Assignee
Inventors
- Ryusuke Ito (28 patents)
- Yusuke Hirakawa (56 patents)
- Yoshihiro Asaka (75 patents)
- Takashi Kaga (12 patents)
- Hiroshi Arakawa (181 patents)
- Takahiko Takeda (20 patents)
- Takao Sato (112 patents)
US Patent 9058305 · Granted Jun 16, 2015