Assignee
Inventors
- Junichiroh Hirohashi (1 patents)
- Masamitsu Takahashi (53 patents)
- Tadashi Nagai (20 patents)
- Masakazu Noda (4 patents)
- Hiroshi Tanabe (137 patents)
- Yasuhiro Mita (17 patents)
- Humihiko Katoh (1 patents)
US Patent 6287523 · Granted Sep 11, 2001