Inventor
Zulfikar Ramzan
Inventor
San Mateo, CA, US
Overview
Patents· 67 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 communication48%
G06FElectric digital data processing41%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
H04WWireless communication networks2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
G06NComputing arrangements based on specific computational models1%
G11BInformation storage based on relative movement between record carrier and transducer1%
H03MCoding1%
H04HBroadcast communication1%
H04NPictorial communication, e.g. television1%
PatentTitleYear
11,128,638Location assurance using location indicators modified by shared secrets202111,025,658Generating summaries of messages associated with assets in an enterprise system202110,999,311Risk score generation for assets of an enterprise system utilizing user authentication activity202110,938,847Automated determination of relative asset importance in an enterprise system202110,860,626Addressable array indexing data structure for efficient query operations202010,437,997Method and apparatus for retroactively detecting malicious or otherwise undesirable software as well as clean software through intelligent rescanning20199,747,445'Method and apparatus for retroactively detecting malicious or otherwise undesirable software as well as clean software through intelligent rescanning'20179,639,697'Method and apparatus for retroactively detecting malicious or otherwise undesirable software'20179,465,921'Systems and methods for selectively authenticating queries based on an authentication policy'20169,245,120'Method and apparatus for retroactively detecting malicious or otherwise undesirable software as well as clean software through intelligent rescanning'20169,081,958'Using confidence about user intent in a reputation system'20159,071,598'Cryptographic authentication and/or establishment of shared cryptographic keys, including, but not limited to, password authenticated key exchange (PAKE)'20159,038,186'Malware detection using file names'20158,997,190'Using metadata in security tokens to prevent coordinated gaming in a reputation system'20158,977,764'Profiling application usage from application streaming'20158,978,137'Method and apparatus for retroactively detecting malicious or otherwise undesirable software'20158,869,269'Method and apparatus for identifying domain name abuse'20148,856,937'Methods and systems for identifying fraudulent websites'20148,850,570'Filter-based identification of malicious websites'20148,824,677'Provably secure and efficient pseudorandom number generation'20148,806,046'Application streaming and network file system optimization via integration with identity management solutions'20148,800,030'Individualized time-to-live for reputation scores of computer files'20148,799,494'Application streaming proactive failover'20148,707,426'Method and apparatus for resolving a cousin domain name to detect web-based fraud'20148,621,233'Malware detection using file names'20138,621,654'Using metadata in security tokens to prevent coordinated gaming in a reputation system'20138,572,007'Systems and methods for classifying unknown files/spam based on a user actions, a file\'s prevalence within a user community, and a predetermined prevalence threshold'20138,495,096'Decision tree induction that is sensitive to attribute computational complexity'20138,479,284'Referrer context identification for remote object links'20138,434,149'Method and apparatus for identifying web attacks'20138,412,952'Systems and methods for authenticating requests from a client running trialware through a proof of work protocol'20138,401,982'Using sequencing and timing information of behavior events in machine learning to detect malware'20138,341,737'Detecting fraudulent web sites through an obfuscated reporting mechanism'20128,321,664'Method and apparatus for efficient certificate revocation'20128,312,272'Secure authentication token management'20128,266,698'Using machine infection characteristics for behavior-based detection of malware'20128,256,015'Method and apparatus for authentication of data streams with adaptively controlled losses'20128,209,531'Revocation of cryptographic digital certificates'20128,190,647'Decision tree induction that is sensitive to attribute computational complexity'20128,156,327'Revocation of cryptographic digital certificates'20128,132,006'Cryptographic authentication and/or establishment of shared cryptographic keys, including, but not limited to, password authenticated key exchange (PAKE)'20128,103,875'Detecting email fraud through fingerprinting'20128,095,679'Predictive transmission of content for application streaming and network file systems'20128,065,332'Method and apparatus for communication efficient private information retrieval and oblivious transfer'20118,024,562'Revocation of cryptographic digital certificates'20118,006,086'Revocation of cryptographic digital certificates'20117,987,201'Method and apparatus for communication efficient private information retrieval and oblivious transfer'20117,975,308'Method and apparatus to secure user confidential data from untrusted browser extensions'20117,941,422'Method and apparatus for communication efficient private information retrieval and oblivious transfer'20117,840,994'Method and apparatus for efficient certificate revocation'20107,831,998'Changing states of communication links in computer networks in an authenticated manner'20107,818,570'Exclusive set system constructions including, but not limited to, applications to broadcast encryption and certificate revocation'20107,814,314'Revocation of cryptographic digital certificates'20107,814,320'Cryptographic authentication, and/or establishment of shared cryptographic keys, using a signing key encrypted with a non-one-time-pad encryption, including (but not limited to) techniques with improved security against malleability attacks'20107,783,579'Method and apparatus for secure and small credits for verifiable service provider metering'20107,747,857'Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates'20107,743,252'Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates'20107,730,319'Provisional signature schemes'20107,721,089'Broadcast encryption using RSA'20107,664,957'Digital signatures including identity-based aggregate signatures'20107,620,625'Method and apparatus for communication efficient private information retrieval and oblivious transfer'20097,620,606'Method and apparatus for secure and small credits for verifiable service provider metering'20097,523,304'Generation of set coverings with free riders, and generation of ordered sets of meeting points, in systems which include, but are not limited to, systems for broadcast encryption and systems for certificate revocation'20097,315,941'Multi-certificate revocation using encrypted proof data for proving certificate\'s validity or invalidity'20087,266,692'Use of modular roots to perform authentication including, but not limited to, authentication of validity of digital certificates'20077,221,756'Constructions of variable input length cryptographic primitives for high efficiency and high security'20077,174,013'Efficient universal hashing method'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2015Patents assigned to NTT DOCOMO INC (27)· patent assignee history
2007–2019Based in San Mateo, CA, US· patent location history
2007Based in Malden, MA, US· patent location history
2007Based in Boston, MA, US· patent location history
2011–2016Patents assigned to SYMANTEC CORP (28)· patent assignee history
2011–2015Patents assigned to GENTRY CRAIG B (7)· patent assignee history
2012–2016Patents assigned to RAMZAN ZULFIKAR (25)· patent assignee history
2012–2015Patents assigned to SATISH SOURABH (11)· patent assignee history
2012–2016Based in Cupertino, CA, US· patent location history
2020–2021Based in Saratoga, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SYMANTEC CORP | 28 | 2011–2016 |
| NTT DOCOMO INC | 27 | 2007–2015 |
| RAMZAN ZULFIKARself | 25 | 2012–2016 |
| SATISH SOURABH | 11 | 2012–2015 |
| GENTRY CRAIG B | 7 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Mateo, California, US | 34 | 2007–2019 |
| Cupertino, California, US | 26 | 2012–2016 |
| Saratoga, California, US | 5 | 2020–2021 |
| Malden, Massachusetts, US | 1 | 2007 |
| Boston, Massachusetts, US | 1 | 2007 |