Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Guochen Chi — 6 Patents in 2021

KEKempharm: 6 patents #1 of 4Top 25%
Coralville, IA: #2 of 25 inventorsTop 8%
Iowa: #30 of 1,785 inventorsTop 2%
Overall (2021): #23,424 of 548,734Top 5%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11174229 D-amphetamine compounds, compositions, and processes for making and using the same Sven Guenther, Travis Mickle 2021-11-16
11136295 D-amphetamine compounds, compositions, and processes for making and using the same Sven Guenther, Travis Mickle 2021-10-05
11021459 Compositions comprising methylphenidate-prodrugs, processes of making and using the same Travis Mickle, Sven Guenther 2021-06-01
11021460 Compositions comprising methylphenidate-prodrugs, processes of making and using the same Travis Mickle, Sven Guenther 2021-06-01
10954212 Compositions comprising methylphenidate-prodrugs, processes of making and using the same Travis Mickle, Sven Guenther 2021-03-23
10954213 Compositions comprising methylphenidate-prodrugs, processes of making and using the same Travis Mickle, Sven Guenther 2021-03-23