Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Weida Ou — 1 Patent

KCKingfa Sci. & Tech. Co.: 1 patents #33 of 88Top 40%
Longbeilingcun, CN: #3,049 of 5,734 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Weida Ou has been granted 1 US patent while listed as an inventor at Kingfa Sci. & Tech. Co.. All of these patents were granted in 2022. Weida Ou ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Weida Ou in Longbeilingcun, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11453776 Polylactic acid 3D printing material and preparation method thereof Kai Xiong, Zhimin Yuan, Tongmin Cai, Xianbo Huang, Xiangbin Zeng +5 more 2022-09-27