Assignee
Inventors
- Hajime Matsumoto (79 patents)
- Tetsuya Kajihara (7 patents)
- Yasuhiro Shingai (16 patents)
- Masatoshi Ueoka (31 patents)
- Yukihiro Yoneda (12 patents)
- Masahiro Uemura (24 patents)
- Sei Nakahara (41 patents)
- Fumio Munechika (3 patents)
US Patent 6660881 · Granted Dec 9, 2003