Assignee
Inventors
- Kazuhiro Kakuguchi (13 patents)
- Satoshi Seino (10 patents)
- Michio Shimura (8 patents)
- Morihisa Kawahara (14 patents)
- Tetsuya Takei (45 patents)
- Hisashi Hanzawa (12 patents)
- Yutaka Sato (178 patents)
US Patent 6400922 · Granted Jun 4, 2002