Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204453 | Diffractive optical element and method of manufacturing the same | — | 2021-12-21 |
| 10545269 | Diffractive optical element and method of manufacturing the same | — | 2020-01-28 |
| 9696469 | Multilayer diffractive optical element | Hideo Genda | 2017-07-04 |
| 9557454 | Laminated diffraction optical element and production method therefor | — | 2017-01-31 |