Assignee
Inventors
- Tomoaki Toriya (6 patents)
- Takashi Tsumanuma (23 patents)
- Kenichi Nakatate (22 patents)
- Takashi Ishii (120 patents)
- Kiyoshi Oka (13 patents)
- Toshio Osaki (1 patents)
- Akiyoshi Hayakawa (3 patents)
US Patent 7582057 · Granted Sep 1, 2009