Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Roy E. Clark — 73 Patents

EMEmc: 62 patents #15 of 3,345Top 1%
ECEmc Ip Holding Company: 9 patents #516 of 4,608Top 15%
DGData General: 2 patents #96 of 327Top 30%
Hopkinton, MA: #6 of 444 inventorsTop 2%
Massachusetts: #516 of 88,656 inventorsTop 1%
Overall (All Time): #26,958 of 4,157,543Top 1%
73 Patents All Time
Roy E. Clark has been granted 73 US patents while listed as an inventor at Emc. The first was granted in 1998 and the most recent in September 2020. Roy E. Clark ranks #26,958 of 4,157,543 US inventors in our database (top 0.65%). Patent records list Roy E. Clark in Hopkinton, MA, US.

Issued Patents All Time

Showing 1–25 of 73 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10788994 Disaggregation of flash management John S. Harwood, Robert W. Beauchamp, Dragan Savic 2020-09-29
10509731 Methods and apparatus for memory tier page cache coloring hints Adrian Michaud, Kenneth J. Taylor 2019-12-17
10235054 System and method utilizing a cache free list and first and second page caches managed as a single cache in an exclusive manner Adrian Michaud 2019-03-19
10235291 Methods and apparatus for multiple memory maps and multiple page caches in tiered memory Adrian Michaud, Kenneth J. Taylor 2019-03-19
10049046 Methods and apparatus for memory tier page cache with zero file Adrian Michaud, Kenneth J. Taylor 2018-08-14
9971709 Data migration techniques Matthew Long, Dennis Duprey, David W. Harvey, Walter A. O'Brien, III 2018-05-15
9858193 System and method for apportioning storage Randall H. Shain, Barry Ader, Daniel S. Cobb 2018-01-02
9811286 System and method for storage management Randall H. Shain, Arieh Don, Philip Derbeko, Yaron Dar, Alex Veprinsky 2017-11-07
9672148 Methods and apparatus for direct cache-line access to attached storage with cache Adrian Michaud 2017-06-06
9495292 Cache management Randall H. Shain, Alexandr Veprinsky, Arieh Don, Philip Derbeko, Yaron Dar 2016-11-15
9478274 Methods and apparatus for multiple memory maps and multiple page caches in tiered memory Adrian Michaud, Kenneth J. Taylor 2016-10-25
9438688 System and method for LUN and cache management Philip Derbeko, Arieh Don, Yaron Dar 2016-09-06 $13,140,000
9424175 System and method for improving cache performance Alex Veprinsky 2016-08-23 $12,092,000
9367453 System and method for migrating cache data Randall H. Shain, Robert W. Beauchamp, Michel F. Fisher 2016-06-14 $11,401,000
9367452 System and method for apportioning storage Randall H. Shain, Barry Ader, Daniel S. Cobb 2016-06-14 $11,401,000
9335941 Crash consistency 2016-05-10 $17,263,000
9268711 System and method for improving cache performance Alex Veprinsky 2016-02-23 $13,244,000
9268693 System and method for improving cache performance Alex Veprinsky 2016-02-23 $13,244,000
9268696 System and method for improving cache performance Alex Veprinsky 2016-02-23 $13,244,000
9208098 System and method for improving cache performance Alex Veprinsky 2015-12-08 $26,624,000
9189387 Combined memory and storage tiering Kenneth J. Taylor, Amnon Naamad, Yaron Dar 2015-11-17 $16,372,000
9176902 Data migration techniques Matthew Long, Dennis Duprey, David W. Harvey, Walter A. O'Brien, III 2015-11-03 $19,079,000
9164906 System and method for improving cache performance Randall H. Shain 2015-10-20 $19,314,000
9164949 System and method for LUN and cache management Philip Derbeko, Arieh Don, Yaron Dar 2015-10-20 $19,314,000
9135176 System and method for thin provisioning Philip Derbeko, Anat Eyal 2015-09-15 $10,863,000