Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
VW

Virgil V. Wilkins — 29 Patents

WTWestern Digital Technologies: 19 patents #157 of 3,180Top 5%
ALAristos Logic: 8 patents #2 of 10Top 20%
ADAdaptec: 2 patents #98 of 322Top 35%
Perris, CA: #2 of 94 inventorsTop 3%
California: #18,137 of 386,348 inventorsTop 5%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Virgil V. Wilkins has been granted 29 US patents while listed as an inventor at Western Digital Technologies. The first was granted in 1991 and the most recent in February 2016. Virgil V. Wilkins ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Virgil V. Wilkins in Perris, CA, US.

Patents per Year

Patents granted per year, 1991 to 2016Bar chart with a peak of 5 patents in 2014.peak 51991: 1 patents19912002: 1 patents2003: 3 patents20032004: 1 patents2005: 2 patents20052006: 4 patents2007: 3 patents20072008: 2 patents2009: 2 patents20092013: 1 patents2014: 5 patents20142015: 3 patents2016: 1 patents2016

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9268499 Hybrid drive migrating high workload data from disk to non-volatile semiconductor memory Robert M. Fallone, Alan T. Meyer, William B. Boyle 2016-02-23 $5,909,000
9164694 Data storage device detecting read-before-write conditions and returning configurable return data Danny O. Ybarra, Asif F. Gosla 2015-10-20 $13,655,000
9069475 Hybrid drive selectively spinning up disk when powered on 2015-06-30 $12,573,000
9058280 Hybrid drive migrating data from disk to non-volatile semiconductor memory based on accumulated access time William B. Boyle, Mei-Man L. Syu 2015-06-16 $9,830,000
8924627 Flash memory device comprising host interface for processing a multi-command descriptor block in order to exploit concurrency Mei-Man L. Syu, Robert L. Horn, Dominic S. Suryabudi 2014-12-30 $6,900,000
8825977 Hybrid drive writing copy of data to disk when non-volatile semiconductor memory nears end of life Mei-Man L. Syu, William B. Boyle, Alan T. Meyer, William Carlos Cain 2014-09-02 $16,213,000
8775720 Hybrid drive balancing execution times for non-volatile semiconductor memory and disk Alan T. Meyer, William B. Boyle, Mei-Man L. Syu, Robert M. Fallone 2014-07-08 $12,758,000
8751728 Storage system bus transfer optimization Mei-Man L. Syu, Robert L. Horn 2014-06-10 $14,825,000
8683295 Hybrid drive writing extended error correction code symbols to disk for data sectors stored in non-volatile semiconductor memory Mei-Man L. Syu, Alan T. Meyer 2014-03-25 $20,700,000
8560759 Hybrid drive storing redundant copies of data on disk and in non-volatile semiconductor memory based on read frequency William B. Boyle, Curtis E. Stevens 2013-10-15 $20,967,000
7523257 Method of managing raid level bad blocks in a networked storage system Robert L. Horn 2009-04-21 $4,442,000
7509473 Segmented storage system mapping Robert L. Horn 2009-03-24 $4,222,000
7421520 High-speed I/O controller having separate control and data paths Robert L. Horn 2008-09-02
7404021 Integrated input/output controller Robert L. Horn, Marc Acosta, Sanjay Mathur 2008-07-22
7287121 System and method of establishing and reconfiguring volume profiles in a storage system Robert L. Horn 2007-10-23
7162579 Asymmetrical load balancing for mirrored storage volumes Robert L. Horn 2007-01-09
7162582 Caching in a virtualization system Robert L. Horn 2007-01-09
7089381 Multiple storage element command queues Robert L. Horn 2006-08-08
7069382 Method of RAID 5 write hole prevention Robert L. Horn 2006-06-27
7028297 System and method of scalable transaction processing Robert L. Horn, Mark Myran, David Walls, Gnanashanmugam Elumalai 2006-04-11
6996669 Cluster-based cache memory allocation Quoc N. Dang, Tsun Y. Ng, Ralph H. Castro 2006-02-07 $12,182,000
6880043 Range-based cache control system and method Ralph H. Castro, Tsun Y. Ng 2005-04-12 $8,600,000
6862660 Tag memory disk cache architecture Ralph H. Castro, Tsun Y. Ng 2005-03-01 $3,820,000
6725329 Cache control system and method having hardware-based tag record allocation Tsun Y. Ng, Ralph H. Castro 2004-04-20 $5,214,000
6606682 Cluster-based cache memory allocation Quoc N. Dang, Tsun Y. Ng, Ralph H. Castro 2003-08-12 $8,888,000