Assignee
Inventors
- Hisaji Matsui (2 patents)
- Ryoichi Nishida (12 patents)
- Hitoshi Nishino (9 patents)
- Chiharu Yamaguchi (1 patents)
- Haruyuki Nakaoka (4 patents)
- Kazuhiro Takezaki (1 patents)
- Katsuhiro Sasaki (31 patents)
US Patent 6960334 · Granted Nov 1, 2005