Assignee
Inventors
- Kazuhiko Take (13 patents)
- Chiyoshi Kasahara (14 patents)
- Shinji Shigenaga (13 patents)
- Hidenori Azami (11 patents)
- Yoshiteru Eikyu (8 patents)
- Kazuo Nakai (5 patents)
- Masataka Morita (8 patents)
US Patent 6787543 · Granted Sep 7, 2004