YS

Yongfen Sun

BO BOE: 1 patents #7,844 of 12,373Top 65%
Overall (All Time): #2,850,813 of 4,157,543Top 70%
1
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Issued Patents All Time

Patent #TitleCo-InventorsDate
10253026 Process for the preparation of (r)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1h-purine-2,6-dione Weitong Dong, Yao Huang, Shengmin Su, Pengtao Zhang 2019-04-09