Assignee
Inventors
- Koichi Kambe (2 patents)
- Kiyoshi Matsuura (6 patents)
- Tatsuo Seino (1 patents)
- Yoshiyuki Kimura (63 patents)
- Hiroshi Kemmochi (1 patents)
- Koichi Yoshioka (3 patents)
- Hideaki Hohnoki (1 patents)
US Patent 4943418 · Granted Jul 24, 1990