Assignee
Inventors
- Minoru Yoshinaka (16 patents)
- Eizo Asakura (8 patents)
- Mitsumasa Oku (13 patents)
- Motoi Kitano (13 patents)
- Yoshio Nakatani (7 patents)
- Hideyuki Yoshida (36 patents)
- Toshiya Hatta (3 patents)
- Seiichi Nakatani (194 patents)
US Patent 5183594 · Granted Feb 2, 1993