Assignee
Inventors
- Kiyoshi Furukawa (15 patents)
- Yoichi Yamazaki (20 patents)
- Fumio Endo (21 patents)
- Akira Hayama (23 patents)
- Toshiyuki Kimura (65 patents)
- Junichi Nishida (26 patents)
- Hitoshi Sato (179 patents)
- Kenji Kaneko (78 patents)
US Patent 6388960 · Granted May 14, 2002