Assignee
Inventors
- Yoshio Takahashi (69 patents)
- Mitsuo Sudo (7 patents)
- Takamasa Arikawa (3 patents)
- Kenji Nakamura (422 patents)
- Izumi Sato (33 patents)
- Katsuyuki Onogi (5 patents)
- Takao Iura (6 patents)
- Nobuji Ishida (3 patents)
US Patent 5072823 · Granted Dec 17, 1991