Assignee
Inventors
- Yasuyuki Kojima (29 patents)
- Noboru Akiyama (67 patents)
- Takeshi Onaka (11 patents)
- Tatsumi Yamauchi (73 patents)
- Koichi Taniguchi (80 patents)
- Koichi Tokushige (4 patents)
- Noriyuki Bunkou (3 patents)
- Keiji Sato (116 patents)
US Patent 7523619 · Granted Apr 28, 2009