Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12112231 | Dynamic two-dimensional code group generation method and system | — | 2024-10-08 |
| 10789439 | Method and device for generating two-dimensional barcode, program, two-dimensional barcode, method and device for reading two-dimensional barcode, and administration system for 2D barcode | — | 2020-09-29 |
| 10108834 | Method and device for generating two-dimensional barcode, program, two-dimensional barcode, and method and device for reading two-dimensional barcode | — | 2018-10-23 |
| 10062023 | Method for concealing hidden-object information, device and program for concealing hidden-object information, method for extracting hidden-object information, and device for extracting hidden-object information | — | 2018-08-28 |
| 9858518 | Method for generating two-dimensional barcode, device for generating two-dimensional barcode, method for reading two-dimensional barcode, device for reading two-dimensional barcode, two-dimensional barcode, and program | — | 2018-01-02 |
| 6616535 | IC card system for a game machine | Shin Iwagami, Futoshi Itoh, Shingo Dote | 2003-09-09 |