Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555952 | Display and method of producing display | Keitaro Sugihara, Tomoko Tashiro, Kazuhiro Yashiki | 2023-01-17 |
| 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 |
| 11077693 | Hot-stamping foil and print equipped with laminated optical decoration | — | 2021-08-03 |