Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WF

Weifeng Fang — 6 Patents

CECelgard: 5 patents #36 of 126Top 30%
MCMicrovast Power Systems Co.: 1 patents #29 of 68Top 45%
Charlotte, NC: #734 of 4,868 inventorsTop 20%
North Carolina: #8,673 of 45,564 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Weifeng Fang has been granted 6 US patents while listed as an inventor at Celgard. The first was granted in 2020 and the most recent in September 2025. Weifeng Fang ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Weifeng Fang in Charlotte, NC, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12427543 Membranes, separators, batteries, and methods Lie Shi, C. Glen Wensley, Zhengming Zhang, Katharine Chemelewski, Junqing Ma +7 more 2025-09-30
12278348 System and method for differentiating shorting in a battery Zhengming Zhang 2025-04-15
11094995 Membranes, separators, batteries, and methods Lie Shi, C. Glen Wensley, Zhengming Zhang, Katharine Chemelewski, Junqing Ma +7 more 2021-08-17
10921380 Method for measuring the internal resistance of batteries Xuezhong Dong, Qiru Li, Po Gao, Wenjuan Liu Mattis 2021-02-16
10921385 System and method for differentiating shorting in a battery Zhengming Zhang 2021-02-16
10656195 System and method for differentiating shorting in a battery Zhengming Zhang 2020-05-19