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USPTO Patent Rankings Data through Sept 30, 2025
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Thomas A. Sheffler — 2 Patents

RARambus: 2 patents #324 of 549Top 60%
San Francisco, CA: #14,272 of 26,999 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,947,458 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9898400 Single command, multiple column-operation memory device Lawrence Lai, Liang Ping Peng, Bohuslav Rychlik 2018-02-20
9658953 Single command, multiple column-operation memory device Lawrence Lai, Liang Ping Peng, Bohuslav Rychlik 2017-05-23