Assignee
Inventors
- Hiroyuki Nagano (53 patents)
- Mitiro Takagi (4 patents)
- Noboru Kubodera (12 patents)
- Isao Matsunaga (19 patents)
- Tamotsu Yamazaki (9 patents)
- Hiroyuki Nabata (9 patents)
- Kazushige Sakai (6 patents)
- Shun-ichi Hata (12 patents)
US Patent 4438115 · Granted Mar 20, 1984