Assignee
Inventors
- Tatsuya Konno (13 patents)
- Susumu Takatsuka (67 patents)
- Hideo Tsukazaki (25 patents)
- Takashi Kinouchi (29 patents)
- Kotaro Asaka (13 patents)
- Takashi Kawakami (86 patents)
- Yasuharu Seki (15 patents)
US Patent 8180731 · Granted May 15, 2012