Assignee
Inventors
- Shirow Shimizu (1 patents)
- Shuichi Takahashi (5 patents)
- Kazuo Kato (161 patents)
- Koichi Takeuchi (57 patents)
- Kozo Iwasaki (4 patents)
- Motofumi Kurahashi (4 patents)
- Tetsuo Ichimaru (2 patents)
US Patent 4529530 · Granted Jul 16, 1985