Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
XM

Xiaofu Ma

Amazon: 1 patents #1,401 of 4,535Top 35%
San Mateo, CA: #351 of 902 inventorsTop 40%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #208,769 of 548,734Top 40%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11070945 Proximity detection using device-to-device communication links Qinghai Gao, Qiang Hu, Avinash Joshi, Piyush Tayal, QingYun Wei 2021-07-20