Issued Patents 2025
Showing 1–2 of 2 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 |
Showing 1–2 of 2 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 |