Assignee
Inventors
- Saichi Matsumoto (10 patents)
- Hirokuni Jyoyama (6 patents)
- Shinji Kakudo (2 patents)
- Kohji Hanasaki (14 patents)
- Kenzo Koizumi (5 patents)
- Tsuneaki Sakata (2 patents)
- Ryuji Suzuki (70 patents)
US Patent 6743923 · Granted Jun 1, 2004