Assignee
Inventors
- Kan Ogata (6 patents)
- Akira Yamada (290 patents)
- Kimishiro Tokuda (16 patents)
- Toshimitsu Ichinose (15 patents)
- Hiroshi Kikuchi (274 patents)
- Yasuo Souda (1 patents)
- Satoshi Uchida (95 patents)
- Syozo Kaneko (1 patents)
US Patent 6123540 · Granted Sep 26, 2000