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

Daniel R. K. Ports — 3 Patents

Broadcom: 3 patents #3,175 of 9,346Top 35%
San Francisco, CA: #11,477 of 26,999 inventorsTop 45%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,493,301 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9658878 Transparent memory-mapped emulation of I/O calls Xiaoxin Chen, Carl A. Waldspurger, Pratap Subrahmanyam, Tal Garfinkel 2017-05-23
8819676 Transparent memory-mapped emulation of I/O calls Xiaoxin Chen, Carl A. Waldspurger, Pratap Subrahmanyam, Tal Garfinkel 2014-08-26
8261265 Transparent VMM-assisted user-mode execution control transfer Xiaoxin Chen, Carl A. Waldspurger, Pratap Subrahmanyam, Tal Garfinkel 2012-09-04