Assignee
Inventors
- Yoshiaki Ohta (191 patents)
- Yoshiharu Tajima (109 patents)
- Yoshinori Tanaka (544 patents)
- Yoshihiro Kawasaki (201 patents)
- Kazuhisa Obuchi (159 patents)
- Katsumasa Sugiyama (38 patents)
- Masatsugu Shimizu (20 patents)
US Patent 9118479 · Granted Aug 25, 2015