Assignee
Inventors
- Takeyoshi Nishio (42 patents)
- Takao Nomura (58 patents)
- Nobuya Kawamura (10 patents)
- Hiroki Sato (254 patents)
- Akihiko Uchikawa (3 patents)
- Ikuo Tsutsumi (4 patents)
- Yukitaka Goto (5 patents)
US Patent 5374677 · Granted Dec 20, 1994