Assignee
Inventors
- Kazuo Ishiwari (18 patents)
- Akira Ohmori (43 patents)
- Nobuyuki Tomihashi (56 patents)
- Sumiko Yuhara (1 patents)
- Toshikuni Kaino (7 patents)
- Kaname Jinguji (10 patents)
- Shigeo Nara (15 patents)
US Patent 4542957 · Granted Sep 24, 1985