Assignee
Inventors
- Keiji Umeda (5 patents)
- Yositaka Nadachi (2 patents)
- Hiromu Shishido (2 patents)
- Ryo Maruyama (27 patents)
- Yukio Ogasawara (7 patents)
- Takumi Yamamoto (24 patents)
- Seiichiro Isobe (5 patents)
US Patent 8257771 · Granted Sep 4, 2012