received the Ph.D. degree from Tokyo Institute of Technology in 2008. He then joined KDDI Corporation and engaged in research on mobile communication systems, antennas, and radio propagations at KDDI R&D Laboratories. From 2013 to 2015, he was engaged in research on spectrum management at the Advanced Telecommunications Research Institute International (ATR). Since 2015, he has been engaged in research on wireless communication systems including 5G and 6G at KDDI Research, Inc. He is currently an Expert in the Wireless Technology Division at KDDI Research, Inc. He has also been contributing as a subleader of 6G wireless technology project in XGMF.