Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11511558 | Optical element, transfer foil, authentication medium, and method of verifying authentication medium | Keitaro Sugihara, Tomoko Tashiro, Akihito Kagotani | 2022-11-29 |
| 11376887 | Hot-stamping foil, manufacturing method thereof, and print equipped with laminated optical decoration | — | 2022-07-05 |