Assignee
Inventors
- Kenji Maeda (180 patents)
- Takashi Takata (20 patents)
- Hiroki Naraoka (4 patents)
- Hajime Homma (21 patents)
- Shigeru Nonoyama (15 patents)
- Yoshiyuki Arai (29 patents)
- Yuichiro Yamada (54 patents)
- Fumito Ito (7 patents)
US Patent 6433285 · Granted Aug 13, 2002