Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471757 | Optical element for forgery proof | Kazuhiro Yashiki, Akira Nagano, Keitaro Sugihara | 2019-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471757 | Optical element for forgery proof | Kazuhiro Yashiki, Akira Nagano, Keitaro Sugihara | 2019-11-12 |