Assignee
Inventors
- Toru Yamamoto (85 patents)
- Daizo Shiga (3 patents)
- Kenichi Chujyo (1 patents)
- Eiji Kikuchi (29 patents)
- Masayuki Enomoto (48 patents)
- Masaaki Syoji (1 patents)
- Kiyohiro Ichinose (11 patents)
- Kyuya Yamazaki (15 patents)
US Patent 5014644 · Granted May 14, 1991