Inventor

Eric J. Sprunk

Inventor

Carlsbad, CA, US

Overview

1995–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 57 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication44%

H04NPictorial communication, e.g. television21%

G06FElectric digital data processing20%

H04WWireless communication networks4%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%

G11BInformation storage based on relative movement between record carrier and transducer2%

G01RMeasuring electric variables1%

G06JHybrid computing arrangements1%

G07FCoin-freed or like apparatus1%

G11CStatic stores1%

PatentTitleYear

11,005,656Embedding information in elliptic curve base point2021 10,958,433Origin certificate based online certificate issuance2021 10,862,683Implicit RSA certificates2020 10,498,540Efficient encrypted software distribution mechanism2019 9,912,771'Real time key collection in device provisioning'2018 9,912,485'Method and apparatus for embedding secret information in digital certificates'2018 9,485,230'Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC)'2016 9,210,138'Efficient key generator for distribution of sensitive material from multiple application service providers to a secure element such as a universal integrated circuit card (UICC)'2015 9,197,910'Business method including handshake protocol to control actors and functions to propagate acceptance of an IP license to securely authenticate software application program interfaces (APIs)'2015 9,172,981'Challenge-response cable set-top-box system to securely authenticate software application program interfaces (APIs)'2015 9,130,928'Online secure device provisioning framework'2015 9,027,159'Handshake protocol to control actors and functions in a cable set-top-box system to propagate acceptance of an IP license to securely authenticate software application program interfaces (APIs)'2015 8,973,025'Method and system for providing security within multiple set-top boxes assigned for a single customer'2015 8,904,424'Object and resource security system'2014 8,761,401'System and method for secure key distribution to manufactured products'2014 8,687,806'Conditional access system employing constrained encryption keys'2014 8,589,674'Revocation list update for devices'2013 8,544,077'Internet protocol telephony security architecture'2013 8,479,020'Method and apparatus for providing an asymmetric encrypted cookie for product data storage'2013 8,392,702'Token-based management system for PKI personalization process'2013 8,356,314'Object and resource security system'2013 8,321,663'Enhanced authorization process using digital signatures'2012 8,166,292'Configurable encryption/decryption for multiple services support'2012 8,156,560'Method and apparatus for providing a border guard between security domains'2012 8,068,610'Method and system for providing security within multiple set-top boxes assigned for a single customer'2011 7,929,701'Multiple level public key hierarchy for performance and high security'2011 7,929,483'Method and apparatus for providing a secure system time'2011 7,877,600'Method and apparatus for distributing root certification'2011 7,787,622'Efficient distribution of encrypted content for multiple content access systems'2010 7,764,793'Method to leverage a secure device to grant trust and identity to a second device'2010 7,672,452'Secure scan'2010 7,660,986'Secure control of security mode'2010 7,607,022'Configurable encryption/decryption for multiple services support'2009 7,568,223'Internet protocol telephony security architecture'2009 7,486,792'Terrestrial broadcast copy protection system for digital television'2009 7,450,717'Self authentication ciphertext chaining'2008 7,404,082'System and method for providing authorized access to digital content'2008 7,305,555'Smart card mating protocol'2007 7,243,366'Key management protocol and authentication system for secure internet protocol rights management architecture'2007 7,150,035'Path sealed software object conditional access control'2006 7,058,609'Pay by time system for content delivery to media playback systems'2006 6,961,427'Methods and apparatus for keystream generation'2005 6,959,089'Method and apparatus for secure transmission of data'2005 6,898,285'System to deliver encrypted access control information to support interoperability between digital information processing/control equipment'2005 6,839,841'Self-generation of certificates using secure microprocessor in a device for transferring digital information'2005 6,810,525'Impulse pay per use method and system for data and multimedia services'2004 6,804,782'Countermeasure to power attack and timing attack on cryptographic operations'2004 6,711,684'Variable security code download for an embedded processor'2004 6,424,713'Cryptographic system with concealed work factor'2002 6,253,223'Robust random number generator'2001 6,061,449'Secure processor with external memory using block chaining and block re-ordering'2000 5,822,431'Virtual authentication network for secure processors'1998 5,754,659'Generation of cryptographic signatures using hash keys'1998 5,606,616'Cryptographic apparatus with double feedforward hash function'1997 5,509,076'Apparatus for securing the integrity of a functioning system'1996 5,473,693'Apparatus for avoiding complementarity in an encryption algorithm'1995 5,404,402'Clock frequency modulation for secure microprocessors'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2021Based in Carlsbad, CA, US· patent location history

1996–2015Patents assigned to GEN INSTRUMENT CORP (39)· patent assignee history

2012–2015Patents assigned to SPRUNK ERIC J (8)· patent assignee history

2012–2015Patents assigned to MEDVINSKY ALEXANDER (5)· patent assignee history

2013–2014Patents assigned to MOTOROLA MOBILITY LLC (5)· patent assignee history

2018–2021Patents assigned to ARRIS ENTPR LLC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN INSTRUMENT CORP	39	1996–2015
SPRUNK ERIC Jself	8	2012–2015
ARRIS ENTPR LLC	5	2018–2021
MEDVINSKY ALEXANDER	5	2012–2015
MOTOROLA MOBILITY LLC	5	2013–2014

Locations

Location	Patents	Span
Carlsbad, California, US	57	1995–2021