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

David William Kravitz

T-T-Central: 18 patents #1 of 7Top 15%
SPSpringcoin: 9 patents #1 of 11Top 10%
Disney: 8 patents #911 of 6,686Top 15%
CECertco: 7 patents #4 of 21Top 20%
Google: 7 patents #3,762 of 22,993Top 20%
CECerticom: 6 patents #24 of 112Top 25%
DEDigital Video Express: 6 patents #1 of 27Top 4%
IBM: 5 patents #18,733 of 70,183Top 30%
CLCavium, Llc.: 4 patents #71 of 220Top 35%
MSMotorola Solutions: 3 patents #461 of 2,212Top 25%
BLBlackberry Limited: 2 patents #1,168 of 2,554Top 50%
SPSwitching Power: 2 patents #1 of 3Top 35%
SISifive: 2 patents #24 of 55Top 45%
DLDolby Laboratories Licensing: 1 patents #554 of 815Top 70%
UCUS Dept of Commerce: 1 patents #324 of 1,030Top 35%
SASandia: 1 patents #980 of 2,107Top 50%
GIGeneral Instrument: 1 patents #417 of 950Top 45%
Cambridge, MA: #39 of 8,183 inventorsTop 1%
Massachusetts: #372 of 88,656 inventorsTop 1%
Overall (All Time): #20,952 of 4,157,543Top 1%
83 Patents All Time

Issued Patents All Time

Showing 51–75 of 83 patents

Patent #TitleCo-InventorsDate
9529640 Work request processor Daniel Dever, Wilson P. Snyder, II 2016-12-27
9455978 System and method to enable PKI- and PMI- based distributed locking of content and distributed unlocking of protected content and/or scoring of users and/or scoring of end-entity access means—added Donald Houston Graham, III, Josselyn L. Boudett, Russell S. Dietz 2016-09-27
9430620 System and method for securing the life-cycle of user domain rights objects 2016-08-30
9356916 System and method to use a cloud-based platform supported by an API to authenticate remote users and to provide PKI- and PMI-based distributed locking of content and distributed unlocking of protected content Donald Houston Graham, III, Josselyn L. Boudett, Russell S. Dietz 2016-05-31
9270663 System and method to enable PKI- and PMI-based distributed locking of content and distributed unlocking of protected content and/or scoring of users and/or scoring of end-entity access means—added Donald Houston Graham, III, Josselyn L. Boudett, Russell S. Dietz 2016-02-23
9154508 Domain membership rights object Petr Peterka, Paul Montague 2015-10-06
9059945 Work request processor Daniel Dever, Wilson P. Snyder, II 2015-06-16
9049022 Hashing prefix-free values in a certificate scheme Gregory Marc Zaverucha 2015-06-02
9037847 System and method for enforcing digital rights management rules 2015-05-19
8995656 Multiple hashing in a cryptographic scheme Gregory Marc Zaverucha 2015-03-31
8972540 Incenting divulgence of information for binding identifiers across information domains while maintaining confidentiality Mark A. Gannon, Joshua B. Hurwitz, John Kane 2015-03-03
8925096 System and method for securing the life-cycle of user domain rights objects 2014-12-30
8878933 Method and apparatus for providing and determining integrity of video 2014-11-04
8850199 Hashing prefix-free values in a signature scheme Gregory Marc Zaverucha 2014-09-30
8321348 Computer-based method and system for aiding transactions Yair Frankel, Charles Thomas Montgomery, Marcel Mordechay Yung 2012-11-27
8121949 Computer-based method and system for aiding transactions Yair Frankel, Charles Thomas Montgomery, Marcel Mordechay Yung 2012-02-21
7839664 AC to DC power supply having zero frequency harmonic contents in 3-phase power-factor-corrected output ripple 2010-11-23
7698570 Digital content distribution system and method Robert Wilhelm Schumann, Richard Whittemore, David Goldschlag, Siu-Leong Iu, Guillaume Mercier +3 more 2010-04-13
7689250 Method, apparatus and system for partitioning and bundling access to network services and applications Sandeep M. Adwankar, Morris A. Moore 2010-03-30
7464274 Manufacturing trusted devices David Moshe Goldshlag 2008-12-09
7343346 Computer-based method and system for aiding transactions Yair Frankel, Charles Thomas Montgomery, Marcel Mordechay Yung 2008-03-11
7162642 Digital content distribution system and method Robert Wilhelm Schumann, Richard Whittemore, David Goldschlag, Siu-Leong Iu, Guillaume Mercier +3 more 2007-01-09
6975728 Hierarchical key management Randy Eye, David Moshe Goldshlag 2005-12-13
6957344 Manufacturing trusted devices David Moshe Goldshlag 2005-10-18
6907127 Hierarchical key management encoding and decoding David Moshe Goldshlag 2005-06-14