Assignee
Inventors
- Takuji Kobori (15 patents)
- Motoichi Takahashi (5 patents)
- Tadashi Nasu (2 patents)
- Naoki Niwa (7 patents)
- Narito Kurata (3 patents)
- Junichi Hirai (41 patents)
- Yoshinori Adachi (7 patents)
- Koji Ishii (104 patents)
US Patent 5036633 · Granted Aug 6, 1991