Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11511558 | Optical element, transfer foil, authentication medium, and method of verifying authentication medium | Hanako Yamamoto, Keitaro Sugihara, Tomoko Tashiro | 2022-11-29 |
| 11373344 | Optical film | Toshiki Toda | 2022-06-28 |
| 11356649 | Integrated three dimensional display and method of recording identification information | Kozue Umeda, Soko KODA | 2022-06-07 |
| 11247505 | Optical structure and authentication body | Kazuhiro Yashiki | 2022-02-15 |