Assignee
Inventors
- Masaru Takeuchi (94 patents)
- Kazuyuki Gotoh (4 patents)
- Kenichiro Wakisaka (12 patents)
- Kazuhiko Honma (2 patents)
- Takeo Fukatsu (15 patents)
- Shoichi Nakano (22 patents)
- Yukinori Kuwano (29 patents)
US Patent 4885226 · Granted Dec 5, 1989