Assignee
Inventors
- Taketomo Mizutani (2 patents)
- Kenhachi Shiraki (5 patents)
- Michihiko Hasegawa (4 patents)
- Yujiro Koumoto (2 patents)
- Yoshihiro Tanimoto (8 patents)
- Masayuki Tanaka (250 patents)
- Toshiya Yabe (5 patents)
US Patent 5138384 · Granted Aug 11, 1992