Assignee
Inventors
- Tetsuya Morita (77 patents)
- Kunio Tsuruno (23 patents)
- Keizo Isemura (42 patents)
- Ikuo Takeuchi (17 patents)
- Ichiro Sasaki (89 patents)
- Masahiro Kurahashi (18 patents)
- Atsushi Nakagawa (103 patents)
- Kenji Fukushi (30 patents)
US Patent 6804474 · Granted Oct 12, 2004