Assignee
Inventors
- Susumu Umemoto (24 patents)
- Tetsuo Yamaguchi (94 patents)
- Hidetoshi Hana (12 patents)
- Isamu Kawai (3 patents)
- Takashi YASUMI (2 patents)
- Yoshifumi Horiuchi (16 patents)
- Tetsu Fukui (13 patents)
US Patent 6851328 · Granted Feb 8, 2005