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USPTO Patent Rankings Data through Dec 31, 2025
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Guoxing Li — 91 Patents

O2O2Micro: 75 patents #1 of 174Top 1%
UMUnited Microelectronics: 6 patents #927 of 4,560Top 25%
0202Micro: 4 patents #2 of 48Top 5%
0L02Micro International Limited: 4 patents #5 of 69Top 8%
PSPenn State: 1 patents #667 of 1,788Top 40%
Sunnyvale, CA: #112 of 14,302 inventorsTop 1%
California: #2,717 of 386,348 inventorsTop 1%
Overall (All Time): #17,516 of 4,157,543Top 1%
91 Patents All Time
Guoxing Li has been granted 91 US patents while listed as an inventor at O2Micro. The first was granted in 2002 and the most recent in May 2025. Guoxing Li ranks #17,516 of 4,157,543 US inventors in our database (top 0.42%). Patent records list Guoxing Li in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–25 of 91 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12292480 Controller and method for detecting battery cell voltage Yan Li, Hui Liu 2025-05-06
12132208 Porous metal-ion affinity material Donghai Wang 2024-10-29 $836,000
12061237 Detecting whether a battery management system is abnormal Xiaojun Zeng, Yingguo Zhang 2024-08-13
12055591 Battery management controllers capable of determining estimate of state of charge Chih Chung Chou, Hua-Yi Wang, Fu-Jen Hsieh, Lian Chen 2024-08-06
11955821 Managing power in a portable device comprising multiple batteries — 2024-04-09
11768245 Predicting a potential fault in a battery — 2023-09-26
11677260 Managing power in a portable device comprising multiple batteries — 2023-06-13
11360150 Fault detection for battery management systems — 2022-06-14
11362522 Systems and methods for managing a battery pack — 2022-06-14
11309704 Battery protection systems — 2022-04-19
11303137 Systems and methods for controlling battery current — 2022-04-12
11139662 Balance circuits for battery cells — 2021-10-05
11105858 Predicting a potential fault in a battery — 2021-08-31
11050279 Charge/discharge switch control circuits for batteries — 2021-06-29
11009553 Fault detection for battery management systems — 2021-05-18
10978867 Battery protection systems — 2021-04-13
10886753 Systems and methods for managing a battery pack — 2021-01-05
10714947 Systems and methods for controlling battery current — 2020-07-14
10574068 Charge/discharge switch control circuits for batteries — 2020-02-25
10553915 Systems and methods for configuring parameters for charging a battery pack — 2020-02-04
10541542 System and method for charging a battery pack — 2020-01-21
10348101 Systems and methods for controlling battery current — 2019-07-09
10277052 Controlling power delivery to a battery — 2019-04-30
10216210 Dual input power management method and system Quanwang Liu 2019-02-26
9698611 Systems and methods for compensating current in a battery module Yan Li, Weidong Xue, Anquan Xiao 2017-07-04

Nearby-Ranked Inventors

Xiong Li91
Michael A. Faltys91
Michael A. Dotsey91
Ying Wang91
Hao Lu91
Robert P. Ryan91
Monisha Ghosh91
Masahiro Nakajima91
Chin Ngai Sze91