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USPTO Patent Rankings Data through Sept 30, 2025
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David T. Chiu — 1 Patent in 2018

Amazon: 1 patents #1,289 of 3,429Top 40%
Palo Alto, CA: #854 of 1,983 inventorsTop 45%
California: #23,431 of 60,411 inventorsTop 40%
Overall (2018): #448,010 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10019860 Remote access authentication and authorization Unyoung Kim, Michael Crane, Calvin Nguyen, Rohit Shrivastava 2018-07-10