Assignee
Inventors
- Tetsuo Nakayama (17 patents)
- Takanori Shibasaki (13 patents)
- Nobuo Ozawa (25 patents)
- Eisuke Matsuda (13 patents)
- Takashi Hirano (148 patents)
- Tadashi Ishibashi (51 patents)
- Yoichi Tomo (10 patents)
- Keisuke Matsuo (76 patents)
US Patent 8120021 · Granted Feb 21, 2012