PE

Per Ekstrand

DA Dolby International Ab: 160 patents #4 of 314Top 2%
Fraunhofer: 9 patents #277 of 4,748Top 6%
DL Dolby Laboratories Licensing: 2 patents #432 of 815Top 55%
Philips: 2 patents #2,426 of 7,731Top 35%
📍 Saltsjöbaden, FL: #1 of 1 inventorsTop 100%
Overall (All Time): #5,237 of 4,157,543Top 1%
162
Patents All Time

Issued Patents All Time

Showing 51–75 of 162 patents

Patent #TitleCo-InventorsDate
11605391 Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals Lars Villemoes, Heiko Purnhagen 2023-03-14
11594234 Harmonic transposition in an audio coding method and system Lars Villemoes 2023-02-28
11591657 Oversampling in a combined transposer filter bank Lars Villemoes 2023-02-28
11562759 Integration of high frequency reconstruction techniques with reduced post-processing delay Kristofer Kjoerling, Lars Villemoes, Heiko Purnhagen 2023-01-24
11562755 Harmonic transposition in an audio coding method and system Lars Villemoes 2023-01-24
11527256 Integration of high frequency audio reconstruction techniques Kristofer Kjoerling, Lars Villemoes, Heiko Purnhagen 2022-12-13
11495236 Apparatus and method for processing an input audio signal using cascaded filterbanks Lars Villemoes, Sascha Disch, Frederik Nagel, Stephan Wilde 2022-11-08
11417350 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Heiko Purnhagen 2022-08-16
11367455 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Heiko Purnhagen 2022-06-21
11297533 Method and apparatus for audio decoding based on dequantization of quantized parameters Heiko Purnhagen 2022-04-05
11289106 Backward-compatible integration of high frequency reconstruction techniques for audio signals Kristofer Kjoerling, Lars Villemoes, Heiko Purnhagen 2022-03-29
11238876 Methods for improving high frequency reconstruction Kristofer Kjoerling, Holger Hoerich 2022-02-01
11200874 Efficient combined harmonic transposition Lars Villemoes, Per Hedelin 2021-12-14
11107487 Digital filterbank for spectral envelope adjustment 2021-08-31
11100937 Harmonic transposition in an audio coding method and system Lars Villemoes 2021-08-24
10947594 Oversampling in a combined transposer filter bank Lars Villemoes 2021-03-16
10943595 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Heiko Purnhagen 2021-03-09
10818306 Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals Lars Villemoes, Heiko Purnhagen 2020-10-27
10770082 Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain Robin Thesing, Lars Villemoes 2020-09-08
10770079 Apparatus and method for processing an input audio signal using cascaded filterbanks Lars Villemoes, Sascha Disch, Frederik Nagel, Stephan Wilde 2020-09-08
10734010 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Heiko Purnhagen 2020-08-04
10699724 Spectral translation/folding in the subband domain Lars G. Liljeryd, Fredrik Henn, Kristofer Kjoerling 2020-06-30
10694424 Non-uniform parameter quantization for advanced coupling Heiko Purnhagen 2020-06-23
10657937 Efficient combined harmonic transposition Lars Villemoes, Per Hedelin 2020-05-19
10600427 Harmonic transposition in an audio coding method and system Lars Villemoes 2020-03-24