Assignee
Inventors
- Yutaka Suwa (17 patents)
- Hiroyuki Ishihara (58 patents)
- Toshihiko Sakata (8 patents)
- Koji Hayashida (4 patents)
- Akira Shibuta (14 patents)
- Norihiro Toyomura (3 patents)
- Kyoichi Obana (2 patents)
US Patent 8447241 · Granted May 21, 2013