Assignee
Inventors
- Hideo Sado (39 patents)
- Masahide Yatsu (26 patents)
- Katsuki Ueda (10 patents)
- Toshitaka Matsunaga (13 patents)
- Seiji Mizukoshi (15 patents)
- Shouji Nakajima (12 patents)
- Shinichirou Kouhara (10 patents)
US Patent 7477472 · Granted Jan 13, 2009