Assignee
Inventors
- Koji Seio (2 patents)
- Hiroshi Tanaka (40 patents)
- Toshiyuki Kohara (12 patents)
- Kenji Hashimoto (120 patents)
- Masatake Fujimura (3 patents)
- Hideki Horiuchi (10 patents)
- Hiroshi Yasumatsu (3 patents)
- Koreichi Kimura (2 patents)
US Patent 6271225 · Granted Aug 7, 2001