Assignee
Inventors
- Toru Ugajin (4 patents)
- Michihito Igaki (6 patents)
- Kazutaka Yamashita (15 patents)
- Katsutoshi Hara (4 patents)
- Yoshinao Nagashima (6 patents)
- Shuji Ishikawa (14 patents)
- Ichiro Sakamoto (31 patents)
US Patent 8357189 · Granted Jan 22, 2013