Inventor
KELLER RALF
DE196 patents
⚠️ This page may combine multiple inventors who share the name “KELLER RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ERICSSON TELEFON AB L M
26 patentsUS6496689B1Dec 17, 2002
Indication of charging information using the USSD mechanism
ERICSSON TELEFON AB L M110 citations95
US7996553B2Aug 9, 2011
Multi-user streaming
ERICSSON TELEFON AB L M26 citations93
US5943344AAug 24, 1999
Method and apparatus for formatting synchronous and asynchronous data
ERICSSON TELEFON AB L M65 citations92
US7180860B2Feb 20, 2007
Method and devices to provide a defined quality of service in a packet switched communication network
ERICSSON TELEFON AB L M30 citations90
US10506499B2Dec 10, 2019
Indication of packet based voice support in a mobile network with different radio access technologies
ERICSSON TELEFON AB L M16 citations85
US7606186B2Oct 20, 2009
Multicast in point-to-point packet-switched oriented networks
ERICSSON TELEFON AB L M19 citations84
US7515872B2Apr 7, 2009
Distributed Caching and Redistribution System and Method in a Wireless Data Network
ERICSSON TELEFON AB L M9 citations84
US7499466B2Mar 3, 2009
Multicast group management in telecommunication networks
ERICSSON TELEFON AB L M16 citations84
US7369541B2May 6, 2008
Multicast in a point-to point oriented packet-switched telecommunication network
ERICSSON TELEFON AB L M11 citations84
US9560517B2Jan 31, 2017
Method and apparatus for providing a service to a roaming UE via a packet data network gateway
ERICSSON TELEFON AB L M7 citations83
US7436788B2Oct 14, 2008
Dynamic frequency spectrum re-allocation
ERICSSON TELEFON AB L M18 citations83
US7558262B2Jul 7, 2009
Group hopping and channel zapping during transmission of multicast applications
ERICSSON TELEFON AB L M17 citations82
US7680109B2Mar 16, 2010
Mobile multipoint service
ERICSSON TELEFON AB L M17 citations77
US11438831B2Sep 6, 2022
Network slicing awareness in IP multimedia subsystem
ERICSSON TELEFON AB L M6 citations75
US11523307B2Dec 6, 2022
Network repository function in 5GC
ERICSSON TELEFON AB L M2 citations73
US11399315B2Jul 26, 2022
Efficient EPS fallback in a 5GS architecture
ERICSSON TELEFON AB L M2 citations73
US11337139B2May 17, 2022
Enforcement of service exemption on a per access network technology type
ERICSSON TELEFON AB L M5 citations73
US11323478B2May 3, 2022
User equipment containers and network slices
ERICSSON TELEFON AB L M3 citations73
US11277775B2Mar 15, 2022
Single radio voice call continuity for 5GC
ERICSSON TELEFON AB L M2 citations73
US11006309B2May 11, 2021
Network node, radio network node and methods performed therein
ERICSSON TELEFON AB L M4 citations73
US10966269B2Mar 30, 2021
Support of circuit switched service in a 5G core network
ERICSSON TELEFON AB L M5 citations73
US10863560B2Dec 8, 2020
First network node, receiving network node and methods performed therein
ERICSSON TELEFON AB L M2 citations73
US10757645B2Aug 25, 2020
Access control in communications network comprising slices
ERICSSON TELEFON AB L M1 citations73
US10652942B2May 12, 2020
Method and device for network initiated packet data unit, PDU, session establishment in a telecommunication network
ERICSSON TELEFON AB L M6 citations73
US9888409B2Feb 6, 2018
Session transfer in a communication network
ERICSSON TELEFON AB L M2 citations73
US9521590B2Dec 13, 2016
Multi-bearer connection control
ERICSSON TELEFON AB L M4 citations73
KELLER RALF
11 patentsUS9106664B2Aug 11, 2015
Method and apparatuses for maintaining service continuity to a centralization and continuity application server
KELLER RALF5 citations84
US8848666B2Sep 30, 2014
Handover of emergency calls from a circuit switched to a packet switched access network
KELLER RALF9 citations84
US8483182B1Jul 9, 2013
Single radio voice call continuity handover of calls with video media from a circuit switched access network
KELLER RALF10 citations84
US8229408B2Jul 24, 2012
System and method for selecting a subsystem for call termination
KELLER RALF7 citations84
US8671201B2Mar 11, 2014
Correlation of sessions in case of session transfer in IMS domain
KELLER RALF9 citations83
US8964961B2Feb 24, 2015
Method of routing a session from a calling party in a serving communication network of the calling party to a called party
KELLER RALF6 citations82
US9538574B2Jan 3, 2017
Technique for terminating call set up in a CSFB situation
KELLER RALF2 citations73
US9294618B2Mar 22, 2016
Call-back to a UE that has made an emergency call via a visited IMS network
KELLER RALF3 citations73
US9294964B2Mar 22, 2016
Handover delay optimization
KELLER RALF3 citations73
US8824417B2Sep 2, 2014
Methods and apparatuses for single radio voice call continuity (SRVCC) from CS to LTE
KELLER RALF4 citations73
US8792852B2Jul 29, 2014
Method for informing multiple mobile terminals of an emergency event
KELLER RALF4 citations73
LINDHOLM FREDRIK
2 patentsERICSSON TELEFON AB L M (publ)
2 patentsSTEELCASE INC
1 patentAPPEL MIRKO
1 patentLOHMAR THORSTEN
1 patentHUNDSCHEIDT FRANK
1 patentNOLDUS ROGIER
1 patentNAKADA KAZUHIKO
1 patentPORSCHE AG
1 patentBECKER JOERG
1 patentWITZEL ANDREAS
1 patentShowing the top 50 of 196 patents by PatentIndex Score.