Assignee
Inventors
- Hidekazu Nakamoto (15 patents)
- Chikao Oda (13 patents)
- Norio Nakazato (24 patents)
- Morihisa Maruko (5 patents)
- Kazuo Ihara (3 patents)
- Takatoshi Kinoshita (18 patents)
- Tokinobu Furukawa (7 patents)
- Kenichi Watanabe (336 patents)
US Patent 5683178 · Granted Nov 4, 1997