Assignee
Inventors
- Shigeharu Yamamoto (16 patents)
- Sakae Kamiyama (8 patents)
- Toshifumi Takemori (11 patents)
- Yoji Suzuki (27 patents)
- Kazuhiko Mizuno (23 patents)
- Yoko Furuyama (1 patents)
- Hiroshi Yamazaki (401 patents)
US Patent 6627714 · Granted Sep 30, 2003