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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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De Lu — 4 Patents in 2018

Qualcomm: 4 patents #380 of 2,752Top 15%
San Diego, CA: #416 of 4,341 inventorsTop 10%
California: #4,911 of 60,411 inventorsTop 9%
Overall (2018): #46,612 of 503,207Top 10%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10164768 Method and apparatus for differential power analysis (DPA) resilience security in cryptography processors Ravindraraj Ramaraju, Rakesh Vattikonda, Samrat Sinharoy, Bo Pang 2018-12-25
9948303 High speed voltage level shifter Venkat Narayanan, Rakesh Vattikonda, Ramaprasath Vilangudipitchai, Samrat Sinharoy, Rui-Hua Chen 2018-04-17 $5,906,000
9941866 Apparatus for design for testability of multiport register arrays Rakesh Vattikonda, Samrat Sinharoy 2018-04-10 $10,306,000
9859893 High speed voltage level shifter Venkat Narayanan, Rakesh Vattikonda, Ramaprasath Vilangudipitchai, Samrat Sinharoy, Rui-Hua Chen 2018-01-02 $10,891,000