Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Prasanna Rupasinghe — 2 Patents

Intel: 2 patents #13,316 of 30,777Top 45%
Sacramento, CA: #524 of 1,687 inventorsTop 35%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Prasanna Rupasinghe has been granted 2 US patents while listed as an inventor at Intel. The first was granted in 1995 and the most recent in October 1996. Prasanna Rupasinghe ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Prasanna Rupasinghe in Sacramento, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5561783 Dynamic cache coherency method and apparatus using both write-back and write-through operations Subbarao Vanka, Mark Lalich, Abid Ahmad 1996-10-01 $128,592,000
5479636 Concurrent cache line replacement method and apparatus in microprocessor system with write-back cache memory Subbarao Vanka, Mark Lalich 1995-12-26 $51,594,000