Piotr Cofta

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Patents Grantslast 30 patents

Information Patent Grant
Key storage administration
- Patent number 8,301,911
- Issue date Oct 30, 2012
- Nokia Corporation
- Lauri Paatero
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Trusted signature with key access permissions
- Patent number 7,853,793
- Issue date Dec 14, 2010
- Piotr Cofta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and a device for providing digital tickets in a mobile commu...
- Patent number 7,555,284
- Issue date Jun 30, 2009
- Nokia Corporation
- Zheng Yan
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Trusted signature with key access permissions
- Publication number 20050246539
- Publication date Nov 3, 2005
- Nolia Corporation
- Piotr Cofta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and a device for providing digital tickets in a mobile commu...
- Publication number 20050240484
- Publication date Oct 27, 2005
- Zheng Yan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Key storage administration
- Publication number 20050044375
- Publication date Feb 24, 2005
- Nokia Corporation
- Lauri Paatero
- G06 - COMPUTING CALCULATING COUNTING