Inventor · disambiguated record
Francis J. Spahn
Also filed as: SPAHN FRANCIS · SPAHN FRANCIS J
60 granted patents·28 pending applications·27,167 citations·filing 1992–2014
99Inventor score
Top patents by PatentIndex Score
88 records- 0199US8639625B1Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2007·Granted Jan 28, 2014·241 cites·18 claims
- 0299US8291238B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2007·Granted Oct 16, 2012·285 cites·42 claims
- 0399US7587369B2Trusted and secure techniques, systems and methods for item delivery and executionINTERTRUST TECH CORP·Filed 2007·Granted Sep 8, 2009·65 cites·32 claims
- 0499US7143290B1Trusted and secure techniques, systems and methods for item delivery and executionINTERTRUST TECH CORP·Filed 2000·Granted Nov 28, 2006·184 cites·48 claims
- 0599US7133846B1Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights managementINTERTRUST TECH CORP·Filed 1999·Granted Nov 7, 2006·449 cites·30 claims
- 0699US7120800B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2001·Granted Oct 10, 2006·423 cites·38 claims
- 0799US7100199B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2003·Granted Aug 29, 2006·195 cites·33 claims
- 0899US7095854B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2000·Granted Aug 22, 2006·456 cites·33 claims
- 0999US7076652B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2001·Granted Jul 11, 2006·281 cites·40 claims
- 1099US7051212B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2002·Granted May 23, 2006·163 cites·43 claims
- 1199US6948070B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2000·Granted Sep 20, 2005·315 cites·9 claims
- 1299US6658568B1Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights managementINTERTRUST TECH CORP·Filed 1999·Granted Dec 2, 2003·1.1k cites·21 claims
- 1399US6640304B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2002·Granted Oct 28, 2003·521 cites·31 claims
- 1499US6427140B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted Jul 30, 2002·818 cites·30 claims
- 1599US6389402B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted May 14, 2002·853 cites·2 claims
- 1699US6363488B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted Mar 26, 2002·1.3k cites·6 claims
- 1799US6253193B1Systems and methods for the secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1998·Granted Jun 26, 2001·1.5k cites·72 claims
- 1899US6237786B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted May 29, 2001·832 cites·8 claims
- 1999US6185683B1Trusted and secure techniques, systems and methods for item delivery and executionINTERTRUST TECH CORP·Filed 1998·Granted Feb 6, 2001·1.6k cites·131 claims
- 2099US5982891ASystems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1997·Granted Nov 9, 1999·1.8k cites·102 claims
- 2199US5949876ASystems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1997·Granted Sep 7, 1999·1k cites·375 claims
- 2299US5917912ASystem and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1997·Granted Jun 29, 1999·1.3k cites·58 claims
- 2399US5915019ASystems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1997·Granted Jun 22, 1999·1.3k cites·101 claims
- 2499US5910987ASystems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1996·Granted Jun 8, 1999·1.8k cites·2 claims
- 2599US5892900ASystems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1996·Granted Apr 6, 1999·5.9k cites·220 claims
- 2698US8572411B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2010·Granted Oct 29, 2013·30 cites·50 claims
- 2798US8543842B2System and methods for secure transaction management and electronics rights protectionGINTER KARL L·Filed 2006·Granted Sep 24, 2013·73 cites·24 claims
- 2898US8533851B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2006·Granted Sep 10, 2013·67 cites·34 claims
- 2998US8185473B2Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights managementGINTER KARL L·Filed 2006·Granted May 22, 2012·38 cites·55 claims
- 3098US8112625B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2010·Granted Feb 7, 2012·31 cites·4 claims
- 3198US7917749B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2006·Granted Mar 29, 2011·42 cites·14 claims
- 3298US7844835B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2005·Granted Nov 30, 2010·74 cites·37 claims
- 3398US7392395B2Trusted and secure techniques, systems and methods for item delivery and executionINTERTRUST TECH CORP·Filed 2005·Granted Jun 24, 2008·53 cites·38 claims
- 3498US7281133B2Trusted and secure techniques, systems and methods for item delivery and executionINTERTRUST TECH CORP·Filed 2005·Granted Oct 9, 2007·79 cites·40 claims
- 3598US7124302B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2001·Granted Oct 17, 2006·282 cites·35 claims
- 3697US8677507B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2011·Granted Mar 18, 2014·31 cites·20 claims
- 3797US8190528B2Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, and rights managementGINTER KARL L·Filed 2010·Granted May 29, 2012·37 cites·14 claims
- 3897US8055913B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2007·Granted Nov 8, 2011·44 cites·16 claims
- 3997US7415617B2Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights managementINTERTRUST TECH CORP·Filed 2004·Granted Aug 19, 2008·169 cites·15 claims
- 4096US8006087B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2007·Granted Aug 23, 2011·24 cites·5 claims
- 4196US7752466B2Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 2007·Granted Jul 6, 2010·47 cites·6 claims
- 4296US7133845B1System and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted Nov 7, 2006·592 cites·15 claims
- 4395US8533854B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2011·Granted Sep 10, 2013·17 cites·10 claims
- 4495US8316449B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2007·Granted Nov 20, 2012·32 cites·13 claims
- 4595US8191158B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2007·Granted May 29, 2012·33 cites·4 claims
- 4695US8181021B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2007·Granted May 15, 2012·26 cites·29 claims
- 4795US7069451B1Systems and methods for secure transaction management and electronic rights protectionINTERTRUST TECH CORP·Filed 1999·Granted Jun 27, 2006·232 cites·9 claims
- 4893US8751793B2Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights managementGINTER KARL L·Filed 2003·Granted Jun 10, 2014·70 cites·19 claims
- 4993US8528097B2Trusted and secure techniques for item delivery and executionGINTER KARL L·Filed 2007·Granted Sep 3, 2013·12 cites·19 claims
- 5093US8402557B2Systems and methods for secure transaction management and electronic rights protectionGINTER KARL L·Filed 2010·Granted Mar 19, 2013·12 cites·30 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →