Assignee
Inventors
- Akinori Fujimura (32 patents)
- Yasushi Sogabe (20 patents)
- Fumio Ishizu (26 patents)
- Tadashi Takagi (27 patents)
- Hiroyuki Nakase (4 patents)
- Kazuo Tsubouchi (46 patents)
- Suguru Kameda (4 patents)
- Shoichi Oshima (7 patents)
US Patent 8311146 · Granted Nov 13, 2012