Assignee
Inventors
- Tatsuo Kobayashi (55 patents)
- Souichi Matushita (2 patents)
- Toshimi Kashiwagura (22 patents)
- Shizuo Abe (21 patents)
- Fumiaki Hattori (14 patents)
- Taketoshi Fujikawa (2 patents)
- Yoshihiro Nomura (51 patents)
US Patent 6263855 · Granted Jul 24, 2001