Assignee
Inventors
- Takeo Kageyama (17 patents)
- Keishi Takaki (21 patents)
- Naoki Tsukiji (45 patents)
- Norihiro Iwai (34 patents)
- Hitoshzi Shimizu (1 patents)
- Yasumasa Kawakita (20 patents)
- Suguru Imai (6 patents)
US Patent 7881353 · Granted Feb 1, 2011