Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399365 | Optical waveguide unit, array, and flat lens | Dongcheng HAN | 2025-08-26 |
| 12230935 | Air ionization display device | Dongcheng HAN | 2025-02-18 |
| 11982838 | Optical lens | Dongcheng HAN | 2024-05-14 |
| 11977245 | Optical waveguide unit, array, and flat lens | Dongcheng HAN | 2024-05-07 |
| 11977242 | Processing technology for single-column and multi-row equivalent negative refractive index plate lens | Dongcheng HAN, Liangliang Zhang | 2024-05-07 |
| 11092888 | Processing method for multi-row, multi-column flat lens with equivalent negative refractive index | Dongcheng HAN, Liangliang Zhang | 2021-08-17 |
| 7590342 | Method and structure for suppressing response time of lens focusing structure | Fu-Yuan Wu | 2009-09-15 |