Assignee
Inventors
- Keiichi Ito (71 patents)
- Atsuhisa Kageyama (47 patents)
- Nobutaka Okada (3 patents)
- Katsuya Ishikawa (31 patents)
- Hidetoshi Suzuki (897 patents)
- Hisao Kunitani (7 patents)
- Yuki Kakuya (3 patents)
US Patent 6633343 · Granted Oct 14, 2003