Assignee
Inventors
- Masashi Sugihara (4 patents)
- Masayuki Fukai (31 patents)
- Akio Ito (116 patents)
- Katsuhito Shimizu (15 patents)
- Satoshi Kusaka (20 patents)
- Shigeaki Namba (13 patents)
- Toru Kimura (90 patents)
US Patent 6947813 · Granted Sep 20, 2005