Assignee
Inventors
- Takashi Hoshi (18 patents)
- Yoichi Sakai (7 patents)
- Masaaki Tanabe (20 patents)
- Tatsuo Inoue (58 patents)
- Takeshi Kamakura (1 patents)
- Teruaki Iijima (1 patents)
- Hiroshi Nishinaga (1 patents)
- Tetsuro Yamashita (2 patents)
US Patent 4953199 · Granted Aug 28, 1990