Pekka Korhonen

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Oulu, FI

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Patents Grantslast 30 patents

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