Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Caixia Qi — 4 Patents in 2021

Huawei: 4 patents #408 of 3,447Top 15%
Shanghai, CN: #181 of 3,739 inventorsTop 5%
Overall (2021): #52,922 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11108734 Error indication processing and system, and device Yu Yin 2021-08-31
11026130 Method, apparatus, and system for handover to circuit switched domain Hai Liu, Xiaobo Wu 2021-06-01
10979285 Service transmission method, device, and system Yu Yin 2021-04-13
10897699 Subscription update method, device, and system Zaifeng Zong, Fenqin Zhu 2021-01-19