Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DB

David Black

EMEmc: 28 patents #80 of 3,345Top 3%
DPDell Products: 13 patents #522 of 6,820Top 8%
ECEmc Ip Holding Company: 12 patents #376 of 4,608Top 9%
BCBmc Co.: 1 patents #6 of 8Top 75%
MOMosys: 1 patents #31 of 45Top 70%
Acton, MA: #21 of 1,334 inventorsTop 2%
Massachusetts: #862 of 88,656 inventorsTop 1%
Overall (All Time): #41,069 of 4,157,543Top 1%
58 Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
6912548 Logical volume identifier database for logical volumes in a computer storage system 2005-06-28
6842784 Use of global logical volume identifiers to access logical volumes stored among a plurality of storage elements in a computer storage system 2005-01-11
6816916 Data storage system having multi-cast/unicast Stephen D. MacArthur, Richard G. Wheeler, Natan Vishlitzky 2004-11-09
6813686 Method and apparatus for identifying logical volumes in multiple element computer storage domains 2004-11-02
6760828 Method and apparatus for using logical volume identifiers for tracking or identifying logical volume stored in the storage system 2004-07-06
6742017 Data storage system having separate data transfer section and message network with pointer or counters Stephen D. MacArthur, Richard G. Wheeler 2004-05-25
6708265 Method and apparatus for moving accesses to logical entities from one storage element to another storage element in a computer storage system 2004-03-16
5367382 On-line microfilm storage and retrieval system Nikhil Bhatt 1994-11-22