RK

Ralf Keller

Ericsson: 171 patents #41 of 9,909Top 1%
Dr. Ing. H.C. F. Porsche Ag: 18 patents #44 of 2,421Top 2%
AN Areva Np: 1 patents #97 of 342Top 30%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
ST Steelcase: 1 patents #504 of 809Top 65%
Overall (All Time): #3,655 of 4,157,543Top 1%
192
Patents All Time

Issued Patents All Time

Showing 126–150 of 192 patents

Patent #TitleCo-InventorsDate
9184978 Operating and supporting dual mode user equipment Joerg Christian Ewert, Andreas Witzel, Martin Stumpert 2015-11-10
9173145 Handling call transfer in a communication network Fredrik Lindholm 2015-10-27
9161268 Technique for connection attempt handling in a circuit switched fallback situation Joerg Christian Ewert, Karl-Peter Ranke 2015-10-13
9152965 Method and devices for inter-terminal payments Cornelius Boylan, Guido Zavagli 2015-10-06
9144050 Methods and apparatus for use in a communications network Magnus Olsson, Göran Hall, Magnus Hallenstål, Fredrik Lindholm 2015-09-22
9106664 Method and apparatuses for maintaining service continuity to a centralization and continuity application server Fredrik Lindholm, Jian Wang 2015-08-11
9100408 Method for registering multi-contact devices Andreas Witzel, Arne Pehrsson, Stephen Terrill 2015-08-04
9078172 Session transfer in a communication network Fredrik Lindholm 2015-07-07
9066213 Node for short message context Magnus Olsson, Hans Bertil Rönneke 2015-06-23
9055546 Handling a registration timer to provide service continuity in IMS Fredrik Lindholm 2015-06-09
8990414 Method and apparatuses for making use of virtual IMS subscriptions coupled with the identity of a non SIP compliant terminal for non-registered subscribers Rogier August Caspar Joseph Noldus 2015-03-24
8989028 Roaming control for IMS APN Ann-Christine Sander 2015-03-24
8989151 Short messaging service over 3GPP long term evolution Joerg Christian Ewert, Andreas Witzel 2015-03-24
8989178 System and method for indicating circuit switched access at IMS registration Kazuhiko Nakada, George Foti 2015-03-24
8964961 Method of routing a session from a calling party in a serving communication network of the calling party to a called party Fredrik Lindholm, Gert Oster, Mats Stille 2015-02-24
8955271 Sliding door assembly Ryan Geister, Helmut Petrat, Theodore M. Haan, Andreas Borchhardt 2015-02-17
8948127 Method, apparatus and computer program for supporting a session identifier in case of a transfer between different radio access networks Karl-Peter Ranke, Anders Nohlgren 2015-02-03
8923854 Method of and equipment for subscriber mobility registration update in a home location register of a mobile communications network Rogier August Caspar Joseph Noldus 2014-12-30
8923247 Handover from circuit switched to packet switched Magnus Hallenstål, Magnus Olsson, Fredrik Lindholm 2014-12-30
8908643 Handover of priority calls from a circuit switched access network with single radio voice call continuity Fredrik Lindholm 2014-12-09
8885603 Handover of calls between access networks Fredrik Lndholm, Karl-Peter Ranke 2014-11-11
8855105 Call handling for IMS registered user Andreas Witzel 2014-10-07
8848666 Handover of emergency calls from a circuit switched to a packet switched access network Fredrik Lindholm 2014-09-30
8824417 Methods and apparatuses for single radio voice call continuity (SRVCC) from CS to LTE Magnus Hallenstål, Magnus Olsson 2014-09-02
8811229 Handling ICS enhanced and non enhanced MSC in a pool Jian Wang, Fredrik Lindholm, Daniel Mateos Perez, Santiago Muñoz Muñoz 2014-08-19