Assignee
Inventors
- Yasuhiko Hanaoka (11 patents)
- Yoshiaki Ochi (14 patents)
- Yoshiyuki Kitanaka (3 patents)
- Hiroki Ohashi (9 patents)
- Hiroshi Shimada (106 patents)
- Tomonori Mase (4 patents)
- Keiichi Kato (94 patents)
- Youichi Takahashi (15 patents)
US Patent 5513156 · Granted Apr 30, 1996