Assignee
Inventors
- Yasushi Kawabata (3 patents)
- Kazutoshi Morikawa (8 patents)
- Satoko Nakajima (1 patents)
- Fumiko Shiota (1 patents)
- Akira Kurooka (5 patents)
- Yoshio Yamawaki (2 patents)
- Koji Umeno (7 patents)
- Makoto Kobayashi (548 patents)
US Patent 6537602 · Granted Mar 25, 2003