Ritva Siren

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for encapsulation based session initiation prot...
- Patent number 8,090,858
- Issue date Jan 3, 2012
- Nokia Siemens Networks Oy
- Petteri Pöyhönen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for establishing an Internet Protocol connection...
- Patent number 7,599,374
- Issue date Oct 6, 2009
- Nokia Corporation
- Petteri Pöyhönen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for service naming and related directory structur...
- Patent number 7,305,252
- Issue date Dec 4, 2007
- Nokia Corporation
- Lysaa Britt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
End-to-end location privacy in telecommunications networks
- Patent number 6,999,437
- Issue date Feb 14, 2006
- Nokia Corporation
- Govindarajan Krishnamurthi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resource allocating and service providing over a wireless network
- Patent number 6,763,236
- Issue date Jul 13, 2004
- Nokia Mobile Phones, Ltd.
- Ritva Sirén
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Systems and methods for encapsulation based session initiation prot...
- Publication number 20060078096
- Publication date Apr 13, 2006
- Nokia Corporation
- Petteri Poyhonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for establishing an internet protocol connection...
- Publication number 20050201370
- Publication date Sep 15, 2005
- Nokia Corporation
- Petteri Poyhonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for service naming and related directory structur...
- Publication number 20050124382
- Publication date Jun 9, 2005
- Nokia Corporation
- Lysaa Britt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic field completion in capacity-constrained media
- Publication number 20050086065
- Publication date Apr 21, 2005
- Nokia Corporation
- Jean-Francois Maion
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
End-to-end location privacy in telecommunications networks
- Publication number 20040114558
- Publication date Jun 17, 2004
- Nokia Corporation
- Govindarajan Krishnamurthi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resource allocating and service providing over a wireless network
- Publication number 20020006801
- Publication date Jan 17, 2002
- Ritva Siren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE