Statistical Analysis, Time Series Analysis, Signal Processing,
Speech Processing

C/C++, Java, C#, Python, PHP, Scheme, MATLAB, LabVIEW

• Independent Component Analysis, technological survey and lecture.
• Bayesian Network, technological survey.
• Change Point Detection of Time Series, technological survey.
• Periodic Impulse Waveform Extraction, technological survey and implementation.
• Text-To-Speech Synthesis Program, porting from Scheme/C++ to lightweight C.
• Tone Representation and Resynthesis System for Speech and Sound, R&D.
• Statistical Analysis and Signal Processing Tools by MATLAB, development.
• Anomaly Detection by Machine Vibration, algorithm R&D.
• Noise Reduction Algorithm by Wavelet Analysis, R&D.
• Optical Diagnostics System for Substrate, algorithm R&D.
• Optimized Numerical Control for Semiconductor Production Device, software R&D.
• Human Multi-Sensor Simultaneous Measurement and Management System, development.
• Zigbee Wireless Sensor Network Monitoring System, development.
• Medical and Aircraft Safety Analysis System, performance tuning research.
• Web Guidance System using Ontology, development.
• 3DCG Displaying System using Natural Language Processing, development.
• Rule-based Social Experiment System, development.
• Intelligent Robots, Five Sense Engineering, Experience Media, technology report.
• Complex Problem Guidance System using Data Mining, R&D
• Network Security Auto Verification System, development.
• Discourse Video and Audio Analysis System, development.
• Recent Statistical Modeling Algorithm Survey, technology report and lecture.

Filtering, Clustering Analysis, Multivariate Analysis,
Frequency Analysis, Numerical Analysis, Simulation,
Information Analysis for Neurophysiology

C, Fortran, LabVIEW, Visual Basic, C#

Doctor of Engineering (University of Tokyo)

Society for Neuroscience member, Zoological Society of Japan member, the Japanese Association for the Study of Taste and Smell (JASTS) member, Japanese Society of Applied Entomology and Zoology (JSAEZ) member

Olfactory Information Processing in Invertebrate CNS. Development of Multi-Function Probe for Intracellular Recording. High Speed Optical Recording of Membrane Potential in Olfactory.

1. Perez Goodwyn P, Katsumata-Wada A, Okada K: Morphology and neurophysiology of tarsal vibration receptors in the water strider Aquarius paludum (Heteroptera: Gerridae), J. Insect Physiol. 55(2009), pp. 855-861
2. Okada K, Sakuma M: An odor stimulator controlling odor-temporal pattern applicable in insect olfaction study Chem. Senses. 34(2009), pp. 425-433
3. Masaki Shuzo, Koutaroh Okada, Ryohei Kanzaki, Isao Shimoyama: Fluorescence Detection System Using a Metal-coated Glass Micropipette, The 20th IEEE International Conference on Micro Electro Mechanical Systems (MEMS '07),(2007,Jan.), pp. 207-210.
4. Masaki Shuzo, Koutaroh Okada, Hidekazu Arai, Ryohei Kanzaki, Isao Shimoyama: High Resolution and S/N Ratio Nano Probing System, The 19th International Conference on Micro Electro Mechanical Systems (MEMS '06), (2006, Jan.), pp. 550-553.
5. Masaki Shuzo, Tomoki Kazawa, Koutaroh Okada, Ryohei Kanzaki, Isao Shimoyama: Intracellular Recording and Calcium Measurement in a Single Neuron of Aplysia Using a Nano-Probe, The 10th International Conference on Miniaturized Systems for Chemistry and Life Sciences (μTAS2006),(2006, Nov.), pp. 1402-1404.
6. Hill ES, Okada K, Kanzaki R: Visualization of modulatory effects of serotonin in the silkmoth antennal lobe. J. Exp. Biol 206(2003), pp. 345-352.
7. Ai H, Okada K, Hill ES, and Kanzaki R: Spatio-temporal activities in the antennal lobe analyzed by an optical recording method in the male silkworm moth Bombyx mori, Neurosci. lett. 258 (1998) , pp. 135-138
8. Okada K, Kanzaki R and Kawachi K: High-speed voltage-sensitive dye imaging of an in vivo insect brain, Neurosci. Lett. 209 (1996), pp. 197-200
9. Okada K, Kanzaki R and Kawachi K: (1995) Optical recording with voltage-sensitive dye in an insect brain. In "Nervous Systems and Behavior" (Eds. Burrows, Matheson, Newland and Schuppe). Proceedings of the 4th International Congress of Neuroethology, Georg Thieme Verlag Stutgart, New York, pp. 390

Numerical Simulation, GUI Design

Visual Basic .NET, C#, Java, C++

Numerical and experimental approach for animal morphogenesis and pattern formation.

self organization, pattern formation, animal morphogenesis, developmental biology, reaction-diffusion system, segmentation clock, computational geometry

Nagoya University
Master of Science (Biology)

1. Horikawa K, Ishimatsu K, Yoshimoto E, Kondo S, Takeda H. Noise-resistant and synchronized oscillation of the segmentation clock. Nature. 2006 Jun 8;441(7094):719-23.
2. Yamaguchi M, Yoshimoto E, Kondo S. Pattern regulation in the stripe of zebrafish suggests an underlying dynamic and autonomous mechanism. Proc Natl Acad Sci U S A. 2007 Mar 20;104(12):4790-3.
3. Eiichi Yoshimoto, Shigeru Kondo Mathematical modeling of animal morphogenesis; pattern formation on the cell-based growing field Society for Mathematical Biology Conference (2008 Toronto)

Behavioral ecology, Simulation

C/C++, Visual Basic, C#, PHP, MySQL, R

Ph. Dr Kyoto Univ.

Applied Entomology and Zoology, Japan Ethological Society

1. Matsueda A., Fujisaki K. Influence of male density on guarding behaviour in the water strider Aquarius paludum (Heteroptera: Gerridae) Eur. J. Entomol. 2011, 108(4): 597-601
2. Matsueda A., Oosaki N. (2001) Operational sex ratio and mating strategy in Gerris insularis. The 45th annual meeting of Applied Entomology and Zoology, Shimane Univ.
3. Matsueda A., Fujisaki K. (2006) Influence of experience of male water strider in guarding behavior. The 50th annual meeting of Applied Entomology and Zoology, Tsukuba Univ.
4. Matsueda A., Fujisaki K. (2007) Intra-guild predation of Aquarius paludum on A. elongatus in nymphal period. The 51st annual meeting of Applied Entomology and Zoology, Hiroshima Univ.
5. Matsueda A., Fujisaki K. (2009) Why water strider males do not dismount voluntarily after copulation? The 53rd annual meeting of Applied Entomology and Zoology, Hokkaido Univ.
6. Matsueda A., Fujisaki K. (2011) Behavoral study in sex ratio recognition of male of water strider. The 55th annual meeting of Applied Entomology and Zoology, Kyushu Univ.
7. Matsueda A., Fujisaki K. (2012) Cue of guarding behavior decision of water strider (Aquarius paludum) males. The 56th annual meeting of Applied Entomology and Zoology, Kinki Univ.
8. Nakajima Y., Matsueda A., (2011) Fujisaki K. Predation pressure producing intraspecific variation in egg mass size and its working mechanism. The 27th annual meeting of The Society of Population Ecology, Okayama Univ.

Time Series Analysis, Signal Processing, Time-Frequency Analysis,
Data Analysis and Image Processing for Neuroscience Research

C#, MATLAB, LabVIEW

Ph.D. (neuroscience field) at Osaka University

The Japan Neuroscience Society

• Information processing in the mammalian neocortex.
• Development of software systems for recording electrical signals of single neurons.
• Construction of two-photon microscope system in combination with the electrophysiological recording system.

1. Valery Grinevich, Alexander Kolleker, Marina Eliava, Naoki Takada, Hiroshi Takuma, Yugo Fukazawa, Ryuichi Shigemoto, Dietmar Kuhl, Jack Waters, Peter H. Seeburg, Pavel Osten (2009) Fluorescent Arc/Arg3.1 indicator mice: a versatile tool to study brain activity changes in vitro and in vivo. Journal of Neuroscience Methods 184:25-36.
2. Ming Ren, Yumiko Yoshimura, Naoki Takada, Shoko Horibe, Yukio Komatsu (2007) Specialized inhibitory synaptic actions between nearby neocortical pyramidal neurons. Science 316(5825):758-61.
3. Naoki Takada, Yuchio Yanagawa, Yukio Komatsu (2005) Activity-dependent maturation of excitatory synaptic connections in solitary neuron cultures of mouse neocortex. European Journal of Neuroscience 21:422-430.
4. Naoki Takada (2001) Effects of chronic exposure of brain-derived neurotrophic factor on synaptic responses of solitary neurons cultured from rat visual cortex. Osaka University Medical Journal 52:293-299.
5. Nobuaki Taniguchi, Naoki Takada, Eiji Kumura, Fumitaka Kimura, Tadaharu Tsumoto (2000) Actions of BDNF on evoked and spontaneous EPSCs dissociate with maturation of neurones cultured from rat visual cortex. Journal of Physiology 527:579-592.

Computational physics, Combinatorial optimization

C/C++, C#, Fortran, Octave

Kyoto University, Graduate School of Energy Science, Master

• Research of surface plasmon polariton on semiconductor with ultrafast pulse high intensity laser
• Fabrication of nanoporous iron catalysis

• Derivation of the analytic solution for inverse kinematics calculation of a redundant robotic arm, development
• Solver for the vehicle routing problem by meta-heuristic methods, development
• A robot simulator with physics engine, development
• A diamond sensory evaluation program using optical data, development

Molecular Simulation, Time Series Analysis,
Multivariate Analysis, Mathematical Programming

Python, Fortran, C/C++, MATLAB, Swift

Ph. D. (science), Nagoya University

• Investigation of photoisomerized reaction dynamics on photo-induced proteins
• Development of a novel drug discovery software
• Investigated ligand-protein interactions by binding free energy calculation
• Developed a CURP program that calculate and analyze the flow of physical properties in proteins
• Atomic stress tensor investigation in proteins
• Applied the energy flow analysis method to the G-protein coupled receptors

1. Takakazu Ishikura, Yuki Iwata, Tatsuro Hatano, Takahisa Yamato, Energy exchange network of inter-residue interactions within a thermally fluctuating protein molecule: A computational study, Journal of Computational Chemistry, (2015) 36, 1709-1718
2. Kazuhiro Takemura, Raghunadha Reddy Burri, Takeshi Ishikawa, Takakazu Ishikura, Shun Sakuraba, Nobuyuki Matubayasi, Kazuo Kuwata and Akio Kitao, Free-energy analysis of lysozyme?triNAG binding modes with all-atom molecular dynamics simulation combined with the solution theory in the energy representation, Chemical Physics Letters (2013), 559, 94-98
3. Takakazu Ishikura, Tatsurou Hatano, and Takahisa Yamato, Computational analysis of inter-residue energy conductivity and intramolecular communication chart of β2 adrenergic receptor, Nagoya Symposium ? Frontiers in Structural Physiology On the Occasion of the Inauguration of the Cellular and Structural Physiology Institute and the NEDO Project at Nagoya University, Nagoya University, Japan, Jan. 22-24, 2013
4. Takakazu Ishikura, Tatsuro Hatano and Takahisa Yamato, Atomic stress tensor analysis of proteins, Chemical Physics Letters (2012), 539-540, 144-150
5. Takeshi Ishikawa, Takakazu Ishikura, and Kazuo Kuwata, A Fragment Molecular Orbital Program "PAICS" and A Drug Discovery Software "NAGARA", Molecular Science (2011), 5, NP0015
6. Takeshi Ishikawa, Takakazu Ishikura and Kazuo Kuwata, Theoretical study of the prion protein based on the fragment molecular orbital method, Journal of Computational Chemistry (2009), 30, 2594-2601
7. Hiroshi C. Watanabe, Takakazu Ishikura, Takahisa Yamato, Theoretical modeling of the O-intermediate structure of bacteriorhodopsin, PROTEINS: Structure, Function and Bioinformatics (2008), 75, 53-61
8. Takahisa Yamato, Takakazu Ishikura, Toshiaki Kakitani, Kazutomo Kawaguchi, Hiroshi Watanabe, Spectral tuning of photoactive yellow protein, Photochemistry and Photobiology (2007), 83, 323-327
9. Takakazu Ishikura, Takahisa Yamato, Energy transfer pathways relevant for long-range intramolecular signaling of photosensory protein revealed by microscopic energy conductivity analysis, Chemical Physics Letters (2006), 432, 533-537
10. Atsushi Yamada, Takakazu Ishikura, Takahisa Yamato, Direct measure of functional importance visualized atom-by-atom for photoactive yellow protein: Application to photoisomerization reaction, PROTEINS: Structure, Function and Bioinformatics (2004), 55, 1070-1077
11. Atsushi Yamada, Takakazu Ishikura, Takahisa Yamato, Role of protein in the primary step of the photoreaction of yellow protein, PROTEINS: Structure, Function and Bioinformatics (2004), 55, 1063-1069

Machine Learning, Statistical Analysis,
Natural Language Processing,
Topic Model, Text Mining, Structural Equation Modeling,
Covariance Structure Analysis, Marketing Research,
Portfolio Optimization,
High Frequency Trade Data Analysis, Risk Measurement,
Maximum Loss Analysis, Econometrics,
Causal Inference, Pricing Strategies, Operations Research,
Combinatorial Optimization, Descrete Event Simulation,
Spatial Data Analysis, Sensor Data Analysis, Anomaly Detection

C/C++, C#, Python, R

Doctor of Commerce (Osaka City University)

• Extracting nonlinear correlation structure from large scale timeseries
• Estimating and visualizing latent variables in spatial data
• Adaptive Kernel Density Estimation
• Customer Clustring using Latent Dirichllet Allocation

1. Inoue A., Knot selection in logspline density estimation for relative density estimation., Business Review 65(2), 2014.
2. Inoue A., The Development and Application of Accuracy Improvement Methods for Pointwise Mutual Information Estimation., PhD Thesis (Osaka City University), 2015.
3. Inoue A., Spatial data mining via non-parametric relative risk estimation., OCU-GSB Working Paper, 2015.
4. Inoue A., Density estimation based on pointwise mutual information., Economics Bulletin, 36(2), 2016.

Evolutionary Biology, Plant Systematics, Bioinformatics

Java, C++, Python

Master of Science (Kyoto University)

• Systematic studies of monocotyledonous plants
• Phylogenetic analyses based on NGS (next generation sequencer) data
• Divergence time estimates (molecular dating) using comprehensive fossil data and DNA sequences

1. S. Eguchi and M. N. Tamura. 2016. Evolutionary timescale of monocots determined by the fossilized birth-death model using a large number of fossil records. Evolution 70(5): 1136-1144.

Molecular Biology, Protein Engineering, Kinetic Analysis

C#, C++, Java, Python

Ph.D. (Agricultural Sciences, Kyoto University)

• Kinetic studies on thermal denaturation processes of proteins using least squares method.
• Study of interaction between enzyme and inhibitor via kinetic analysis of pre-steady-state in their binding process.
• X-ray crystallographic analysis to determine three-dimensional structure of proteins.
• Design of peptides to disperse carbon nanotubes into aqueous media using molecular mechanics calculation.
• Development of a method to deliver drugs into cells using carbon nanotubes as carrier.

The Japan Society for Bioscience, Biotechnology, and Agrochemistry, The Japanese Biochemical Society

1. Ohta T., Hashida Y., Higuchi Y., Yamashita F., and Hashida M. (2017) In Vitro Cellular Gene Delivery Employing a Novel Composite Material of Single-Walled Carbon Nanotubes Associated With Designed Peptides With Pegylation. J. Pharm. Sci. 106, 792-802.
2. Ohta T., Hashida Y., Yamashita F., and Hashida M. (2016) Sustained Release of Mitomycin C from Its Conjugate with Single-Walled Carbon Nanotubes Associated by Pegylated Peptide. Biol. Pharm. Bull. 39, 1687-1693.
3. Ohta T., Hashida Y., Yamashita F., and Hashida M. (2016) Development of Novel Drug and Gene Delivery Carriers Composed of Single-Walled Carbon Nanotubes and Designed Peptides With PEGylation. J. Pharm. Sci. 105, 2815-2824.
4. Kusudo T., Hashida Y., Ando F., Shimokata H., and Yamashita H. (2015) Asp3Gly polymorphism affects fatty acid-binding protein 3 intracellular stability and subcellular localization. FEBS Lett. 589, 2382-2387.
5. Zhou S., Hashida Y., Kawakami S., Mihara J., Umeyama T., Imahori H., Murakami T., Yamashita F., and Hashida M. (2014) Preparation of immunostimulatory single-walled carbon nanotube/CpG DNA complexes and evaluation of their potential in cancer immunotherapy. Int. J. Pharm. 471, 214-223.
6. Hashida Y., Tanaka H., Zhou S., Kawakami S., Yamashita F., Murakami T., Umeyama T., Imahori H., and Hashida M. (2014) Photothermal ablation of tumor cells using a single-walled carbon nanotube-peptide composite. J. Control. Release. 173, 59-66.
7. Menach E., Hashida Y., Yasukawa K., and Inouye K. (2013) Effects of conversion of the zinc-binding motif sequence of thermolysin, HEXXH, to that of dipeptidyl peptidase III, HEXXXH, on the activity and stability of thermolysin. Biosci. Biotechnol. Biochem. 77, 1901-1906.
8. Hashida Y, Umeyama T, Mihara J, Imahori H, Tsujimoto M, Isoda S, Takano M, and Hashida M. (2012) Development of a novel composite material with carbon nanotubes assisted by self-assembled peptides designed in conjunction with β-sheet formation. J. Pharm. Sci. 101, 3398-3412.
9. Sekiguchi S., Hashida Y., Yasukawa K., and Inouye K. (2012) Stabilization of bovine intestine alkaline phosphatase by sugars. Biosci. Biotechnol. Biochem. 76, 95-100.
10. Sekiguchi S., Hashida Y., Yasukawa K., and Inouye K. (2011) Effects of amines and aminoalcohols on bovine intestine alkaline phosphatase activity. Enzyme Microb. Technol. 49, 171-176.
11. Inouye K., Kusano M., Hashida Y., Minoda M, and Yasukawa K. (2007) Engineering, expression, purification, and production of recombinant thermolysin. Biotechnol. Annu. Rev. 13, 43-64.
12. Tatsumi C., Hashida Y., Yasukawa K., and Inouye K. (2007) Effects of site-directed mutagenesis of the surface residues Gln128 and Gln225 of thermolysin on its catalytic activity. J. Biochem. 141, 835-842.
13. Hashida Y. and Inouye K. (2007) Kinetic analysis of the activation-and-inhibition dual effects of cobalt ion on thermolysin activity. J. Biochem. 141, 843-853.
14. Hashida Y. and Inouye K. (2007) Molecular mechanism of the inhibitory effect of cobalt ion on thermolysin activity and the suppressive effect of calcium ion on the cobalt ion-dependent inactivation of thermolysin. J. Biochem. 141, 879-888.
15. Kusano M., Yasukawa K., Hashida Y., and Inouye K. (2006) Engineering of the pH-dependence of thermolysin activity as examined by site-directed mutagenesis of Asn112 located at the active site of thermolysin. J. Biochem. 139, 1017-1023.
16. Inouye K., Minoda M., Takita T., Sakurama H., Hashida Y., Kusano M., and Yasukawa K. (2006) Extracellular production of recombinant thermolysin expressed in Escherichia coli, and its purification and enzymatic characterization. Protein Expr. Purif. 46, 248-255.

Quantum theory and quantum mechanics, quantum information, dynamics simulation

C/C++, C#, CUDA, OpenCL, Python, Fortran, Octave/MATLAB, QISKIT, D-Wave Ocean, PHP

Doctor in Engineering, Nagoya University

• Braiding dynamics simulation of non-Abelian quasi-particles (Majorana fermions)
• Theoretical proposal for quantum correlation mechanism
• Analysis of social culture variation with a culture diffusion model
• Automated crane control analysis
• Improvement and implementation of algorithm for tomography using quantum beams
• Implementation and performance enhancement of algorithm for X-ray diffraction analysis
• Theoretical analysis of quantum electrodynamic systems
• SciGen.Report development

1. Cassio Sozinho Amorim, Kazuto Ebihara, Ai Yamakage, Yukio Tanaka, and Masatoshi Sato. Majorana braiding dynamics in nanowires. Physical Review B, 91(17):174305, 2015.
2. Cassio Sozinho Amorim. Indistinguishability as nonlocality constraint. Scientific Reports, 8: 6091, 2018.
3. Cassio Sozinho Amorim. Bourdieu dynamics of fields from a modified Axelrod model. arXiv:1407.3479 (pre-print)
4. Cassio Sozinho Amorim, Kazuto Ebihara, Ai Yamakage, Yukio Tanaka, Masatoshi Sato. Numberical braiding of Majorana fermions on finite size nanowires. CIFAR Quantum Materials 2014. Montreal (Canada), May 2014.
5. Cassio Sozinho Amorim, Ai Yamakage, Yukio Tanaka, Masatoshi Sato. Non-Abelian Dynamics in 1D systems. International Conference on Topological Quantum Phenomena 2014. Kyoto, December 2014.
6. Cassio Sozinho Amorim, Ai Yamakage, Yukio Tanaka, Masatoshi Sato. Majorana fermion braiding dynamics in 1D systems. Topological Phases in Condensed Matter and Cold Atomic Systems. Hong Kong, December 2015.
7. Cassio Sozinho Amorim. Indistinguishability as non-locality constraint. International Conference for Young Quantum Information Scientists 2016. Barcelona (Spain), October 2016.
8. Cassio Sozinho Amorim. Indistinguishability as non-locality constraint. American Physical Society March Meeting 2017. New Orleans (USA), March, 2017.
9. Cassio Sozinho Amorim. Indistinguishability as non-locality constraint. Trends in theory of correlated materials. Tsukuba, September, 2017.
10. Cassio Sozinho Amorim. Indistinguishability and nonlocality. American Physical Society March Meeting 2018. Los Angeles(USA), March 2018.

Aeronomy, simulations of fluid, elastic body and cold plasma, frequency spectrum analysis

Fortran、Python、Java、MPI、MacOS/Linux/Windows

Ph. D. (science), Kyoto University

Society of Geomagnetism and Earth, Planetary and Space Sciences, Japan Geoscience Union

• Ionospheric and thermospheric responses to solar flares
• Thermospheric density anomalies in response to polar ionospheric convection
• Ionospheric and thermospheric disturbances due to acoustic and gravity waves generated by an earthquake and tsunami
• Excitation of microbaroms and microseisms by ocean surface waves
• Ionospheric disturbances due to acoustic and gravity waves generated by rockets

1. Matsumura, M., K. Shiokawa, Y. Otsuka, H. Shinagawa, H. Jin, Y. Miyoshi, H. Fujiwara, C. Tao, T. Tsugawa, A. Shinbori, K. Watanabe, S. Nishimoto, K. S. Lee, "GAIA simulations of the ionospheric response to X-class solar flares on September 6, 2017: the effect of background electron and neutral densities", The 3dr PSTEP International Symposium, May 2018.
2. Lin, C. H., M. H. Shen, M. Y. Chou, C. H. Chen, J. Yue, P. C. Chen, and M. Matsumura, "Concentric traveling ionospheric disturbances triggered by the launch of a SpaceX Falcon 9 rocket", Geophys. Res. Lett., 44, 7578-7586, doi:10.1002/2017GL074192, 2017.
3. Lin, C. H., C. H. Chen, M. Matsumura, J. T. Lin, Y. Kakinami, "Observation and simulation of the ionospheric waves triggered by rocket exhausts", J. Geophys. Res. Space Physics, 122, 8868-8882, doi:10.1002/2017JA023951, 2017.
4. Matsumura, M., K. Shiokawa, H. Shinagawa, Y. Otsuka, H. Jin, Y. Miyoshi, and H. Fujiwara, "GAIA simulations of electric potential variations in the equatorial ionosphere after an intense solar flare", Japan Geoscience Union Meeting 2017, May 2017.
5. Matsumura, M., M. Kanao, "Numerical modeling of microbarometric and microseismic oscillations due to ocean surface waves", Japan Geoscience Union Meeting 2016, May 2016.
6. Lin, C. H., J. T. Lin, C. H. Chen, J. Y. Liu, Y. Y. Sun, Y. Kakinami, M. Matsumura, W. H. Chen, H. Liu, and R. J. Rau, "Ionospheric shock waves triggered by rockets", Ann. Geophys., 32, 1145-1152, doi:10.5194/angeo-32-1145-2014, 2014.
7. Matsumura, M., S. Taguchi, "Horizontal ion drag effect on the thermospheric mass density anomaly in the cusp", Asia Oceania Geosciences Society 11th Annual Meeting, July 2014.
8. Shinagawa. H., T. Tsugawa, M. Matsumura, T. Iyemori, A. Saito, T. Maruyama, H. Jin, M. Nishioka, and Y. Otsuka, "Two-dimensional simulation of ionospheric variations in the vicinity of the epicenter of the Tohoku-oki earthquake on 11 March 2011", Geophys. Res. Lett., 40(19), 5009-5013, doi:10.1002/2013GL057627, 2013.
9. Iyemori, T., Y. Tanaka, Y. Odagi, Y. Sano, M. Takeda, M. Nose, M. Utsugi, D. Rosales, E. Choque, J. Ishitsuka, S. Yamanaka, K. Nakanishi, M. Matsumura, and H. Shinagawa, "Barometric and magnetic observations of vertical acoustic resonance and resultant generation of field-aligned current associated with earthquakes", Earth Planets Space, 65(8), 901-909, doi:10.5047/eps.2013.02.002, 2013.
10. Matsumura, M., T. Tsugawa, H. Shinagawa, A. Saito, Y. Otsuka, T. Iyemori, "Ionospheric disturbances induced by tsunami and tsunami source", Asia Oceania Geosciences Society 10th Anniversary Meeting, June 2013.
11. Matsumura, M., H. Shinagawa, T. Iyemori, "Horizontal extension of acoustic resonance between the ground and the lower thermosphere", J. Atmos. Sol.-Terr. Phys., 75-76, 127-132, 2012.
12. Matsumura, M., A. Saito, T. Iyemori, H. Shinagawa, T. Tsugawa, Y. Otsuka, M. Nishioka, C. H. Chen, "Numerical simulations of atmospheric waves excited by the 2011 off the Pacific coast of Tohoku Earthquake", Earth Planets Space, 63, 885-889, 2011.
13. Saito, A., T. Tsugawa, Y. Otsuka, M. Nishioka, T. Iyemori, M. Matsumura, S. Saito, C. H. Chen, Y. Goi, and N. Chuusakul, "Acoustic resonance and plasma depletion detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku Earthquake", Earth Planets Space, 63, 863-867, 2011.
14. Chen, C. H., A. Saito, C. H. Lin, J. Y. Liu, H. F. Tsai, T. Tsugawa, Y. Otsuka, M. Nishioka, and M. Matsumura, "Long-distance propagation of ionospheric disturbance generated by the 2011 Tohoku earthquake" , Earth Planets Space, 63, 881-884, 2011.

Stream ecology, Theoretical ecology, Bayesian statistics, Generalized linear model

Fortran, Java, C++

Master of Agricultural Science (Kyoto University)

1. Yokota, K., Takemon, Y. and Fujihara, M. (2019) Spatial distribution of spawning redds and larvae of Rhinogobius flumineus in relation to hydrogeomorphological characteristics in Kamo River, Japan. Paddy and Water Environment. https://doi.org/10.1007/s10333-019-00743-0
2. Yokota, K. and Fujihara, M. (2017) Numerical investigation of effects of species specific characteristics on community dynamics affected by stream drying in rivers with pool as refugia. Journal of Rainwater Catchment Systems, 23(1), 19--26.

Data Analysis and Simulation for Food Quality

C#, VB.NET

Ph. D. (Agricultural Sciences, Kyoto University)

The Japanese Society for Food Science and Technology, The Japan Society for Food Engineering

Food Engineering, Food Science, Dispersion Science, Oil Chemistry, Emulsion, Oil Crystallization

• The Japan Society for Food Engineering Awards. Encouragement Award (2021)
• 11th Journal of Oleo Science Best Author Award (2020)
• 2018 year Japan Society for Food Engineering Essay Award (2018) (R. Chantanuson et al., (2018). Japan Journal of Food Engineering, 19, 191-196)

• New preparation technique and evaluation for emulsion stabilization (Chapter 7: Preparation and stabilization of emulsions in food, Section 4: Stability of O/W emulsion considered from crystallization of vegetable oil) in Japanese

1. Y. Miyagawa (2021). Crystallization kinetics of low-melting point vegetable oils. Japan Journal of Food Engineering, 22, 22, 67-75.
2. Y. Miyagawa, S. Adachi (2017). Dispersion and oxidative stability of O/W emulsions and oxidation of microencapsulated oil. Biosci. Biotechnol. Biochem., 81, 625-633.

1. Y. Miyagawa, H. Fujita, S. Adachi (2021). Kinetic analysis of thermal degradation of betanin at various pH values using deconvolution method. Food Chem. 130165.
2. T. Roppongi, Y. Miyagawa, H. Fujita, S. Adachi (2021). Effect of oil-droplet diameter on lipid oxidation in O/W emulsions. J. Oleo Sci., 70, 1225-1230.
3. K. Shintani, Y. Miyagawa, S. Adachi (2021). Maltose formation during isothermal rest of wheat dough. Food Biosci., 101116.
4. J. A. Fermin Jimenez, Y. Miyagawa, H. Yoshii, S. Adachi (2021). Interdependent oxidation of eicosapentaenoic acid and docosahexaenoic acid in Isada krill oil encapsulated with maltodextrin by spray-drying. J. Oleo Sci., 70, 633-635.
5. K. Shintani, Y. Miyagawa, S. Adachi (2021). Maltose formation from wheat flour with different degree of damaged starch. Food Sci. Technol. Res., 27, 567-572.
6. S. Adachi, Y. Miyagawa, H. D. Ariyanto, T. Kobayashi, H. Yoshii (2021). Water sorption kinetics of starch noodles with different cross-sectional shapes. Starch, 3, 2000235.
7. T. Roppongi, N. Mizuno, Y. Miyagawa, S. Adachi (2021). Solubility and mass transfer coefficient of oxygen through gas- and water- lipid interfaces. J. Oleo Sci., 86, 867-873.
8. H. Nagamizu, Y. Miyagawa, T. Ogawa, S. Adachi (2021). Phase behavior of a binary mixture of rapeseed and soybean oils. Food Sci. Technol. Res., 27, 43-48.
9. S. Adachi, Y. Miyagawa, T. Kobayashi (2020). Production of tagatose from galactose in a batch-type reactor using a phosphate buffer under subcritical water condition. Food Sci. Technol. Res., 26, 695-699.
10. H. Nagamizu, Y. Miyagawa, T. Ogawa, S. Adachi (2020). Phase behavior of binary mixture of tripalmitin, triolein, and trilinolein. Food Sci. Technol. Res., 26, 589-595.
11. S. Adachi, Y. Miyagawa (2020). Discoloration kinetics of carthamus red in aqueous ethanol. Jpn. J. Food Eng., 21, 141-145.
12. Y. Miyagawa, M. Yoshida, S. Adachi (2020). Crystallisation kinetics of rice bran and soybean oils during storage at low temperature. Food Bioprod. Process., 120, 123-130.
13. Y. Miyagawa, S. Adachi (2020). Analysis of nonisothermal crystallization of rapeseed oil by deconvolution of differential scanning calorimetry curve. J. Oleo Sci. 68, 1215-1222.
14. Y. Miyagawa, H. Fujita, S. Adachi (2020). Oil-water separation of mayonnaises and semisolid dressings by freezing and thawing. Food Sci. Technol. Res., 26, 111-118.
15. Y. Miyagawa, K. Kikuchi, M. Tsuchiya, S. Adachi (2019). A statistical model for activation of Factor C by binding to LPS aggregates. Eur. Biophys. J., 48, 743-747.
16. S. Adachi, J. A. Fermin Jimenez, H. D. Ariyanto, Y. Miyagawa, H. Yoshii (2019). Preparation of powdered seasoning with shrimp-like flavor from the aqueous residue of Isada krill by subcritical water treatment and spray-drying. Jpn. J. Food Eng., 20, 137-141.
17. S. Adachi, Y. Miyagawa, H. Yoshii (2019). Preparation of seasoning with shrimp-like flavor from the aqueous residue of Isada krill under subcritical water conditions technical paper. Jpn. J. Food Eng., 20, 123-128.
18. S. Adachi, Y. Miyagawa, H. Yoshii (2019). Concentration of aqueous residue from Isada krill using freezing-thawing technique. Jpn. J. Food Eng., 20, 115-119.
19. Y. Chizawa, Y. Miyagawa, M. Yoshida, S. Adachi (2019). Effect of crystallization of oil phase on the destabilization of O/W emulsions containing vegetable oils with low melting points. Colloids Surf. A Physicochem. Eng. Asp., 582, 123824.
20. Y. Miyagawa, K. Nakagawa, H. Fujita, S. Adachi (2019). Effects of sodium chloride and acetic acid concentrations on dispersion stability of mayonnaise. J. Oleo Sci., 68, 1027-1032.
21. M. Yoshida, Y. Miyagawa, H. Fujita, S. Adachi (2019). Crystallization kinetics of safflower and olive oils during low-temperature storage. Grasas Aceites, 70, e331.
22. Y. Miyagawa, M. Yoshida, Y. Chizawa, S. Adachi (2019). Induction periods for lipid crystallization of various vegetable oils. J. Oleo Sci., 68, 45-52.
23. R. Chantanuson, J. L. Zhu, Y. Miyagawa, H. Yoshii, H. Shiga, S. Adachi (2018). A method for estimating grass transition temperature of powders by discoloration of betanin under temperature-programmed heating conditions. Jpn. J. Food Eng., 19, 191-196.
24. Y. Miyagawa, T. Ogawa, S. Adachi (2018). An accelerated method for estimating the dispersion stability of mayonnaise by oil-water separation under reduced pressure. J. Am. Oil Chem. Soc., 95, 1367-1372.
25. Y. Miyagawa, M. Yoshida, K. Nakagawa, S. Adachi (2018), Kinetic analysis of rapeseed oil crystallization during isothermal storage. Cryst. Growth Des. 18, 642-650.
26. Y. Miyagawa, K. Kikuchi, S. Yamamoto, H. Shiga, H. Yoshii, S. Adachi (2017). A statistical model for estimating the effects of oil droplet size and oil fraction in microcapsules on oxidation of oil. Eur. J. Lipid Sci. Technol., 119, 1700225.
27. K. Katsuki, Y. Miyagawa, K. Nakagawa, S. Adachi (2017). Liquid-solid phase equilibria and the frozen ratio of ternary aqueous solution of acetic acid and sodium chloride. Int. J. Food Prop. 20, 1848-1855.
28. K. Katsuki, Y. Miyagawa, K. Nakagawa, S. Adachi (2017). Dispersion stability of O/W emulsion with different oil contents under various freezing and thawing conditions. J. Oleo Sci., 82, 1569-1573.
29. Y. Miyagawa, K. Shintani, K. Katsuki, K. Nakagawa S. Adachi (2017). Thermal and structural changes of rapeseed oil during isothermal storage at low temperature. Food Struct., 11, 8-15.
30. Y. Miyagawa, K. Kikuchi, H. Shiga, S. Adachi (2016). Effect of polydispersity in oil-droplet size on lipid oxidation in oil-in-water emulsion. Jpn. J. Food Eng., 17, 91-94.
31. Y. Miyagawa, T. Ogawa, K. Nakagawa, S. Adachi (2016). Destabilization of mayonnaise induced by lipid crystallization upon freezing. Biosci. Biotechnol. Biochem., 80, 786-790.
32. Y. Miyagawa, T. Ogawa, K. Nakagawa, S. Adachi (2015). Effects of vegetable oil type and lipophilic emulsifiers on the induction period of fat crystallization. J. Oleo Sci., 64, 1169-1174.
33. Y. Miyagawa, M. Yoshino, T. Kobayashi, S. Adachi (2015). Kinetic analysis for the conversion of fructose to 5-hydroxymethylfurfural in [BMIM]Cl with lower water contents. J. Appl. Glycosci., 62, 143-147.
34. K. Katsuki, Y. Miyagawa, R. Matsuno, S. Adachi 2015 Evolution of the size distribution of oil-droplet over time in oil-in-water emulsions. Jpn. J. Food Eng., 16, 231-234.
35. Y. Miyagawa, K. Katsuki, R. Matsuno, S. Adachi (2015). Effect of oil-droplet size on activation energy for coalescence of oil droplets in an O/W emulsion. Biosci. Biotechnol. Biochem., 79, 1695-1697.
36. M. Yoshino, Y. Miyagawa, T. Kobayashi, S. Adachi (2015). Production of 5-hydroxymethylfurfural in a eutectic mixture of citric acid and choline chloride and its extractive recovery. Sep. Purif. Technol., 155, 26-31.
37. Y. Miyagawa, M. Shima, R. Matsuno, S. Adachi (2015). Energy efficiency of different emulsification methods: A comparative evaluation. Jpn. J. Food Eng., 16, 71-74.

Computational mechanics, Computational electromagnetics, Structual optimization

Fortran, C#, OpenMP, MPI

Doctor of Informatics, Kyoto University.

1. S. Lim, R. Misawa, K. Furuta, S. Maruyama, K. Izui and S. Nishiwaki, Weight reduction design of multi-material vehicle components using level set-based topology optimization, Structural and Multidisciplinary Optimization, 65(3), 2022.
2. R. Misawa, Y. Takahashi, Z. Ma and M. Ohira, A parametric shape optimization using the Nyström-boundary integral equation method for complex eigenvalues of electromagnetic scattering problems in 2D, Transactions of JASCOME, 21, pp. 71--79, 2021. (in Japanese)
3. R. Misawa, On the calculation of complex eigenvalues of transmission problems for the 2D Helmholtz equation for concave scatterer using boundary integral equation method, Transactions of JASCOME, 20, pp.119-125, 2020. (in Japanese)
4. R. Misawa and N. Nishimura, A boundary integral equation suitable for the Nyström method having the same complex eigenvalues as the Burton-Miller formulation for the Helmholtz equation in 2D, Transactions of JACOME, 19, pp.61-66 2019. (in Japanese)
5. M. Fukuhara, R. Misawa, K. Niino and N. Nishimura, Stability of boundary element methods for the two dimensional wave equation in time domain revisited, Engineering Analysis with Boundary Elements, 108, pp.321-338 2019.
6. R. Misawa, K. Niino and N. Nishimura, Boundary integral equations for calculating complex eigenvalues of transmission problems, SIAM Journal on Applied Mathematics, 77(2), pp.770-788, 2017.
7. R. Misawa and N. Nishimura, A study on the single boundary integral equation method for transmission problems for Helmholtz' equation in 2D based on the distribution of fictitious complex eigenvalues , Transactions of JASCOME, 16, pp.73-78, 2016. (in Japanese)
8. R. Misawa, K. Niino and N. Nishimura, An FMM for waveguide problems of 2-D Helmholtz' equation and its application to eigenvalue problems, Wave Motion, 63, pp.1-17, 2016.
9. R. Misawa, N. Nishimura and M. S. Tong, Preconditioning of Periodic Fast Multipole Method for Solving Volume Integral Equations, IEEE Transactions on Antennas and Propagation, 62(9), pp.4799-4804, 2014.
10. R. Misawa and N. Nishimura, Boundary integral formulations for one-periodic transmission problems for Helmholtz' equation in 2-D, Transactions of JASCOME, 12, pp.109-114, 2012. (in Japanese)

• New trends in computational electromagnetics (Role: Contributor: Chapter 12: Kazuki Niino, Ryota Misawa, Naoshi Nishimura, "New trends in periodic problems and determining related eigenvalues") 2019 (ISBN: 9781785615481)

• S. Nishiwaki, R. Misawa, S. Lim, S. Maruyama, T. Yamada and K. Izui, High Performance and Light Weight of Automotive Body Structures based on Topology Optimization, Journal of Society of Automotive Engineers of Japan, 72(11), pp. 80--86, 2018. (in Japanese)

Image analysis, machine learning, behavioral experiments, statistical analysis

C#, Python, R

Kyoto University Graduate School of Agriculture, Postdoctoral Program Research advisor approved withdrawal

Behavioral ecology, insect ecology, self-organization, sociality

1. Otake R. & Dobata S. (2018) Copy if dissatisfied, innovate if not: contrasting egg-laying decision making in an insect. Animal Cognition DOI:10.1007/s10071-018-1212-0

1. Otake R., Matsuura K. Termites in maze: emergence of the correct route through excitatory transmission among individuals (poster) SWARM2019, OIST November 2019 (Best Poster Award)
2. Otake R., Dobata S. Copy or innovate: contrasting responses to chemical social information in bean beetles (oral) A joint meeting of the 56th Annual Conference of the Animal Behavior Society and the 36th International Ethological Conference, University of Illinois at Chicago July 2019
3. Otake R., Matsuura K. Termite maze runner: transmission of excitement leads individuals to the correct route (poster) The 41th Annual Conference of the Japanese Sciety for Comparative Physiology and Biochemistry, Tokyo November 2019 (Best Poster Award)
4. Otake R., Matsuura K. Maze solving termites: excitatory transmission among individuals elucidate the correct route (poster) The 35th Conference of the Society of Population Ecology, Kyoto September 2019 (Best Poster Award)
5. Otake R., Dobata S. Copy or innovate: chemical recognition underlies contrasting responses to conspecific cues in bean beetles The 66th Conference of the Ecological Society of Japan, Kobe March 2019 (Award for Excellence in Oral Presentation in English)