DJ

Donald B. Johnson

IBM: 31 patents #3,235 of 70,183Top 5%
CE Certicom: 29 patents #6 of 112Top 6%
SG Schenk Pegasus Gmbh: 1 patents #3 of 15Top 20%
Overall (All Time): #37,045 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 25 most recent of 62 patents

Patent #TitleCo-InventorsDate
8983064 Strengthened public key protocol Scott A. Vanstone, Alfred John Menezes, Minghua Qu 2015-03-17
8953787 Strengthened public key protocol Scott A. Vanstone, Alfred John Menezes, Minghua Qu 2015-02-10
8738912 Accelerated signature verification on an elliptic curve Scott A. Vanstone 2014-05-27
8732467 Masked digital signatures Scott A. Vanstone, Minghua Qu 2014-05-20
8688998 Resilent cryptographic scheme Scott A. Vanstone 2014-04-01
RE44670 Resilient cryptographic scheme Scott A. Vanstone 2013-12-24
8594324 Key validation scheme 2013-11-26
8359468 Masked digital signatures Scott A. Vanstone, Minghua Qu 2013-01-22
8312283 Accelerated signature verification on an elliptic curve Scott A. Vanstone 2012-11-13
8233617 Resilient cryptographic scheme Scott A. Vanstone 2012-07-31
8229113 Strengthened public key protocol Scott A. Vanstone, Alfred John Menezes, Minghua Qu 2012-07-24
8116451 Key validation scheme 2012-02-14
7996676 Masked digital signatures Scott A. Vanstone, Minghua Qu 2011-08-09
7930549 Accelerated signature verification on an elliptic curve Scott A. Vanstone 2011-04-19
7797539 Resilient cryptographic scheme Scott A. Vanstone 2010-09-14
7567669 Strengthened public key protocol Scott A. Vanstone, Alfred John Menezes, Minghua Qu 2009-07-28
7552329 Masked digital signatures Scott A. Vanstone, Minghua Ou 2009-06-23
7415611 Accelerated signature verification on a elliptic curve Scott A. Vanstone 2008-08-19
7260723 Masked digital signatures Scott A. Vanstone, Minghua Ou 2007-08-21
7215773 Key validation scheme 2007-05-08
7036015 Verification protocol Scott A. Vanstone 2006-04-25
6490682 Log-on verification protocol Scott A. Vanstone 2002-12-03
6487660 Two way authentication protocol Scott A. Vanstone, Robert John Lambert, Ashok Vadekar 2002-11-26
6446207 Verification protocol Scott A. Vanstone 2002-09-03
6424712 Accelerated signature verification on an elliptic curve Scott A. Vanstone 2002-07-23