Assignee
Inventors
- Shinichi Kaji (19 patents)
- Kazuyuki Yano (7 patents)
- Yoshitaka Shibata (17 patents)
- Toshihiro Takahashi (131 patents)
- Kiyomi Takamaru (1 patents)
- Hideyuki Tobita (9 patents)
- Isao Hiyama (10 patents)
US Patent 5150489 · Granted Sep 29, 1992