Assignee
Inventors
- Masahiro Aoyagi (19 patents)
- Katsuya Kikuchi (31 patents)
- Hiroshi Nakagawa (193 patents)
- Yoshikuni Okada (7 patents)
- Hiroyuki Fujita (230 patents)
- Shoichi Imai (6 patents)
- Shigeo Kiyota (5 patents)
US Patent 7990165 · Granted Aug 2, 2011