Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Guoyan Qiao — 3 Patents

O2O2Micro: 3 patents #50 of 174Top 30%
Overall (All Time): #1,373,603 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12081056 Controller and battery management methods Yingguo Zhang, Fu-Jen Hsieh, Chia-Ming Chang, Chih Chung Chou, Hua-Yi Wang 2024-09-03
11699915 Controller and battery management methods Yingguo Zhang, Fu-Jen Hsieh, Chia-Ming Chang, Chih Chung Chou, Hua-Yi Wang 2023-07-11
11211812 Controller and battery management methods Yingguo Zhang, Fu-Jen Hsieh, Chia-Ming Chang, Chih Chung Chou, Hua-Yi Wang 2021-12-28