Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Douglas Sullivan — 25 Patents

EMEmc: 25 patents #96 of 3,345Top 3%
Milford, MA: #11 of 332 inventorsTop 4%
Massachusetts: #4,179 of 88,656 inventorsTop 5%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Douglas Sullivan has been granted 25 US patents while listed as an inventor at Emc. The first was granted in 2005 and the most recent in April 2014. Douglas Sullivan ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Douglas Sullivan in Milford, MA, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8688934 Method for caching data Steven D. Sardella, Robert W. Beauchamp 2014-04-01 $24,793,000
8677086 System for caching data Steven D. Sardella, Robert W. Beauchamp 2014-03-18 $26,913,000
8639864 Method and system for facilitating communication between a host and downstream devices in a data storage system Howard G. Drake, Matthew Yellen 2014-01-28 $53,322,000
8374731 Cooling system 2013-02-12 $23,403,000
8194547 Configuring flow control settings Steven D. Sardella 2012-06-05 $62,006,000
8176156 Server identification assignment in a distributed switched storage environment 2012-05-08 $26,379,000
8089903 Method and apparatus for providing a logical separation of a customer device and a service device connected to a data storage system Phillip Leef, Matthew Ferson 2012-01-03 $59,628,000
8031722 Techniques for controlling a network switch of a data storage system Alex Sanville, Stephen E. Strickland 2011-10-04 $17,277,000
7849350 Responding to a storage processor failure with continued write caching David French, H. Austin Spang, IV, Bill Buckley, Matt Yellen 2010-12-07 $16,357,000
7809975 Recovering from a storage processor failure using write cache preservation David French, William Buckley, Alex Sanville, Phillip J. Manning 2010-10-05 $17,205,000
7809964 Storage system assembly with distributed enclosure management Stephen E. Strickland, Alex Sanville 2010-10-05 $17,205,000
7716315 Enclosure configurable to perform in-band or out-of-band enclosure management Steven D. Sardella, Robert P. Valentine 2010-05-11 $19,482,000
7711869 Method for communicating plural signals generated at a source to a remote destination through a single wire Stephen E. Strickland, Alex Sanville 2010-05-04 $32,293,000
7676694 Managing system components Keith A. Morrissette, Steven D. Sardella 2010-03-09 $34,330,000
7502992 Method and apparatus for detecting presence of errors in data transmitted between components in a data storage system using an I2C protocol Phillip Leef, Stephen E. Strickland, Alex Sanville 2009-03-10 $24,068,000
7321948 Highly available system test mechanism Brandon Barney 2008-01-22 $110,570,000
7279856 Environmental and health monitoring circuitry for storage processor I/O annex module Stephen E. Strickland, Michael J. Kozel 2007-10-09 $22,135,000
7263569 Method and system for distributing power in a computer system Steven D. Sardella, Stephen E. Strickland 2007-08-28 $43,289,000
7254673 Provision of a victim cache within a storage cache hierarchy 2007-08-07 $16,034,000
7238030 Multi-function expansion slots for a storage system Robert P. Valentine, Steven D. Sardella 2007-07-03 $20,146,000
7089379 Large high bandwidth memory system Navin Kumar Sharma, Jun Ohama 2006-08-08 $42,041,000
7062594 Root complex connection system Steven D. Sardella 2006-06-13 $34,117,000
7062675 Data storage cache system shutdown scheme John Kemeny, Jun Ohama, Peter J. McCann 2006-06-13 $34,117,000
7058835 System, method and apparatus for controlling supply of backup power to first and second power planes in the event of a power failure of a main power supply Navin Kumar Sharma 2006-06-06 $133,897,000
6901477 Provision of a victim cache within a storage cache hierarchy 2005-05-31 $62,207,000