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Patent applications and USPTO patent grants for Halkosaari; Matti.The latest application filed is for "cost negotiation for communication sessions".
Patent | Date |
---|---|
System and method for charging in a communications network and a communications network charging server Grant 8,090,652 - Hakala , et al. January 3, 2 | 2012-01-03 |
Cost negotiation for communication sessions Grant 7,362,853 - Halkosaari April 22, 2 | 2008-04-22 |
Cost control management in telecommunication systems Grant 7,200,381 - Halkosaari , et al. April 3, 2 | 2007-04-03 |
Cost negotiation for communication sessions App 20060056607 - Halkosaari; Matti | 2006-03-16 |
System and method for charging in a communications network and a communications network charging server App 20040247100 - Hakala, Harri ;   et al. | 2004-12-09 |
Call charges in a telecommunications network Grant 6,654,599 - Lundstrom , et al. November 25, 2 | 2003-11-25 |
Cost control management in telecommunication systems App 20010049656 - Halkosaari, Matti ;   et al. | 2001-12-06 |
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