Assignee
Inventors
- Toshihiko Saitou (7 patents)
- Takashi Yamashita (151 patents)
- Kenichi Ishii (77 patents)
- Masanobu Ogawa (20 patents)
- Shinya Shibata (7 patents)
- Kenji Oda (35 patents)
- Masaharu Kume (13 patents)
US Patent 5083134 · Granted Jan 21, 1992