Assignee
Inventors
- Akira Kawai (43 patents)
- Koji Katayama (116 patents)
- Toru Futami (31 patents)
- Shinichi Matsumoto (118 patents)
- Tomohiro Ohkawa (5 patents)
- Tomoyuki Oikawa (8 patents)
- Katsuyuki Hara (4 patents)
US Patent 7338641 · Granted Mar 4, 2008