Assignee
Inventors
- Suguru OZAWA (15 patents)
- Ryoichi Shinjo (12 patents)
- Minoru Harada (53 patents)
- Takayuki Saito (132 patents)
- Kenichi Sasaki (115 patents)
- Keiichi MURAKAWA (1 patents)
- Kazuhide Shimamura (1 patents)
US Patent 6921063 · Granted Jul 26, 2005