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

Ryoichi Kato

AMAmazon: 1 patents #1,427 of 4,749Top 35%
Sunnyvale, CA: #1,232 of 3,097 inventorsTop 40%
California: #24,623 of 65,961 inventorsTop 40%
Overall (2022): #277,293 of 548,613Top 55%
1 Patents 2022

Issued Patents 2022

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