Assignee
Inventors
- Koichi Yoshiki (13 patents)
- Kazuhiko Imamura (27 patents)
- Ryuji Kohno (86 patents)
- Mahito Shikama (23 patents)
- Toshiichi Terakado (1 patents)
- Kenichi Maeda (110 patents)
- Masayuki Wakui (7 patents)
US Patent 6880534 · Granted Apr 19, 2005