Assignee
Inventors
- Masashi Takahashi (191 patents)
- Keiichi Sasaki (55 patents)
- Nobuo Yamaga (3 patents)
- Norio Ahiko (2 patents)
- Unknown
- Masanobu Ohi (1 patents)
- Yoshio Mochida (6 patents)
- Yuuichi Machijima (1 patents)
- Takehiro Shirai (6 patents)
US Patent 7711217 · Granted May 4, 2010