Assignee
Inventors
- Toru Ozaki (64 patents)
- Kenji Shibayama (11 patents)
- Kazuaki Bito (38 patents)
- Takeshi Yamaji (15 patents)
- Hidehito Sogi (9 patents)
- Takashi Sasaki (583 patents)
- Yoshinori Mihara (5 patents)
US Patent 6676147 · Granted Jan 13, 2004