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 4995505 · Granted Feb 26, 1991