Assignee
Inventors
- Junpei Kusukawa (23 patents)
- Ryozo Takeuchi (24 patents)
- Toshiaki Ishii (76 patents)
- Hiromichi Suzuki (86 patents)
- Fujio Ito (39 patents)
- Takafumi Nishita (27 patents)
- Akihiko Kameoka (17 patents)
- Masaru Yamada (23 patents)
US Patent 6791182 · Granted Sep 14, 2004