Takaaki Hatauchi received the B.E. degrees in Electronic Engineering from Kinki University, Japan, in 1982. He joined Fuji Electric Co., Ltd. in the same year, and belonged to the electronic developing equipment section. Since 2003, He has been belonging to Fuji Electric Advanced Technology Co. Ltd., and engaging in the development of a wireless system. His research interests include the technology of low power consumption for the sensor network. He is a member of IEICE and IEEJ.