Assignee
Inventors
- Minoru Usui (145 patents)
- Takahiro Katakura (84 patents)
- Fujio Akahane (105 patents)
- Kazumi Kamoi (13 patents)
- Satoshi Shinada (210 patents)
- Yukihisa Takeuchi (346 patents)
- Nobuo Takahashi (104 patents)
US Patent 6440174 · Granted Aug 27, 2002