Assignee
Inventors
- Hiroshi Torimitsu (10 patents)
- Akira Ogawa (105 patents)
- Sukehide Itou (3 patents)
- Naomoto Amano (5 patents)
- Shigekazu Kondou (3 patents)
- Satoru Kobayashi (169 patents)
- Shigeaki Tamaki (4 patents)
- Kouji Sutou (3 patents)
US Patent 6715641 · Granted Apr 6, 2004