Assignee
Inventors
- Masateru Fukuoka (6 patents)
- Yasuhiko Oyama (3 patents)
- Munehiro Hatai (4 patents)
- Satoshi Hayashi (73 patents)
- Shigeru Danjo (5 patents)
- Masahiko Kitamura (12 patents)
- Koichi Yajima (23 patents)
US Patent 6939741 · Granted Sep 6, 2005