Assignee
Inventors
- Takayuki Satomi (2 patents)
- Kazushi Ogawa (6 patents)
- Takashi Kawashima (123 patents)
- Hidenori Yoshida (2 patents)
- Yasuo Saito (102 patents)
- Hajime Hirakawa (3 patents)
- Kazuyuki Akimoto (3 patents)
US Patent 6637168 · Granted Oct 28, 2003