Martti Yrjana

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Patents Grantslast 30 patents

Information Patent Grant
Procedure for scanning or disconnecting a module line in a V5.2 acc...
- Patent number 6,711,175
- Issue date Mar 23, 2004
- Nokia Corporation
- Jaakko Rautiainen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Procedure for determining register recall filtering times in a tele...
- Patent number 6,671,282
- Issue date Dec 30, 2003
- Nokia Corporation
- Kari Haapalehto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for concentrating subscribers in a local exchange
- Patent number 6,466,665
- Issue date Oct 15, 2002
- Nokia Networks Oy
- Seppo Kuorelahti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for concentrating subscribers in a telephone network
- Patent number 6,424,708
- Issue date Jul 23, 2002
- Nokia Network Oy
- Seppo Kuorelahti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Procedure and system for ensuring emergency communication
- Patent number 6,370,232
- Issue date Apr 9, 2002
- Nokia Netwlrks Oy
- Martti Yrjana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Procedure and system for ensuring emergency communication
- Patent number 6,069,948
- Issue date May 30, 2000
- Nokia Telecommunications Oy
- Martti Yrjana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ISDN monitoring
- Publication number 20030039265
- Publication date Feb 27, 2003
- Martti Yrjana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for allocation of resources in a telephone exchange system c...
- Publication number 20030002469
- Publication date Jan 2, 2003
- Timo Juntunen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE