DG

David Giesbrecht

QL Qnx Software Systems Limited: 4 patents #17 of 57Top 30%
Q( Qnx Software Systems (Wavemakers): 2 patents #4 of 14Top 30%
QL Qsound Labs: 1 patents #7 of 14Top 50%
Microsoft: 1 patents #24,826 of 40,388Top 65%
📍 Toronto, CA: #840 of 9,482 inventorsTop 9%
Overall (All Time): #573,536 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9443532 Noise reduction using direction-of-arrival information 2016-09-13
8566086 System for adaptive enhancement of speech signals Phillip A. Hetherington 2013-10-22
8311840 Frequency extension of harmonic signals Phillip A. Hetherington, Xueman Li 2012-11-13
8284947 Reverberation estimation and suppression system Phillip A. Hetherington 2012-10-09
8170879 Periodic signal enhancement system Rajeev Nongpiur, Phillip A. Hetherington 2012-05-01
8063764 Automated emergency detection and response Alex Mihailidis, Jesse Hoey, Tracy Jeong-Eun LEE, Vicky Young, Melinda Hamill +3 more 2011-11-22
7894598 System for limiting receive audio Gerhard Uwe Schmidt, Tim Haulick, Clarence Chu 2011-02-22
7680652 Periodic signal enhancement system Phillip A. Hetherington 2010-03-16
7610196 Periodic signal enhancement system Rajeev Nongpiur, Phillip A. Hetherington 2009-10-27