HP

Heiko Purnhagen

DA Dolby International Ab: 267 patents #2 of 314Top 1%
DL Dolby Laboratories Licensing: 36 patents #48 of 815Top 6%
Fraunhofer: 18 patents #129 of 4,748Top 3%
Philips: 17 patents #152 of 7,731Top 2%
CA Coding Technologies Ab: 12 patents #5 of 33Top 20%
Koniniklijke Philips N.V.: 5 patents #1,464 of 7,486Top 20%
FE Friedrich-Alexander-Universität Erlangen-Nürnberg: 2 patents #34 of 311Top 15%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
DL Dobly Laboratories Licensing: 1 patents #2 of 24Top 9%
AS Agere Systems: 1 patents #984 of 1,849Top 55%
📍 Sundbyberg, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #1,425 of 4,157,543Top 1%
289
Patents All Time

Issued Patents All Time

Showing 251–275 of 289 patents

Patent #TitleCo-InventorsDate
9060236 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signaling Jonas Engdegard, Juergen Herre, Leon Terentiv, Cornelia Falch, Oliver Hellmuth 2015-06-16
8929558 Audio signal of an FM stereo radio receiver by using parametric stereo Jonas Engdegard, Karl Jonas Roeden 2015-01-06
8793125 Method and device for decorrelation and upmixing of audio channels Dirk Jeroen Breebaart, Erik Gosuinus Petrus Schuijers, Karl Jonas Roden 2014-07-29
8756266 Partially complex modulated filter bank Per Ekstrand, Lars Villemoes 2014-06-17
8731950 Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and computer program using an object-related parametric information Juergen Herre, Andreas Hoelzer, Leonid Terentiev, Thorsten Kastner, Cornelia Falch +2 more 2014-05-20
8693696 Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2014-04-08
8687829 Apparatus and method for multi-channel parameter transformation Johannes Hilpert, Karsten Linzmeier, Juergen Herre, Ralph Sperschneider, Andreas Hoelzer +5 more 2014-04-01
8655670 Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction Pontus Carlsson, Lars Villemoes, Julien Robillard, Matthias Neusinger, Christian Helmrich +4 more 2014-02-18
8654985 Stereo compatible multi-channel audio coding Lars Villemoes, Jonas Roeden, Jonas Engdegard, Jeroen Breebaart, Erik Gosuinus Petrus Schuijers 2014-02-18
8626503 Audio encoding and decoding Erik Gosuinus Petrus Schuijers, Gerard Herman Hotho, Wolfgang A. Schildbach, Holger Horich, Hans Magnus Kristofer Kjoerling +1 more 2014-01-07
8571877 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameter Jonas Engdegard, Juergen Herre, Cornelia Falch, Oliver Hellmuth, Leon Terentiv 2013-10-29
8538031 Method for representing multi-channel audio signals Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2013-09-17
8532999 Apparatus and method for generating a multi-channel synthesizer control signal, multi-channel synthesizer, method of generating an output signal from an input signal and machine-readable storage medium Matthias Neusinger, Juergen Herre, Sascha Disch, Kristofer Kjoerling, Jonas Engdegard +3 more 2013-09-10
8515083 Methods for improved performance of prediction based multi-channel reconstruction Lars Villemoes, Kristofer Kjoerling, Jonas Roeden, Jeroen Breebaart, Gerard Herman Hotho 2013-08-20
8515759 Apparatus and method for synthesizing an output signal Jonas Engdegard, Barbara Resch, Lars Villemoes, Cornelia Falch, Juergen Herre +3 more 2013-08-20
8494863 Audio encoder and decoder with long term prediction Arijit Biswas, Kristofer Kjoerling, Barbara Resch, Lars Villemoes, Per Hedelin 2013-07-23
8443026 Partially complex modulated filter bank Per Ekstrand, Lars Villemoes 2013-05-14
8346564 Multi-channel audio coding Gerard Herman Hotho, Dirk Jeroen Breebaart, Erik Gosuinus Petrus Schuijers, Albertus Cornelis Den Brinker, Lars Villemoes +1 more 2013-01-01
8285771 Partially complex modulated filter bank Per Ekstrand, Lars Villemoes 2012-10-09
8260607 Audio signal encoding or decoding Lars Villemoes, Per Ekstrand, Erik Gosuinus Petrus Schuijers, Fransiscus Marinus Jozephus De Bont 2012-09-04
8223976 Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2012-07-17
8180819 Partially complex modulated filter bank Per Ekstrand, Lars Villemoes 2012-05-15
8180818 Partially complex modulated filter bank Per Ekstrand, Lars Villemoes 2012-05-15
8160888 Generation of multi-channel audio signals Dirk Jeroen Breebaart, Lars Villemoes, Christof Faller 2012-04-17
8150042 Method, device, encoder apparatus, decoder apparatus and audio system Machiel Willem Van Loon, Dirk Jeroen Breebaart, Gerard Herman Hotho, Erik Gosuinus Petrus Schuijers, Karl Jonas Roden 2012-04-03