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USPTO Patent Rankings Data through Sept 30, 2025
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David Simpson — 5 Patents in 2018

Sony: 5 patents #158 of 2,835Top 6%
AMD: 1 patents #209 of 731Top 30%
San Jose, CA: #440 of 5,991 inventorsTop 8%
California: #3,458 of 60,411 inventorsTop 6%
Overall (2018): #30,295 of 503,207Top 7%
5 Patents 2018

Issued Patents 2018

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10134102 Graphics processing hardware for using compute shaders as front end for vertex shaders Mark Evan Cerny, Jason Scanlin, Michael Mantor 2018-11-20
10102094 Simulating legacy bus behavior for backwards compatibility Mark Evan Cerny 2018-10-16
10102603 Scheme for compressing vertex shader output parameters Mark Evan Cerny, Jason Scanlin 2018-10-16
10096079 Fragment shaders perform vertex shader computations Mark Evan Cerny, Jason Scanlin 2018-10-09
9892024 Backward compatibility testing of software in a mode that disrupts timing Mark Evan Cerny 2018-02-13