Assignee
Inventors
- Masaharu Kamigaki (5 patents)
- Hironobu Oshikata (2 patents)
- Yoshihiro Kawata (15 patents)
- Nobuyasu Shiga (5 patents)
- Hideharu Omori (4 patents)
- Masayuki Kawashima (12 patents)
- Toshimichi Shimatani (5 patents)
US Patent 5025441 · Granted Jun 18, 1991