Assignee
Inventors
- Kazufumi Yokogawa (10 patents)
- Takahiko Fujisaki (4 patents)
- Miyao Takahashi (5 patents)
- Shigeru Kawabata (6 patents)
- Naoki Harada (72 patents)
- Kingo Akahori (21 patents)
- Yutaka Kayane (39 patents)
- Takashi Omura (95 patents)
US Patent 6136970 · Granted Oct 24, 2000