Assignee
Inventors
- Yoshinobu Takeyama (29 patents)
- Nobuyuki Yanagawa (56 patents)
- Masanori Saito (75 patents)
- Hideaki Kibune (12 patents)
- Tomoyoshi Takeuchi (12 patents)
- Masatoshi Tanaka (86 patents)
- Norio Kawamoto (3 patents)
US Patent 6256461 · Granted Jul 3, 2001