Assignee
Inventors
- Masamitsu Yanagihara (24 patents)
- Susumu Mori (49 patents)
- Tsuyoshi Naraki (13 patents)
- Masami Seki (9 patents)
- Seiji Miyazaki (29 patents)
- Tsuyoshi Narabe (7 patents)
- Hiroshi Chiba (85 patents)
US Patent 5625436 · Granted Apr 29, 1997