Development, manufacture, and sales of bone conduction communication devices, infrared communication devices, wireless communication devices, and related electronic parts and accessories for these products.


Current Partners:

Motorola, Inc., The United States Army, Japan Fire and Disaster Management Agency, Japan Defense Agency, Japan National Police Agency, Japan Metropolitan Police Department, Prefectural Police, Tokyo Communication Equipment Co., Ltd., Japan Radio Co., Ltd., Kanda Tsushin Kogyo Co., Ltd., Hitachi Kokusai Electric Inc., NEC Mobiling Ltd., Nihon Engineering Ltd., NEC Electric Aerospace System Ltd., Fujitsu Ltd., Toshiba Medical Supply Co., Ltd., Iwatani International Corp., Tokyo Electric Power Company, Sanyo Electric Co., Ltd., Sanyo Multimedia Tottori Co., Ltd.