Inventor · disambiguated record
Guido Appenzeller
Also filed as: APPENZELLER GUIDO
42 granted patents·2 pending applications·1,923 citations·filing 2002–2015
99Inventor score
Files withVOLTAGE SECURITY INC26APPENZELLER GUIDO5BIG SWITCH NETWORKS INC3ADAMS ROBERT EDWARD2PAUKER MATTHEW J2
Top patents by PatentIndex Score
44 records- 0198US8079087B1Universal resource locator verification service with cross-branding detectionSPIES TERENCE·Filed 2005·Granted Dec 13, 2011·135 cites·12 claims
- 0298US7698442B1Server-based universal resource locator verification serviceVOLTAGE SECURITY INC·Filed 2005·Granted Apr 13, 2010·216 cites·19 claims
- 0397US9001827B2Methods for configuring network switchesAPPENZELLER GUIDO·Filed 2010·Granted Apr 7, 2015·57 cites·13 claims
- 0497US7769820B1Universal resource locator verification services using web site attributesVOLTAGE SECURITY INC·Filed 2005·Granted Aug 3, 2010·74 cites·17 claims
- 0597US7003117B2Identity-based encryption system for secure data distributionVOLTAGE SECURITY INC·Filed 2003·Granted Feb 21, 2006·187 cites·15 claims
- 0697US6886096B2Identity-based encryption systemVOLTAGE SECURITY INC·Filed 2002·Granted Apr 26, 2005·193 cites·21 claims
- 0796US10142160B1System and methods for managing network hardware address requests with a controllerADAMS ROBERT EDWARD·Filed 2011·Granted Nov 27, 2018·61 cites·18 claims
- 0896US7921292B1Secure messaging systemsVOLTAGE SECURITY INC·Filed 2003·Granted Apr 5, 2011·134 cites·22 claims
- 0995US8627084B1Secure messaging systemsVOLTAGE SECURITY INC·Filed 2012·Granted Jan 7, 2014·23 cites·10 claims
- 1095US7961879B1Identity-based-encryption system with hidden public key attributesVOLTAGE SECURITY INC·Filed 2009·Granted Jun 14, 2011·34 cites·20 claims
- 1194US9130870B1Methods for determining network topologiesSWIERK EDWARD R·Filed 2011·Granted Sep 8, 2015·56 cites·15 claims
- 1293US9374285B1Systems and methods for determining network topologiesBIG SWITCH NETWORKS INC·Filed 2013·Granted Jun 21, 2016·22 cites·15 claims
- 1393US8145718B1Secure messaging system with personalization informationKACKER RISHI R·Filed 2006·Granted Mar 27, 2012·53 cites·20 claims
- 1492US7698745B2Secure message system with remote decryption serviceVOLTAGE SECURITY INC·Filed 2007·Granted Apr 13, 2010·22 cites·20 claims
- 1592US7580521B1Identity-based-encryption system with hidden public key attributesVOLTAGE SECURITY INC·Filed 2003·Granted Aug 25, 2009·73 cites·28 claims
- 1692US7266847B2Secure message system with remote decryption serviceVOLTAGE SECURITY INC·Filed 2003·Granted Sep 4, 2007·66 cites·21 claims
- 1791US7103911B2Identity-based-encryption system with district policy informationVOLTAGE SECURITY INC·Filed 2003·Granted Sep 5, 2006·84 cites·21 claims
- 1890US7017181B2Identity-based-encryption messaging system with public parameter host serversVOLTAGE SECURITY INC·Filed 2003·Granted Mar 21, 2006·61 cites·23 claims
- 1989US8068612B2Security device for cryptographic communicationsAPPENZELLER GUIDO·Filed 2008·Granted Nov 29, 2011·16 cites·7 claims
- 2088US7571321B2Identity-based-encryption messaging systemVOLTAGE SECURITY INC·Filed 2003·Granted Aug 4, 2009·48 cites·16 claims
- 2187US8429232B1Message authentication using signaturesAPPENZELLER GUIDO·Filed 2004·Granted Apr 23, 2013·49 cites·3 claims
- 2286US7831829B2Identity-based encryption systemVOLTAGE SECURITY INC·Filed 2008·Granted Nov 9, 2010·11 cites·15 claims
- 2385US7523314B2Identity-based-encryption message management systemVOLTAGE SECURITY INC·Filed 2003·Granted Apr 21, 2009·29 cites·2 claims
- 2485US7370202B2Security device for cryptographic communicationsVOLTAGE SECURITY INC·Filed 2004·Granted May 6, 2008·38 cites·2 claims
- 2584US8353023B2Identity-based-encryption message management systemVOLTAGE SECURITY INC·Filed 2011·Granted Jan 8, 2013·5 cites·19 claims
- 2684US7685414B1Subscription management service for secure messaging systemVOLTAGE SECURITY INC·Filed 2004·Granted Mar 23, 2010·39 cites·6 claims
- 2783US8996485B1Web site verification serviceKRISHNAMURTHY SATHVIK·Filed 2005·Granted Mar 31, 2015·18 cites·17 claims
- 2883US8416796B2Systems and methods for managing virtual switchesFORSTER R KYLE·Filed 2011·Granted Apr 9, 2013·12 cites·20 claims
- 2983US7424614B2Identity-based encryption systemVOLTAGE SECURITY INC·Filed 2005·Granted Sep 9, 2008·9 cites·8 claims
- 3082US7412059B1Public-key encryption systemVOLTAGE SECURITY INC·Filed 2002·Granted Aug 12, 2008·35 cites·22 claims
- 3180US9413614B1Systems and methods for determining network topologiesBIG SWITCH NETWORKS INC·Filed 2015·Granted Aug 9, 2016·3 cites·20 claims
- 3280US8756289B1Message authentication using signaturesAPPENZELLER GUIDO·Filed 2012·Granted Jun 17, 2014·5 cites·20 claims
- 3379US7624269B2Secure messaging system with derived keysVOLTAGE SECURITY INC·Filed 2004·Granted Nov 24, 2009·27 cites·8 claims
- 3477US9185056B2System and methods for controlling network traffic through virtual switchesADAMS ROBERT EDWARD·Filed 2011·Granted Nov 10, 2015·5 cites·25 claims
- 3576US7765582B2Identity-based-encryption messaging system with public parameter host serversVOLTAGE SECURITY INC·Filed 2005·Granted Jul 27, 2010·6 cites·11 claims
- 3675US8301889B1Secure messaging systemsPAUKER MATTHEW J·Filed 2011·Granted Oct 30, 2012·3 cites·11 claims
- 3775US8171563B2Secure message system with remote decryption servicePAUKER MATTHEW J·Filed 2010·Granted May 1, 2012·3 cites·20 claims
- 3873US9749301B2Cryptographic web serviceVOLTAGE SECURITY INC·Filed 2015·Granted Aug 29, 2017·2 cites·9 claims
- 3973US8041953B2Identity-based-encryption message management systemVOLTAGE SECURITY INC·Filed 2009·Granted Oct 18, 2011·3 cites·5 claims
- 4069US8086857B2Identity-based-encryption messaging systemAPPENZELLER GUIDO·Filed 2009·Granted Dec 27, 2011·3 cites·11 claims
- 4166US9654380B1Systems and methods for determining network topologiesBIG SWITCH NETWORKS INC·Filed 2015·Granted May 16, 2017·1 cites·5 claims
- 4265US8024769B2Identity-based encryption system for secure data distributionVOLTAGE SECURITY INC·Filed 2005·Granted Sep 20, 2011·2 cites·14 claims
- 4354US2013121486A1Identity-based-encryption message management systemVOLTAGE SECURITY INC·Filed 2013·Application pending·0 cites
- 4451US2008178010A1Cryptographic web serviceVATERLAUS ROBERT K·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →