Assignee
Inventors
- Yasushi Kawamura (17 patents)
- Takumi Matsumoto (79 patents)
- Kazuhiro Miyajima (6 patents)
- Tetsuo Nimura (3 patents)
- Kazushige Ohmura (2 patents)
- Noriaki Shinoda (11 patents)
- Keiji Tanaka (139 patents)
- Takeo Yamamoto (51 patents)
US Patent 7897550 · Granted Mar 1, 2011