Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371521 | Photosensitive composition, hologram recording medium using the same, hologram optical element, and method of forming hologram diffraction grating | Hisaya HARA, Takahiro Ohe | 2025-07-29 |
| 12094507 | Hologram recording composition, hologram recording medium, diffraction optical element, and optical device, optical component, and image display device using diffraction optical element | Eri Igarashi, Takahiro Ohe, Hisaya HARA, Daisuke Hobara | 2024-09-17 |
| 11427656 | Photosensitive composition for hologram recording, hologram recording medium, and hologram | Hisaya HARA, Eri Igarashi | 2022-08-30 |