Assignee
Inventors
- Minoru Kanda (29 patents)
- Mikio Komatsu (13 patents)
- Yasuhiro Fujii (87 patents)
- Toshio Abiko (15 patents)
- Kyoji Masamoto (4 patents)
- Yasumasa Ogawa (3 patents)
- Tuyoshi Hashimoto (1 patents)
US Patent 4999592 · Granted Mar 12, 1991