Assignee
Inventors
- Ichiro Urata (3 patents)
- Satoru Yoshii (3 patents)
- Osamu Ishikawa (100 patents)
- Toshikazu Ito (42 patents)
- Kazuya Yamamoto (134 patents)
- Satoshi Yamamoto (310 patents)
- Yoshikazu Endo (3 patents)
US Patent 6088272 · Granted Jul 11, 2000