Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746992 | Ultrasonic welding method for lamp holder and light string and light string manufactured by the method | Qingan Wu, Bihai Wang | 2023-09-05 |
| 11735880 | Light bulb holder structure and light bulb having same | Qingan Wu, Bihai Wang | 2023-08-22 |
| 11721943 | Light bulb holder structure and light | Qingan Wu, Zhongyi Lin | 2023-08-08 |
| 11612032 | LED device with lateral light emission | Qingan Wu, Yaying Huang | 2023-03-21 |