Assignee
Inventors
- Toshifumi Mikayama (8 patents)
- Takafumi Tomura (3 patents)
- Hiroshi Watarai (10 patents)
- Ryota Kuroki (1 patents)
- Yoichi Kato (124 patents)
- Kimishige Ishizaka (8 patents)
- Tatsumi Nakano (1 patents)
US Patent 5910427 · Granted Jun 8, 1999