Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10656597 | Authenticity determination device and method for security medium including reflective volume hologram, and security medium including reflective volume hologram | Mitsuru Kitamura, Tsuyoshi Yamauchi, Koji Eto, Tomoe Sato | 2020-05-19 |