Assignee
Inventors
- Masahiro Oono (59 patents)
- Hisao Iwanade (20 patents)
- Noboru Saitoh (18 patents)
- Koji Sato (375 patents)
- Sukenori Shiba (15 patents)
- Tatsuya Yoshida (120 patents)
- Nobuyuki Nagai (65 patents)
US Patent 6122112 · Granted Sep 19, 2000