Assignee
Inventors
- Naoki KAJI (4 patents)
- Osamu Kurokawa (29 patents)
- Akira Ishikura (21 patents)
- Yoshihiro Nomura (51 patents)
- Masakuni Hyodo (4 patents)
- Ken Nakamura (68 patents)
- Yoshimasa Takahashi (9 patents)
US Patent 6408020 · Granted Jun 18, 2002