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Inventor

Clifford E. Kahn

Inventor
Westford, MA, US

Overview

18→
Patents
1993–2018
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G06Fprimary
G06FElectric digital data processing62%
H04LTransmission of digital information, e.g. telegraphic communication27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
PatentTitleYear
10,075,432Updating stored passwords20189,848,006Detecting past intrusions and attacks based on historical network traffic information20179,485,262'Detecting past intrusions and attacks based on historical network traffic information'20169,401,913'Updating stored passwords'20169,001,999'Updating stored passwords'20158,478,797'Atomic deletion of database data categories'20138,312,540'System for slowing password attacks'20128,290,991'Atomic deletion of database data categories'20128,214,411'Atomic deletion of database data categories'20128,094,812'Updating stored passwords'20127,185,192'Methods and apparatus for controlling access to a resource'20077,036,022'Verification of trusted-path commands'20067,032,186'Methods and apparatus for representing resources in a computing system environment'20066,871,283'Processing trusted commands in trusted and untrusted environments'20056,507,909'Method for executing trusted-path commands'20035,826,254'System for selectively browsing a large, distributed directory tree using authentication links'19985,339,449'System and method for reducing storage channels in disk systems'19945,220,661'System and method for reducing timing channels in digital data processing systems'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1998Patents assigned to DIGITAL EQUIPMENT CORP (3)· patent assignee history
1993–2006Based in Framingham, MA, US· patent location history
1998–2012Based in Lexington, MA, US· patent location history
2012–2017Patents assigned to JUNIPER NETWORKS INC (7)· patent assignee history
2012–2015Patents assigned to CHICKERING ROGER A (6)· patent assignee history
2012–2015Patents assigned to KAHN CLIFFORD E (6)· patent assignee history
2012–2018Based in Westford, MA, US· patent location history
2015–2018Patents assigned to PULSE SECURE LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JUNIPER NETWORKS INC72012–2017
CHICKERING ROGER A62012–2015
KAHN CLIFFORD Eself62012–2015
DIGITAL EQUIPMENT CORP31993–1998
PULSE SECURE LLC32015–2018
Locations
LocationPatentsSpan
Westford, Massachusetts, US92012–2018
Framingham, Massachusetts, US51993–2006
Lexington, Massachusetts, US41998–2012