Assignee
Inventors
- Yoshinobu Komatsu (11 patents)
- Hitoshi Ishida (6 patents)
- Kouji Inoue (31 patents)
- Hiroshi Igarashi (170 patents)
- Masami Kondou (1 patents)
- Madoka Minagawa (15 patents)
- Tetsu Sato (9 patents)
- Hiroshi Ogawa (431 patents)
US Patent 6683117 · Granted Jan 27, 2004