Assignee
Inventors
- Toru Hashimoto (106 patents)
- Akira Takahashi (622 patents)
- Mamoru Sugiura (10 patents)
- Hiroshi Takamatsu (36 patents)
- Takeshi Jinbo (4 patents)
- Yasuhiko Saito (13 patents)
- Yoshiaki Kanno (23 patents)
US Patent 4848301 · Granted Jul 18, 1989