Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cuilan Chang — 4 Patents

Dow Global Technologies: 3 patents #1,458 of 4,534Top 35%
Rohm And Haas: 1 patents #1,282 of 2,359Top 55%
Shanghai, CN: #3,882 of 19,267 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Cuilan Chang has been granted 4 US patents while listed as an inventor at Dow Global Technologies. The first was granted in 2020 and the most recent in October 2025. Cuilan Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Cuilan Chang in Shanghai, CN.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 2 patents in 2025.peak 22020: 1 patents20202022: 1 patents20222025: 2 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12453352 Fosthiazate pesticide formulations Shiling Zhang, Ling Zhong, Xuedong Gao, Hua Ren, Xuemei Zhai 2025-10-28
12291643 Aqueous coating composition and process for preparing the same Jianming Xu, Wei Cui, Yunfei Lan 2025-05-06
11382330 Micro-encapsulation of an insecticide Shiling Zhang, Ling Zhong, Hua Ren, Dong Yun, Wei Lu 2022-07-12
10851221 Crosslinkable polymeric compositions with methyl-radical scavengers and articles made therefrom Kainan Zhang, Yabin Sun, Jeffrey M. Cogen, Timothy J. Person, Jie Ji 2020-12-01

Frequent Collaborators

Hua Ren2 shared
Shiling Zhang1 shared
Jianming Xu1 shared
Ling Zhong1 shared
Wei Lu1 shared
Xuemei Zhai1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4