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

Gregory H. Stark — 5 Patents

SFSecurity First: 5 patents #12 of 35Top 35%
Millersville, MD: #20 of 122 inventorsTop 20%
Maryland: #6,599 of 35,612 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Gregory H. Stark has been granted 5 US patents while listed as an inventor at Security First. The first was granted in 2005 and the most recent in November 2015. Gregory H. Stark ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gregory H. Stark in Millersville, MD, US.

Patents per Year

Patents granted per year, 2005 to 2015Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052007: 1 patents20072009: 1 patents20092013: 1 patents20132015: 1 patents2015

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9189777 Electronic commerce with cryptographic authentication Alexander G. Dickinson, Mark S. Ohare, Mark D. Rohrbach, James G. Zoccoli, Rick L. Orsini +7 more 2015-11-17
8494969 Cryptographic server with provisions for interoperability between cryptographic systems Alexander G. Dickinson, Mark D. Rohrbach, Richard F. Clayton, Michelle Ferrante 2013-07-23
7577621 Cryptographic server with provisions for interoperability between cryptographic systems Alexander G. Dickinson, Mark D. Rohrbach, Richard F. Clayton, Michelle Ferrante 2009-08-18
7187771 Server-side implementation of a cryptographic system Alexander G. Dickinson, Roger S. Davenport, Mark S. Ohare, Philip W. Clough, Mark D. Rohrbach +5 more 2007-03-06
6853988 Cryptographic server with provisions for interoperability between cryptographic systems Alexander G. Dickinson, Mark D. Rohrbach, Richard F. Clayton, Michelle Ferrante 2005-02-08