Assignee
Inventors
- Kazuyoshi Akiyama (40 patents)
- Tatsuyuki Aoike (42 patents)
- Toshiyasu Shirasuna (30 patents)
- Hitoshi Murayama (29 patents)
- Takashi Otsuka (38 patents)
- Daisuke Tazawa (14 patents)
- Kazuto Hosoi (27 patents)
US Patent 6250251 · Granted Jun 26, 2001