Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184611 | Data recording apparatus and method, data reproducing apparatus and method, data recording and reproducing apparatus and method, and map image data format | Shiro Miyagi | 2007-02-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184611 | Data recording apparatus and method, data reproducing apparatus and method, data recording and reproducing apparatus and method, and map image data format | Shiro Miyagi | 2007-02-27 |