Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612497 | Two-dimensional-code related method, apparatus, and recording medium | Masahiro Iida, Hisashi Shigekusa, Kensaku Harada | 2003-09-02 |
| 6606396 | Method and apparatus for detecting forgery | Toshiharu Ishibashi, Hirotoshi Nakamura | 2003-08-12 |