QY

Qianjun Yan

HC Hangzhou Hangke Optoelectronics Co.: 1 patents #1 of 3Top 35%
Overall (2021): #297,290 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11187387 Color-controllable LED luminescent lamp Zhaozhang Zheng, Lingli Ma 2021-11-30