QH

Qiao Han

BC Beijing Dajia Internet Information Technology Co.: 1 patents #105 of 292Top 40%
Overall (All Time): #2,602,084 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
D996401 Microphone Runqiang Han, Chen Zhang, Xinliang Lv, Xiguang Zheng, Qiong Yan 2023-08-22