Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11977938 | Color display, authentication medium, and method of determining authenticity of color display | Akihito Kagotani | 2024-05-07 |
| 11774650 | Display body | Tomoko Tashiro, Toshiki Toda | 2023-10-03 |
| 11555952 | Display and method of producing display | Hanako Yamamoto, Tomoko Tashiro, Kazuhiro Yashiki | 2023-01-17 |
| 11511558 | Optical element, transfer foil, authentication medium, and method of verifying authentication medium | Hanako Yamamoto, Tomoko Tashiro, Akihito Kagotani | 2022-11-29 |
| 11372141 | Display body | Tomoko Tashiro, Toshiki Toda | 2022-06-28 |
| 11300809 | Optical structure as motif | — | 2022-04-12 |
| 11059317 | Display | Tomoko Tashiro, Toshiki Toda | 2021-07-13 |
| 10792947 | Optical structure | Tomoko Tashiro, Toshiki Toda | 2020-10-06 |
| 10471757 | Optical element for forgery proof | Kazuhiro Yashiki, Akira Nagano, Tomoko Tashiro | 2019-11-12 |