Assignee
Inventors
- Masanaga Tokuyo (13 patents)
- Itaru Nakagawa (12 patents)
- Satoru Chikuma (11 patents)
- Nobutsugu Fujino (25 patents)
- Tetsuya Taniguchi (27 patents)
- Unknown
- Michiyasu Chikada (3 patents)
- Daisuke Kuwata (1 patents)
US Patent 6829238 · Granted Dec 7, 2004