Qingfeng Xing has been granted 4 US patents while listed as an inventor at Shenzhen Targetrx. The first was granted in 2021 and the most recent in July 2025. Qingfeng Xing ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Qingfeng Xing in Longbeilingcun, CN.