Assignee
Inventors
- Yoshiaki Miyashita (24 patents)
- Takeshi Tabuchi (15 patents)
- Kouichi Yamazaki (21 patents)
- Nobuo Kikuchi (38 patents)
- Kentaro Matsumoto (72 patents)
- Sadao Takahashi (71 patents)
- Tadashi Hayakawa (80 patents)
US Patent 5557373 · Granted Sep 17, 1996