Assignee
Inventors
- Seiichi Saito (14 patents)
- Masashi Nagai (9 patents)
- Tomio Morino (5 patents)
- Tsugio Tomiyoshi (4 patents)
- Takaaki Nishikiori (5 patents)
- Atsushi Kuwahara (15 patents)
- Takamichi Sato (3 patents)
- Takashi Harada (292 patents)
US Patent 6384063 · Granted May 7, 2002