Assignee
Inventors
- Masato Takai (4 patents)
- Etsuo Nakazato (3 patents)
- Kouichi Takahashi (28 patents)
- Yoichi Matsumoto (25 patents)
- Masahiro Igaki (1 patents)
- Takaharu Kawahara (17 patents)
- Nobutoshi Wada (1 patents)
US Patent 6777505 · Granted Aug 17, 2004