Assignee
Inventors
- Tsutomu Jitsuhara (5 patents)
- Miyoshi Yamauchi (7 patents)
- Toyomi Yonemaru (2 patents)
- Hitoshi Ogino (3 patents)
- Akio Ito (116 patents)
- Junichi Somei (16 patents)
- Akira Tokuda (2 patents)
- Youichi Yuuki (2 patents)
US Patent 7880817 · Granted Feb 1, 2011