Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ryoichi Kato

Amazon: 1 patents #10,608 of 19,158Top 60%
Sunnyvale, CA: #10,174 of 14,302 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,639,027 of 4,157,543Top 65%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11256707 Per-query database partition relevance for search Pengcheng Xiong, Bing Yin, Danqing Zhang, William Headden, Heran Lin +3 more 2022-02-22