QY

Qianjun Yan

HC Hangzhou Hangke Optoelectronics Co.: 12 patents #1 of 7Top 15%
Overall (All Time): #397,785 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12326247 Light tubes, light fixtures, and light bodies Zhaozhang Zheng, Jun Li, Hai Wang 2025-06-10
D1036712 Light Zhaozhang Zheng, Lingli Ma 2024-07-23
11898727 Line lamp Zhaozhang Zheng, Lingli Ma 2024-02-13
11662065 Manufacturing method of LED filament and manufacturing method of bulb Yaoxing Wang, Zhaozhang Zheng, Lingli Ma 2023-05-30
11619357 LED filament and bulb Yaoxing Wang, Zhaozhang Zheng, Lingli Ma 2023-04-04
11614221 Lamp Zhaozhang Zheng, Lingli Ma 2023-03-28
11393966 Omnidirectional LED light wire and packaging method thereof, light source and lamp Zhaozhang Zheng, Lingli Ma 2022-07-19
D943786 Light bulb Zhaozhang Zheng, Lingli Ma 2022-02-15
D943787 Light bulb Zhaozhang Zheng, Lingli Ma 2022-02-15
D943788 Light bulb Zhaozhang Zheng, Lingli Ma 2022-02-15
11215326 Filament lamp lighting module and manufacturing method thereof Qili Xu, Zhaozhang Zheng 2022-01-04
11187387 Color-controllable LED luminescent lamp Zhaozhang Zheng, Lingli Ma 2021-11-30