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USPTO Patent Rankings Data through Dec 31, 2025
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An-Ping Zeng — 2 Patents in 2021

MEMetabolic Explorer: 1 patents #3 of 8Top 40%
Schwäbisch Hall, DE: #4 of 19 inventorsTop 25%
Overall (2021): #179,788 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11162082 Mutant phosphoserine aminotransferase for the conversion of homoserine into 4-hydroxy-2-ketobutyrate Chengwei MA, Yujun Zhang 2021-11-02
10947523 Biotechnological production of L-tryptophan Lin Chen 2021-03-16