Assignee
Inventors
- Yoshihiro Omae (11 patents)
- Haruo Watanabe (114 patents)
- Susumu Sonoki (2 patents)
- Yoichi Kanemasa (2 patents)
- Kazuo Sagara (3 patents)
- Takashi Yoshimune (2 patents)
- Tetsuo Yamasaki (13 patents)
US Patent 5253846 · Granted Oct 19, 1993