Assignee
Inventors
- Tsunekazu Arai (36 patents)
- Katsuhiko Sakaguchi (24 patents)
- Shigeki Mori (133 patents)
- Kazuhiro Matsubayashi (53 patents)
- Takashi Harada (292 patents)
- Eiji Takasu (24 patents)
- Hiroto Yoshii (55 patents)
US Patent 6697524 · Granted Feb 24, 2004