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USPTO Patent Rankings Data through Dec 31, 2025
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Hsun-Cheng Su — 5 Patents

CICirc: 4 patents #1 of 12Top 9%
TBTyton Biosciences: 1 patents #6 of 14Top 45%
Chapel Hill, NC: #570 of 1,999 inventorsTop 30%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Hsun-Cheng Su has been granted 5 US patents while listed as an inventor at Circ. The first was granted in 2019 and the most recent in June 2025. Hsun-Cheng Su ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Hsun-Cheng Su in Chapel Hill, NC, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12331157 Method of forming a polyester from a regenerated diacid formed from depolymerization of a waste material Julie A. Willoughby, Gheorghe Florin Barla, Timothy Ethan Atwood, Allan S. Myerson 2025-06-17
12006403 Methods for recycling cotton and polyester fibers from waste textiles Florin G. Barla, Todd Showalter, Jeremy Jones, Iulian Bobe 2024-06-11
11370895 Methods for recycling cotton and polyester fibers from waste textiles Florin G. Barla, Todd Showalter, Jeremy Jones, Iulian Bobe 2022-06-28
11180629 Methods for recycling cotton and polyester fibers from waste textiles Florin G. Barla, Todd Showalter, Jeremy Jones, Iulian Bobe 2021-11-23
10501599 Methods for recycling cotton and polyester fibers from waste textiles Florin G. Barla, Todd Showalter, Jeremy Jones, Iulian Bobe 2019-12-10

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