Dr. Koichi Hayashi


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Dr. Koichi Hayashi is presently a Senior Technical Manager at OYO Corporation and Geometrics, Inc. in San Jose, California. Over the past 26 years, he has worked as a research geophysicist focusing on providing better tools and algorithms for near-surface geophysical methods. He earned a B.S. degree in Earth Sciences from Chiba University in Japan, an M.S. degree in Earth Sciences from the Massachusetts Institute of Technology, and a Ph.D. in Earth Resources Engineering from Kyoto University in Japan. His main research areas are seismic refraction, active and passive surface waves, finite-difference seismic modeling, and traveltime inversion. He is the author of the SeisImager data analysis suite of programs and has incorporated many of his theoretical developments into the software, making SeisImager one of the premier surface wave, refraction, and downhole data processing packages available today. He regularly presents papers at the major meetings, publishes in journals of SEG, SEGJ, EEGS, and SSA, and serves on scientific commissions. In 2014, he was selected as the SEG Near-Surface Honorary Lecturer, with his talk entitled “Integrated Geophysical Methods Applied to Geotechnical and Geohazard Engineering: From Qualitative to Quantitative Analysis and Interpretation”.

10300 Town Park Dr. Ste SE 1000
Houston, TX 77072
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Email: [email protected]

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