Assignee
Inventors
- Yoshihisa Miura (21 patents)
- Yuichi Aki (19 patents)
- Hiroshi Kawase (17 patents)
- Masanobu Yamamoto (132 patents)
- Naoki Date (7 patents)
- Setsuo Norioka (12 patents)
- Mitsuru Koizumi (9 patents)
- Gakuo Komatsubara (2 patents)
US Patent 6737660 · Granted May 18, 2004