Assignee
Inventors
- Osamu Watanabe (275 patents)
- Masaaki Tsuchimori (4 patents)
- Yoshimasa Kawata (3 patents)
- Chikara Egami (1 patents)
- Okihiro Sugihara (1 patents)
- Naomichi Okamoto (4 patents)
- Osamu Nakamura (365 patents)
US Patent 6413680 · Granted Jul 2, 2002