Assignee
Inventors
- Hiroyuki Tokai (3 patents)
- Kazunobu Fukushima (10 patents)
- Osamu Kawana (5 patents)
- Nobuyuki Suzuki (295 patents)
- Hideaki Kojima (18 patents)
- Tsuyoshi Mitani (7 patents)
- Kouichi Takagi (17 patents)
US Patent 6120975 · Granted Sep 19, 2000