Per Ekstrand — 22 Patents at Coding Technologies Ab

Per Ekstrand has been granted 22 US patents while listed as an inventor at Coding Technologies Ab. The first was granted in 2004 and the most recent in May 2013. Per Ekstrand ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Per Ekstrand in Stockholm, SE.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8447621	Methods for improving high frequency reconstruction	Kristofer Kjorling, Holger Horich	2013-05-21	$5,522,000
8112284	Methods and apparatus for improving high frequency reconstruction of audio and speech signals	Kristofer Kjorling, Holger Horich	2012-02-07
8036880	Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting	Lars G. Liljeryd, Kristofer Kjoerling, Fredrik Henn	2011-10-11
8036881	Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting	Lars G. Liljeryd, Kristofer Kjoerling, Fredrik Henn	2011-10-11
8036882	Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting	Lars G. Liljeryd, Kristofer Kjoerling, Fredrik Henn	2011-10-11
8019612	Methods for improving high frequency reconstruction	Kristofer Kjorling, Holger Horich	2011-09-13
7917561	Partially complex modulated filter bank	Lars Villemoes, Heiko Purnhagen	2011-03-29
7680552	Spectral translation/folding in the subband domain	Lars G. Liljeryd, Fredrik Henn, Kristofer Kjoerling	2010-03-16
7483758	Spectral translation/folding in the subband domain	Lars G. Liljeryd, Fredrik Henn, Kristofer Kjorling	2009-01-27
7469206	Methods for improving high frequency reconstruction	Kristofer Kjorling, Holger Horich	2008-12-23
7433817	Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system	Kristofer Kjorling, Fredrik Henn, Lars Villemoes	2008-10-07
7328162	Source coding enhancement using spectral-band replication	Lars G. Liljeryd, Lars Fredrik Henn, Hans Magnus Kristofer Kjorling	2008-02-05
7283955	Source coding enhancement using spectral-band replication	Lars G. Liljeryd, Lars Fredrik Henn, Hans Magnus Kristofer Kjorling	2007-10-16
7260520	Enhancing source coding systems by adaptive transposition	Fredrik Henn, Kristofer Kjorling, Lars Villemoes	2007-08-21
7242710	Aliasing reduction using complex-exponential modulated filterbanks	—	2007-07-10
7191121	Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching	Lars G. Liljeryd, Kristofer Kjorling, Fredrik Henn	2007-03-13
7181389	Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching	Lars G. Liljeryd, Kristofer Kjorling, Fredrik Henn	2007-02-20
7003451	Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system	Kristofer Kjorling, Fredrik Henn, Lars Villemoes	2006-02-21
6978236	Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching	Lars G. Liljeryd, Kristofer Kjorling, Fredrik Henn	2005-12-20
6925116	Source coding enhancement using spectral-band replication	Lars G. Liljeryd, Lars Fredrik Henn, Hans Magnus Kristofer Kjorling	2005-08-02
6708145	Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting	Lars G. Liljeryd, Kristofer Kjorling, Fredrik Henn	2004-03-16
6680972	Source coding enhancement using spectral-band replication	Lars G. Liljeryd, Lars Fredrik Henn, Hans Magnus Kristofer Kjorling	2004-01-20

Per Ekstrand — 22 Patents

Issued Patents All Time

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