Assignee
Inventors
- Tsukasa Nakai (44 patents)
- Sumio Ashida (31 patents)
- Keiichiro Yusu (34 patents)
- Takayuki Tsukamoto (94 patents)
- Noritake Oomachi (12 patents)
- Naomasa Nakamura (67 patents)
- Katsutaro Ichihara (60 patents)
US Patent 7767285 · Granted Aug 3, 2010