Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703798 | Light modulation element and information recording medium | Tsuyoshi Yamauchi, Mitsuru Kitamura | 2023-07-18 |
| 11597230 | Volume hologram sheet to be embedded, forgery prevention paper, and card | Minoru Azakami | 2023-03-07 |
| 11077698 | Volume hologram sheet to be embedded, forgery prevention paper, and card | Minoru Azakami | 2021-08-03 |
| 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 |
| 10359735 | Display article | Tomoe Sato, Mitsuru Kitamura, Koji Eto, Tsuyoshi Yamauchi | 2019-07-23 |
| 9709952 | Photosensitive composition for volume hologram recording, photosensitive substrate for volume hologram recording, and volume hologram recorded medium | Minoru Azakami, Koji Eto, Eriko Hamade, Keisuke Miura | 2017-07-18 |
| 9213311 | Volume hologram transfer foil | Dai Tsukada, Koji Eto, Minoru Azakami, Takaki Miyachi, Shinya Sato | 2015-12-15 |