Assignee
Inventors
- Masatoshi Baba (23 patents)
- Takuya Kakuta (14 patents)
- Norio Tanaka (108 patents)
- Eiichi Oya (19 patents)
- Takashi Ikai (12 patents)
- Tsutomu Nawamaki (46 patents)
- Shigeomi Watanabe (27 patents)
- Koichi Suzuki (307 patents)
US Patent 5094685 · Granted Mar 10, 1992