Inventor · disambiguated record
Robert Callaghan
Also filed as: CALLAGHAN ROBERT · CALLAGHAN ROBERT W
4 granted patents·1 pending application·21 citations·filing 1999–2003
72Inventor score
Top patents by PatentIndex Score
5 records- 0161US6882722B2Virtual private communications networkSIEMENS COMM INC·Filed 2003·Granted Apr 19, 2005·7 cites·23 claims
- 0257US7203298B2Call completion services for hybrid public/private communications networksSIEMENS COMM INC·Filed 2003·Granted Apr 10, 2007·4 cites·35 claims
- 0348US7496924B2Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBXSIEMENS COMM INC·Filed 2000·Granted Feb 24, 2009·2 cites·15 claims
- 0439US2004001518A1System and method for emulating ringback transparentlySIEMENS INFORMATION·Filed 2002·Application pending·0 cites
- 0534US6904041B1System and method for communication domains and subdomains in zones of real time communication systemsSIEMENS COMM INC·Filed 1999·Granted Jun 7, 2005·8 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →