Assignee
Inventors
- Yoshihiro Shirota (3 patents)
- Katsuhiko Sekiguchi (11 patents)
- Tetsuya Miyoshi (10 patents)
- Yutaka Fuwa (1 patents)
- Yoshiyuki Shimokawa (22 patents)
- Hideki Sasaki (95 patents)
- Masao Hori (39 patents)
US Patent 6618648 · Granted Sep 9, 2003