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 176–192 of 192 patents

Patent #TitleCo-InventorsDate
8095116 Method for delivering multimedia files Frank Hundscheidt, Thorsten Lohmar 2012-01-10
7996553 Multi-user streaming Thorsten Lohmar, Frank Hundscheidt 2011-08-09
7958254 Method and device for performing floor control Frank Hundscheidt, Thorsten Lohmar 2011-06-07
7944873 Method and system for access and accounting of point-to-multipoint services Frank Hundscheidt, Thorsten Lohmar 2011-05-17
7792105 Broadcast in point-to-point oriented packet-switched networks Thorsten Lohmar, Frank Hundscheidt 2010-09-07
7680109 Mobile multipoint service Niklas Lundin, Karl Henriksson, Tobjorn Lundin, Lars Ekeroth, Frank Hundscheidt +1 more 2010-03-16
7606186 Multicast in point-to-point packet-switched oriented networks Frank Hundscheidt, Thorsten Lohmar 2009-10-20
7558262 Group hopping and channel zapping during transmission of multicast applications Ralf Tonjes, Thorsten Lohmar, Frank Hundscheidt 2009-07-07
7515872 Distributed Caching and Redistribution System and Method in a Wireless Data Network Frank Hundscheidt, Heino Hameleers, Thorsten Lohmar 2009-04-07
7499466 Multicast group management in telecommunication networks Frank Hundscheidt, Thorsten Lohmar 2009-03-03
7436788 Dynamic frequency spectrum re-allocation Joerg Huschke 2008-10-14
7369541 Multicast in a point-to point oriented packet-switched telecommunication network Frank Hundscheidt, Thorsten Lohmar 2008-05-06
7366517 Cellular radio network reusing frequencies Ralf Tonjes, Wolfgang Stahl, Jörn Thielecke, Jörg Huschke, Udo Wachsmann 2008-04-29
7180860 Method and devices to provide a defined quality of service in a packet switched communication network Benny Fonden, Dirk Kopplin, Thorsten Lohmar, Hans-Olof Sundell 2007-02-20
7146132 Cellular radio network reusing frequencies Ralf Tonjes, Wolfgang Stahl, Jörn Thielecke, Jörg Huschke, Udo Wachsmann 2006-12-05
6496689 Indication of charging information using the USSD mechanism Guido Zavagli 2002-12-17
5943344 Method and apparatus for formatting synchronous and asynchronous data Gregor Bautz, Norbert Niebert, Jamshid Khun Jush, Wolfgang Koch 1999-08-24