Assignee
Inventors
- Hiroshi Nakanishi (68 patents)
- Masaki Ishimori (1 patents)
- Minoru Yaguchi (10 patents)
- Takumi Sugamata (2 patents)
- Tomomi Sugiyama (21 patents)
- Mitsuo Kinoshita (56 patents)
- Shinji Tamaki (70 patents)
US Patent 6642320 · Granted Nov 4, 2003