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Dirk Westhoff
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Hirschberg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for managing data in a wireless sensor network
Patent number
8,510,550
Issue date
Aug 13, 2013
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for aggregating data in a network
Patent number
8,295,491
Issue date
Oct 23, 2012
NEC Europe Ltd.
Frederik Armknecht
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for authentication of elements of a group
Patent number
8,024,573
Issue date
Sep 20, 2011
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for electing aggregator nodes in a network
Patent number
7,907,548
Issue date
Mar 15, 2011
NEC Europe Ltd.
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for distributing keys for encrypted data transmission in a p...
Patent number
7,702,905
Issue date
Apr 20, 2010
NEC Corporation
Joao Girao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of transmitting data in a network
Patent number
7,609,838
Issue date
Oct 27, 2009
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low cost packet originator verification for intermediate nodes
Patent number
7,343,489
Issue date
Mar 11, 2008
NEC Corporation
Dirk Westhoff
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR AGGREGATING INFORMATION VALUES IN A NETWORK
Publication number
20110154016
Publication date
Jun 23, 2011
NEC EUROPE LTD.
Saverio Niccolini
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR AGGREGATING DATA IN A NETWORK
Publication number
20100135494
Publication date
Jun 3, 2010
NEC EUROPE, LTD.
Frederik Armknecht
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR ELECTING AGGREGATOR NODES IN A NETWORK
Publication number
20100098090
Publication date
Apr 22, 2010
NEC EUROPE LTD.
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESS FOR ESTABLISHING A SECRET KEY
Publication number
20090282249
Publication date
Nov 12, 2009
NEC EUROPE LTD.
Frederik Aamknecht
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for managing data in a wireless sensor network
Publication number
20070171050
Publication date
Jul 26, 2007
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for distributing keys for encrypted data transmission in a p...
Publication number
20070078817
Publication date
Apr 5, 2007
NEC Corporation
Joao Girao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for authentication
Publication number
20070067631
Publication date
Mar 22, 2007
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for authentication of elements of a group
Publication number
20060075248
Publication date
Apr 6, 2006
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of monitoring and protecting a private network against attac...
Publication number
20050251859
Publication date
Nov 10, 2005
NEC Corporation
Juergen Quittek
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of performing charging and rewarding processes in ad hoc net...
Publication number
20050220101
Publication date
Oct 6, 2005
NEC Corporation
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of transmitting data in a network
Publication number
20050220306
Publication date
Oct 6, 2005
NEC CORPORATION
Dirk Westhoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low cost packet originator verification for intermediate nodes
Publication number
20030093687
Publication date
May 15, 2003
Dirk Westhoff
G06 - COMPUTING CALCULATING COUNTING