Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908666 | Content playing system for reliably determining an authentication of a playing terminal | Koichi Chida, Yuhiko Fujiwara | 2011-03-15 |
| 7891017 | Ball catching tool for baseball or softball | Michiharu Tsukamoto, Daisuke Kogawa, Norifumi Ito | 2011-02-22 |
| 7885003 | Optical diffusing sheet, optical deflecting sheet, and transmission type screen | Daijiro Kodama, Tsuyoshi Kashiwagi | 2011-02-08 |
| 7869250 | ROM semiconductor integrated circuit device having a plurality of common source lines | — | 2011-01-11 |