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 5138386 · Granted Aug 11, 1992