Assignee
Inventors
- Koichi Kajiyama (31 patents)
- Kaoru Saito (13 patents)
- Yasuhiro Nozue (3 patents)
- Noritoshi Ito (7 patents)
- Osamu Wakabayashi (296 patents)
- Junichi Fujimoto (32 patents)
- Masahiko Kowaka (16 patents)
- Yasao Itakura (1 patents)
US Patent 4829536 · Granted May 9, 1989