Assignee
Inventors
- Akihiko Shiina (23 patents)
- Masaki Nakaoka (16 patents)
- Yasuaki Tsuji (11 patents)
- Yasuhiro Saitou (10 patents)
- Sunao Tsuchimochi (2 patents)
- Hidetaka Otsuki (4 patents)
- Tomonari Yamakawa (18 patents)
US Patent 8181734 · Granted May 22, 2012