Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202073 | Method for manufacturing large-area volume grating via plasma grating direct writing | Heping Zeng, Mengyun Hu | 2025-01-21 |
| 11964340 | Device for fabricating quartz microfluidic chip by femtosecond pulse cluster | Heping Zeng, Mengyun Hu | 2024-04-23 |
| 11899229 | Method and apparatus for preparing femtosecond optical filament interference direct writing volume grating/chirped volume grating | Heping Zeng, Mengyun Hu, Ming Yan | 2024-02-13 |
| 11370657 | Method and apparatus for manufacturing microfluidic chip with femtosecond plasma grating | Heping Zeng, Mengyun Hu, Ming Yan | 2022-06-28 |