Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bufan Ren — 2 Patents

Jiande, CN: #5 of 10 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bufan Ren has been granted 2 US patents. The first was granted in 2008 and the most recent in December 2015. Bufan Ren ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bufan Ren in Jiande, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9221853 Glyphosate dimethylamine salt crystal, preparation method and use thereof Wei Wang, Shuguang Zhou, Long Qin, Zhigang Qian, Tao Liu +2 more 2015-12-29
7435847 Preparation of solid ammonium glyphosate using organic solvent in extraction Wei Wang, Shuguang Zhou, Min Bao, Hongchao Zheng, Baiqing Zhang +1 more 2008-10-14