Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231147 | Light bulb apparatus having a twisted LED filament for improved luminous efficiency and light distribution | Liangliang Cao, Yuxin Huang | 2022-01-25 |
| 11217568 | LED filament assembly and lamp including the same | Yanbiao Chen, Qiyuan Wang, Huiwu Chen, Hongkui Jiang, Liangliang Cao | 2022-01-04 |