Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10792949 | Information recording medium, label, card and method of authentication | Naoki Minamikawa | 2020-10-06 |
| 10737525 | Watermarked paper | — | 2020-08-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10792949 | Information recording medium, label, card and method of authentication | Naoki Minamikawa | 2020-10-06 |
| 10737525 | Watermarked paper | — | 2020-08-11 |