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

Xuefa Li — 4 Patents

CECelgard: 4 patents #40 of 126Top 35%
Matthews, NC: #92 of 379 inventorsTop 25%
North Carolina: #12,022 of 45,564 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Xuefa Li has been granted 4 US patents while listed as an inventor at Celgard. The first was granted in 2016 and the most recent in December 2022. Xuefa Li ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Xuefa Li in Matthews, NC, US.

Patents per Year

Patents granted per year, 2016 to 2022Bar chart with a peak of 2 patents in 2016.peak 22016: 2 patents20162020: 1 patents20202022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11532854 Battery separator including microporous polyolefin membrane with ceramic coating Zhengming Zhang, Lie Shi, Premanand Ramadass, Paul M. Halmo, Xiaomin Zhang 2022-12-20
10559802 Separator membranes for lithium ion batteries and related methods Zhengming Zhang, Lie Shi, Premanand Ramadass, Paul M. Halmo, Xiaomin Zhang 2020-02-11
9453805 X-ray sensitive battery separators and related methods C. Glen Wensley, Zhengming Zhang 2016-09-27
9274068 Methods related to X-ray sensitive battery separators C. Glen Wensley, Zhengming Zhang 2016-03-01