Assignee
Inventors
- Hitoshi Hata (36 patents)
- Shigeru Dono (3 patents)
- Yukihiko Kitano (23 patents)
- Masamichi Miyaguchi (13 patents)
- Shinji Tsutsui (15 patents)
- Yuichi Nishibori (7 patents)
- Toshiaki Nanno (1 patents)
US Patent 6491652 · Granted Dec 10, 2002