Assignee
Inventors
- Masayoshi Usui (121 patents)
- Eiji Watanabe (101 patents)
- Hikari Tsuchiya (9 patents)
- Yoshiyuki Serizawa (13 patents)
- Kazuteru Mizuno (10 patents)
- Koichi Hayashi (107 patents)
- Tetsuo Ogata (15 patents)
US Patent 7721714 · Granted May 25, 2010