Assignee
Inventors
- Itsuo Takanashi (121 patents)
- Hideshi Tanaka (36 patents)
- Terumi Ohara (15 patents)
- Kenichi Miyazaki (66 patents)
- Toshinori Takahashi (42 patents)
- Hiroki Kitamura (32 patents)
- Tadao Shinya (11 patents)
- Yutaka Mizoguchi (9 patents)
US Patent 4862255 · Granted Aug 29, 1989