Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305575 | Counterfeit-preventive optical element and information medium | — | 2022-04-19 |
| 11247505 | Optical structure and authentication body | Akihito Kagotani | 2022-02-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305575 | Counterfeit-preventive optical element and information medium | — | 2022-04-19 |
| 11247505 | Optical structure and authentication body | Akihito Kagotani | 2022-02-15 |