Inventor
APPENZELLER GUIDO
US42 patents
⚠️ This page may combine multiple inventors who share the name “APPENZELLER GUIDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOLTAGE SECURITY INC
25 patentsUS7921292B1Apr 5, 2011
Secure messaging systems
VOLTAGE SECURITY INC134 citations99
US7003117B2Feb 21, 2006
Identity-based encryption system for secure data distribution
VOLTAGE SECURITY INC187 citations99
US6886096B2Apr 26, 2005
Identity-based encryption system
VOLTAGE SECURITY INC193 citations99
US7769820B1Aug 3, 2010
Universal resource locator verification services using web site attributes
VOLTAGE SECURITY INC74 citations98
US7698442B1Apr 13, 2010
Server-based universal resource locator verification service
VOLTAGE SECURITY INC216 citations98
US7580521B1Aug 25, 2009
Identity-based-encryption system with hidden public key attributes
VOLTAGE SECURITY INC73 citations98
US7266847B2Sep 4, 2007
Secure message system with remote decryption service
VOLTAGE SECURITY INC66 citations97
US7103911B2Sep 5, 2006
Identity-based-encryption system with district policy information
VOLTAGE SECURITY INC84 citations97
US7571321B2Aug 4, 2009
Identity-based-encryption messaging system
VOLTAGE SECURITY INC48 citations96
US7017181B2Mar 21, 2006
Identity-based-encryption messaging system with public parameter host servers
VOLTAGE SECURITY INC61 citations96
US7961879B1Jun 14, 2011
Identity-based-encryption system with hidden public key attributes
VOLTAGE SECURITY INC34 citations93
US7685414B1Mar 23, 2010
Subscription management service for secure messaging system
VOLTAGE SECURITY INC39 citations93
US7523314B2Apr 21, 2009
Identity-based-encryption message management system
VOLTAGE SECURITY INC29 citations93
US7698745B2Apr 13, 2010
Secure message system with remote decryption service
VOLTAGE SECURITY INC22 citations92
US7624269B2Nov 24, 2009
Secure messaging system with derived keys
VOLTAGE SECURITY INC27 citations92
US7412059B1Aug 12, 2008
Public-key encryption system
VOLTAGE SECURITY INC35 citations92
US7370202B2May 6, 2008
Security device for cryptographic communications
VOLTAGE SECURITY INC38 citations92
US8627084B1Jan 7, 2014
Secure messaging systems
VOLTAGE SECURITY INC23 citations90
US8353023B2Jan 8, 2013
Identity-based-encryption message management system
VOLTAGE SECURITY INC5 citations84
US7831829B2Nov 9, 2010
Identity-based encryption system
VOLTAGE SECURITY INC11 citations84
US7424614B2Sep 9, 2008
Identity-based encryption system
VOLTAGE SECURITY INC9 citations84
US7765582B2Jul 27, 2010
Identity-based-encryption messaging system with public parameter host servers
VOLTAGE SECURITY INC6 citations73
US9749301B2Aug 29, 2017
Cryptographic web service
VOLTAGE SECURITY INC2 citations72
US8041953B2Oct 18, 2011
Identity-based-encryption message management system
VOLTAGE SECURITY INC3 citations63
US8024769B2Sep 20, 2011
Identity-based encryption system for secure data distribution
VOLTAGE SECURITY INC2 citations63
APPENZELLER GUIDO
5 patentsUS9001827B2Apr 7, 2015
Methods for configuring network switches
APPENZELLER GUIDO57 citations97
US8429232B1Apr 23, 2013
Message authentication using signatures
APPENZELLER GUIDO49 citations95
US8068612B2Nov 29, 2011
Security device for cryptographic communications
APPENZELLER GUIDO16 citations92
US8756289B1Jun 17, 2014
Message authentication using signatures
APPENZELLER GUIDO5 citations81
US8086857B2Dec 27, 2011
Identity-based-encryption messaging system
APPENZELLER GUIDO3 citations62
BIG SWITCH NETWORKS INC
3 patentsUS9374285B1Jun 21, 2016
Systems and methods for determining network topologies
BIG SWITCH NETWORKS INC22 citations91
US9413614B1Aug 9, 2016
Systems and methods for determining network topologies
BIG SWITCH NETWORKS INC3 citations71
US9654380B1May 16, 2017
Systems and methods for determining network topologies
BIG SWITCH NETWORKS INC1 citations61