Assignee
Inventors
- Takahide Nishi (19 patents)
- Koki Ishibashi (6 patents)
- Katsuyoshi Nakajima (16 patents)
- Tetsuya Fukazawa (4 patents)
- Hitoshi Kurata (8 patents)
- Takeshi Yamaguchi (13 patents)
- Kazuhiro Ito (52 patents)
US Patent 6448247 · Granted Sep 10, 2002