Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Rizwan Sheikh — 3 Patents

EMEmc: 3 patents #978 of 3,345Top 30%
Grafton, MA: #102 of 223 inventorsTop 50%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Rizwan Sheikh has been granted 3 US patents while listed as an inventor at Emc. The first was granted in 1999 and the most recent in August 2010. Rizwan Sheikh ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Rizwan Sheikh in Grafton, MA, US.

Patents per Year

Patents granted per year, 1999 to 2010Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992000: 1 patents20002010: 1 patents2010

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7778244 Storage system management with diplexing using USB signal conversion Stephen E. Strickland, Phillip Leef 2010-08-17 $26,255,000
6058451 Method and apparatus for refreshing a non-clocked memory Michael Bermingham, Christopher S. MacLellan 2000-05-02 $1,691,203,000
5956288 Modular memory system with shared memory access Michael Bermingham, Christopher S. MacLellan 1999-09-21 $395,772,000