Assignee
Inventors
- Tokiyuki Okano (13 patents)
- Kiyoshi Inamoto (11 patents)
- Kazuyuki Ohnishi (40 patents)
- Hidetomo Nishiyama (14 patents)
- Kazunori Sohda (5 patents)
- Masato Tokishige (15 patents)
- Yoichi Shimazawa (28 patents)
US Patent 5070368 · Granted Dec 3, 1991