Assignee
Inventors
- Kenji Watari (14 patents)
- Satoshi Takeda (76 patents)
- Masumi Kobayashi (12 patents)
- Makoto Uchida (113 patents)
- Masamoto Uenishi (8 patents)
- Noriaki Fukushima (5 patents)
- Seiji Hayashi (58 patents)
US Patent 6447679 · Granted Sep 10, 2002