Assignee
Inventors
- Tohru Mizutani (7 patents)
- Hiromi Nanba (9 patents)
- Atsushi Matsuda (57 patents)
- Atsushi Hitaka (2 patents)
- Masashi Okubo (11 patents)
- Yoshinori Yoshikawa (4 patents)
- Kenichi Minobe (4 patents)
US Patent 6819273 · Granted Nov 16, 2004