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

Thomas A. Crispin — 36 Patents

VTVia Technologies: 29 patents #14 of 1,108Top 2%
IPIp-First: 7 patents #8 of 27Top 30%
Texas: #2,932 of 125,132 inventorsTop 3%
Overall (All Time): #94,373 of 4,157,543Top 3%
36 Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
7539876 Apparatus and method for generating a cryptographic key schedule in a microprocessor G. Glenn Henry, Timothy A. Elliott, Terry Parks 2009-05-26
7536560 Microprocessor apparatus and method for providing configurable cryptographic key size G. Glenn Henry, Terry Parks 2009-05-19
7532722 Apparatus and method for performing transparent block cipher cryptographic functions G. Glenn Henry, Arturo Martin-de-Nicolas, Terry Parks 2009-05-12
7529368 Apparatus and method for performing transparent output feedback mode cryptographic functions G. Glenn Henry, Terry Parks 2009-05-05
7529367 Apparatus and method for performing transparent cipher feedback mode cryptographic functions G. Glenn Henry, Terry Parks 2009-05-05
7519833 Microprocessor apparatus and method for enabling configurable data block size in a cryptographic engine G. Glenn Henry, Terry Parks 2009-04-14
7502943 Microprocessor apparatus and method for providing configurable cryptographic block cipher round results G. Glenn Henry, Terry Parks 2009-03-10
7392400 Microprocessor apparatus and method for optimizing block cipher cryptographic functions G. Glenn Henry, Terry Parks 2008-06-24
7321910 Microprocessor apparatus and method for performing block cipher cryptographic functions G. Glenn Henry, Terry Parks 2008-01-22
7165084 Microprocessor with selectivity available random number generator based on self-test result G. Glenn Henry, Terry Parks 2007-01-16
7139785 Apparatus and method for reducing sequential bit correlation in a random number generator 2006-11-21