Inventor

Thomas P. Hardjono

Inventor

Winchester, MA, US

Overview

2000–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 35 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 communication69%

G06FElectric digital data processing8%

H04NPictorial communication, e.g. television6%

H04BTransmission4%

H04JMultiplex communication4%

H04QSelecting4%

H04WWireless communication networks4%

PatentTitleYear

10,990,584Establishing decentralized identifiers for algorithms, data schemas, data sets, and algorithm execution requests2021 9,225,417'Managing alternate site switching in an optical communication system'2015 9,191,688'Television delivery system'2015 8,966,100'System, device, and method for distributing access control information in a communication system'2015 8,789,087'System, device, and method for receiver access control in an internet television system'2014 8,370,507'System, device, and method for receiver access control in an internet television'2013 8,327,131'Method and system to issue trust score certificates for networked devices using a trust scoring service'2012 8,266,676'Method to verify the integrity of components on a trusted platform using integrity database services'2012 8,230,010'System, device, and method for controlling access in a multicast communication network'2012 8,139,588'Method and apparatus to establish routes based on the trust scores of routers within an IP routing domain'2012 7,738,359'System, device, and method for managing alternate site switching in an optical communication system'2010 7,733,804'Method and apparatus to establish routes based on the trust scores of routers within an IP routing domain'2010 7,573,881'System, device, and method for receiver access control in a multicast communication system'2009 7,539,313'System and method for key management across geographic domains'2009 7,454,518'System, device, and method for receiver access control in a multicast communication network'2008 7,360,084'System, device, and method for controlling access in a multicast communication network'2008 6,993,138'Spatial key trees for key management in wireless environments'2006 6,963,573'System, device, and method for receiver access control in a multicast communication system'2005 6,952,740'Apparatus and method of maintaining a route table'2005 6,950,932'Security association mediator for java-enabled devices'2005 6,842,449'Method and system for registering and automatically retrieving digital-certificates in voice over internet protocol (VOIP) communications'2005 6,813,714'Multicast conference security architecture'2004 6,785,809'Server group key for distributed group key management'2004 6,738,900'Method and apparatus for distributing public key certificates'2004 6,725,276'Apparatus and method for authenticating messages transmitted across different multicast domains'2004 6,643,773'Apparatus and method for authenticating messages in a multicast'2003 6,587,943'Apparatus and method for limiting unauthorized access to a network multicast'2003 6,584,566'Distributed group key management for multicast security'2003 6,564,325'Method of and apparatus for providing multi-level security access to system'2003 6,557,044'Method and apparatus for exchange of routing database information'2003 6,425,004'Detecting and locating a misbehaving device in a network domain'2002 6,363,481'Method and apparatus for secure data storage using distributed databases'2002 6,301,662'Authentication of routing data using variable output length one-way functions'2001 6,182,214'Exchanging a secret over an unreliable network'2001 6,115,699'System for mediating delivery of a document between two network sites'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2005Based in Arlington, MA, US· patent location history

2002–2010Patents assigned to NORTEL NETWORKS LTD (20)· patent assignee history

2003–2004Based in Arlinton, MA, US· patent location history

2003Based in Billerica, MA, US· patent location history

2005–2021Based in Winchester, MA, US· patent location history

2010–2012Based in Portland, OR, US· patent location history

2012Patents assigned to ANDERSEN BRADLEY DOUGLAS (3)· patent assignee history

2012Patents assigned to BLECKMANN DAVID MAURITS (3)· patent assignee history

2012–2015Patents assigned to CAIN BRADLEY (3)· patent assignee history

2012–2015Patents assigned to HARDJONO THOMAS P (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NORTEL NETWORKS LTD	20	2002–2010
ANDERSEN BRADLEY DOUGLAS	3	2012
BLECKMANN DAVID MAURITS	3	2012
CAIN BRADLEY	3	2012–2015
HARDJONO THOMAS Pself	3	2012–2015

Locations

Location	Patents	Span
Winchester, Massachusetts, US	15	2005–2021
Arlington, Massachusetts, US	13	2000–2005
Portland, OR, US	4	2010–2012
Arlinton, Massachusetts, US	2	2003–2004
Billerica, Massachusetts, US	1	2003