Assignee
Inventors
- Nobuhiko Nishimura (22 patents)
- Keiichi Iwamoto (12 patents)
- Masafumi Yamauchi (7 patents)
- Takumi Tokiyoshi (6 patents)
- Takao Hashimoto (52 patents)
- Masaaki Fujita (31 patents)
- Toshihiko Imamoto (5 patents)
US Patent 6789428 · Granted Sep 14, 2004