Assignee
Inventors
- Shinji Saito (279 patents)
- Genichi Hatakoshi (55 patents)
- Masaaki Onomura (44 patents)
- Hidetoshi Fujimoto (85 patents)
- Norio Iizuka (9 patents)
- Chiharu Nozaki (4 patents)
- Johji Nishio (78 patents)
- Masayuki Ishikawa (194 patents)
US Patent 6121634 · Granted Sep 19, 2000