LexDanaLexDanabeta
Inventor

Liqun Chen

Inventor
Bristol, GB

Overview

77→
Patents
2006–2020
Patent span
Physics
Primary field (CPC G)

Patents· 77 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 communication42%
G06FElectric digital data processing38%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
H04WWireless communication networks3%
G09CCiphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy2%
G06KGraphical data reading2%
G11BInformation storage based on relative movement between record carrier and transducer2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices1%
G06TImage data processing or generation, in general1%
G06VImage or video recognition or understanding1%
PatentTitleYear
10,848,305Key generation information trees202010,742,400Datastream block encryption202010,721,062Utilizing error correction for secure secret sharing202010,715,332Encryption for transactions in a memory fabric202010,699,031Secure transactions in a memory fabric202010,686,589Combining hashes of data blocks202010,686,612Cryptographic data202010,650,169Secure memory systems202010,389,518Blockchain hash value recomputation201910,374,807Storing and retrieving ciphertext in data storage201910,027,481Management of cryptographic keys20189,853,816Credential validation20179,798,888'Data management'20179,709,896'Illumination system for lithographic projection exposure step-and-scan apparatus'20179,703,606'Workflow termination detection and workflow recovery'20179,628,516'Policy-based data management'20179,361,462'Associating a signing key with a software component of a computing platform'20169,292,715'Shared secret used between keyboard and application'20169,268,968'Credential validation'20169,203,621'Policy-based data management'20159,064,129'Managing data'20158,930,704'Digital signature method and system'20158,868,910'Elliptic curve cryptographic signature'20148,850,212'Extending an integrity measurement'20148,812,845'Authentication method'20148,775,395'Managing document workflow'20148,732,481'Object with identity based encryption'20148,689,000'Use of certified secrets in communication'20148,670,568'Methods and systems for utilizing cryptographic functions of a cryptographic co-processor'20148,589,679'Identifier-based signcryption with two trusted authorities'20138,566,615'Document management system and method'20138,510,789'Data output method, system and apparatus'20138,499,149'Revocation for direct anonymous attestation'20138,464,058'Password-based cryptographic method and apparatus'20138,407,092'Metering in a data processing system'20138,381,267'Method of processing information to be confidentially transmitted'20138,364,729'Document management system and method'20138,352,736'Authentication method'20138,341,429'Data transfer device'20128,261,332'Establishing a trust relationship between computing entities'20128,225,098'Direct anonymous attestation using bilinear maps'20128,204,214'Method and system for generating data transaction ID'20128,015,369'Updating data entries stored on a data storage unit from an authority'20118,001,016'Pharmaceutical product packaging'20117,986,786'Methods and systems for utilizing cryptographic functions of a cryptographic co-processor'20117,986,778'Cryptographic method and apparatus'20117,929,691'Use of bilinear mappings in cryptographic applications'20117,904,730'System for providing a trustworthy user interface'20117,864,958'Quantum key distribution method and apparatus'20117,865,876'Multiple trusted computing environments'20117,818,587'Data transfer system encrypting data with information unique to a removable data storage item'20107,801,302'Cryptographic method and apparatus'20107,779,267'Method and apparatus for using a secret in a distributed computing system'20107,693,279'Security method and apparatus using biometric data'20107,685,125'Proving relationships between data'20107,676,677'Digital signature method and apparatus'20107,650,494'Method and apparatus for use in relation to verifying an association between two parties'20107,650,498'Secure data provision method and apparatus and data recovery method and system'20107,574,596'Cryptographic method and apparatus'20097,526,785'Trusted computing platform for restricting use of data'20097,516,321'Method, system and device for enabling delegation of authority and access control methods based on delegated authority'20097,444,601'Trusted computing platform'20087,437,568'Apparatus and method for establishing trust'20087,430,668'Protection of the configuration of modules in computing apparatus'20087,397,917'Method and apparatus for generating a cryptographic key'20087,382,877'RSA cryptographic method and system'20087,380,138'Cryptographic method and apparatus'20087,305,093'Method and apparatus for securely transferring data'20077,302,585'System for providing a trustworthy user interface'20077,290,006'Document representation for scalable structure'20077,275,160'Trusted system'20077,263,191'Method and apparatus for encrypting data'20077,260,261'Systems and methods for enhanced image adaptation'20077,096,204'Electronic commerce system'20067,076,655'Multiple trusted computing environments with verifiable environment identities'20067,069,439'Computing apparatus and methods using secure authentication arrangements'20066,988,250'Trusted computing platform using a trusted device assembly'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (57)· patent assignee history
2006–2020Based in Bristol, GB· patent location history
2006–2010Based in Bradley Stoke, GB· patent location history
2007Based in Jiangxi, CN· patent location history
2010Based in Stoke Gifford, GB· patent location history
2012–2020Patents assigned to CHEN LIQUN (27)· patent assignee history
2013–2017Patents assigned to SIMSKE STEVEN J (5)· patent assignee history
2014–2016Patents assigned to PROUDLER GRAEME JOHN (4)· patent assignee history
2016–2020Patents assigned to HEWLETT PACKARD ENTPR DEV LP (15)· patent assignee history
2020Based in Down, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD DEVELOPMENT CO572006–2020
CHEN LIQUNself272012–2020
HEWLETT PACKARD ENTPR DEV LP152016–2020
SIMSKE STEVEN J52013–2017
PROUDLER GRAEME JOHN42014–2016
Locations
LocationPatentsSpan
Bristol, GB672006–2020
Bradley Stoke, GB42006–2010
Stoke Gifford, GB22010
Jiangxi, CN22007
Down, GB12020