Assignee
Inventors
- Michihiro Konishi (7 patents)
- Tsuyoshi Uchihara (1 patents)
- Kazuharu Shibata (1 patents)
- Sonomasa Kobayashi (39 patents)
- Kaigo Tanaka (29 patents)
- Kiyoshi Hamada (16 patents)
- Hiroshi Yokozawa (8 patents)
US Patent 6775133 · Granted Aug 10, 2004