Assignee
Inventors
- Toyonori Kanetaka (5 patents)
- Toshihiro Yoshizawa (7 patents)
- Akira Fujimori (37 patents)
- Hideaki Nakayama (22 patents)
- Hiromasa Yamamoto (42 patents)
- Mikio Taoka (10 patents)
- Kenichi Yamada (135 patents)
US Patent 6867133 · Granted Mar 15, 2005