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 | Hanako Yamamoto, Keitaro Sugihara, Akihito Kagotani | 2022-11-29 |
| 11372141 | Display body | Keitaro Sugihara, Toshiki Toda | 2022-06-28 |