Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416749 | Diffractive optical element and method for fabricating the diffractive optical element | Chih-Sheng Chang, Meng-Ko Tsai | 2025-09-16 |
| 11782195 | Diffractive optical element and method for fabricating the diffractive optical element | Chih-Sheng Chang, Meng-Ko Tsai | 2023-10-10 |