Assignee
Inventors
- Shotaro Kawakami (36 patents)
- Takashi Matsumoto (441 patents)
- Tetsuo Kusumoto (29 patents)
- Yoshitaka Saito (20 patents)
- Yutaka Nagashima (17 patents)
- Makoto Negishi (30 patents)
- Masayuki Iwakubo (9 patents)
US Patent 7670504 · Granted Mar 2, 2010