Assignee
Inventors
- Shun-ichi Ishikawa (31 patents)
- Seiiti Kubodera (36 patents)
- Akira Fukano (16 patents)
- Keishi Kato (16 patents)
- Isao Taniguchi (10 patents)
- Yoshiharu Okino (29 patents)
- Nagao Ogiwara (13 patents)
US Patent 6183933 · Granted Feb 6, 2001