Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Subbarao Vanka — 6 Patents

Intel: 6 patents #6,200 of 30,777Top 25%
Portland, OR: #2,489 of 9,213 inventorsTop 30%
Oregon: #6,449 of 28,073 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Subbarao Vanka has been granted 6 US patents while listed as an inventor at Intel. The first was granted in 1995 and the most recent in May 2006. Subbarao Vanka ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Subbarao Vanka in Portland, OR, US.

Patents per Year

Patents granted per year, 1995 to 2006Bar chart with a peak of 2 patents in 1997.peak 21995: 1 patents19951996: 1 patents19961997: 2 patents19972004: 1 patents20042006: 1 patents2006

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7054974 System for end of interrupt handling Tuan M. Quach 2006-05-30 $15,171,000
6754754 Apparatus and method for end of interrupt handling Tuan M. Quach 2004-06-22 $27,859,000
5699540 Pseudo-concurrent access to a cached shared resource Abid Ahmad 1997-12-16 $78,645,000
5617576 Method of slowing down code execution in a microprocessor including an internal cache memory Edward Solari, Thomas A. Heckenberg 1997-04-01 $210,133,000
5561783 Dynamic cache coherency method and apparatus using both write-back and write-through operations Prasanna Rupasinghe, 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 Prasanna Rupasinghe, Mark Lalich 1995-12-26 $51,594,000