Assignee
Inventors
- Nobuo Kobayashi (119 patents)
- Shigeo Aiba (3 patents)
- Shigetoshi Miyoshi (5 patents)
- Takahiro Iwase (11 patents)
- Tsutomu Sugiura (2 patents)
- Takeshi Onogi (2 patents)
- Taisuke Nakamura (14 patents)
US Patent 4785685 · Granted Nov 22, 1988