Assignee
Inventors
- Nobuhiko Nakai (3 patents)
- Mitsuaki Hirata (49 patents)
- Mitsuhiro Shigeta (36 patents)
- Naoshi Yamada (40 patents)
- Toshihide Tsubata (131 patents)
- Shigeaki Mizushima (48 patents)
- Yoshiki Takata (81 patents)
US Patent 8009248 · Granted Aug 30, 2011