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USPTO Patent Rankings Data through Dec 31, 2025
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Errun Ding — 2 Patents in 2022

Chevron: 2 patents #51 of 350Top 15%
Mason, OH: #55 of 222 inventorsTop 25%
Ohio: #1,050 of 7,190 inventorsTop 15%
Overall (2022): #162,045 of 548,613Top 30%
2 Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11339279 Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications Chung Ching Tso, Max P. McDaniel, Ashish M. Sukhadia, Youlu Yu, Randall S. Muninger +2 more 2022-05-24
11325995 Metallocene catalysts for polyethylene Qing Yang, Carlton E. Ash, Randall S. Muninger, Jim B. Askew, Zhou Chen 2022-05-10