Assignee
Inventors
- Mitsuo Nanba (9 patents)
- Tohru Nakamura (171 patents)
- Kazuo Nakazato (41 patents)
- Takeo Shiba (68 patents)
- Katsuyoshi Washio (47 patents)
- Kiyoji Ikeda (5 patents)
- Takahiro Onai (21 patents)
- Masatada Horiuchi (28 patents)
US Patent 5109263 · Granted Apr 28, 1992