Assignee
Inventors
- Isao Yamazaki (61 patents)
- Hiroshi Ohki (63 patents)
- Masaetsu Matsumoto (3 patents)
- Ryo Miyake (34 patents)
- Ryohei Yabe (13 patents)
- Hideyuki Horiuchi (20 patents)
- Shinichi Sakuraba (7 patents)
US Patent 5880835 · Granted Mar 9, 1999