Assignee
Inventors
- Hitoshi Yoshikawa (30 patents)
- Shoji Arimura (3 patents)
- Kunio Ito (54 patents)
- Sumio Oinuma (6 patents)
- Akihiko Kaji (6 patents)
- Kenichi Ohkuwa (4 patents)
- Kazuhiro Takeda (93 patents)
- Satoshi Suzuki (578 patents)
US Patent 6146320 · Granted Nov 14, 2000