Assignee
Inventors
- Noriyuki Honma (8 patents)
- Tohru Nakamura (171 patents)
- Kazuo Nakazato (41 patents)
- Motoaki Matsumoto (5 patents)
- Tetsuya Hayashida (32 patents)
- Masaharu Kubo (50 patents)
- Kazuhiko Sagara (17 patents)
US Patent 4956688 · Granted Sep 11, 1990