Assignee
Inventors
- Tatsuo Yamazaki (16 patents)
- Junji Niikura (32 patents)
- Nobuhiro Hase (16 patents)
- Kazuhito Hatoh (81 patents)
- Hisaaki Gyoten (47 patents)
- Hideo Ohara (78 patents)
- Teruhisa Kanbara (48 patents)
- Masao Yamamoto (117 patents)
US Patent 6921598 · Granted Jul 26, 2005