Professor Emeritus of Tokyo Institute of Technology (Tokyo Tech) and founder and CEO of Tech Idea Co., Ltd., recipient of the 2022 IEEE Donald O. Pederson Award. Received B.S., M.S., and Ph. D. degrees in electronics engineering from Tohoku University, Sendai, Japan, in 1976, 1978, and 1997 respectively. In 1978, he joined Matsushita Electric Industrial Co., Ltd (Panasonic). Since then, he has been working on research and development of analog and Mixed Signal LSI technologies; ultra-high speed ADCs, intelligent CMOS sensors, RF CMOS circuits, and digital read-channel technologies for DVD systems. From 1997 to 2003, he was a general manager in advanced LSI technology development center. On April 2003, he joined Tokyo Institute of Technology and has been a full professor on physical electronics. He has been researching in mixed signal technologies; RF CMOS circuit design for SDR, millimeter-wave CMOS transceivers, and advanced data converters. He retired from Tokyo Institute of Technology on March 2018 and becomes an honorary professor. Now he is a president of Tech Idea Co., Ltd., founded by himself. He served the guest editor in chief for special issue on analog LSI technology of IEICE transactions on electronics in 1992, 1997, and 2003, the Vice-Program Chairman for International Conference on Solid State Devices and Materials (SSDM) in 1999 and 2000, the guest editor for special issues of IEEE Transactions on Electron Devices, the committee member for analog technology in ISSCC, the educational session chair of A-SSCC, the executive committee member of VLSI symposia, the IEEE SSCS elected Adcom, the IEEE SSCS Distinguished lecturer, the chapter chair of IEEE SSCS Japan Chapter, and the vice president of Japan Institution of Electronics Packaging. He received the IR100 award in 1983, the R&D100 award and the remarkable invention award in 1994, the ISSCC evening panel award in 2003, 2005, 2015, the MEXT science and technology award in 2017, and the IEICE great achievement award in 2019. He is an IEEE Fellow since 2002, and an IEICE Fellow since 2010. Recently received the IEEE Donald O. Pederson Award 2022.