Assignee
Inventors
- Masato MITANI (8 patents)
- Kazuto Nakajima (5 patents)
- Hiroyuki Kotani (18 patents)
- Nobutaka Hokazono (9 patents)
- Hiroyuki Naka (30 patents)
- Akira Yamaguchi (262 patents)
- Junji Ikeda (34 patents)
- Nobuyuki Aoki (29 patents)
US Patent 6214409 · Granted Apr 10, 2001