DG

David H. Griesinger

HI Harman International Industries, Incorporated: 10 patents #75 of 1,027Top 8%
MC Menicon Co.: 6 patents #32 of 263Top 15%
📍 Cambridge, MA: #653 of 8,183 inventorsTop 8%
🗺 Massachusetts: #7,501 of 88,656 inventorsTop 9%
Overall (All Time): #299,692 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8363855 Multichannel downmixing device 2013-01-29
7567676 Sound event detection and localization system using power analysis 2009-07-28
7499553 Sound event detector system 2009-03-03
7492908 Sound localization system based on analysis of the sound field 2009-02-17
7450727 Multichannel downmixing device 2008-11-11
7443987 Discrete surround audio system for home and automotive listening 2008-10-28
7386132 5-2-5 matrix encoder and decoder system 2008-06-10
7107211 5-2-5 matrix encoder and decoder system 2006-09-12
6697491 5-2-5 matrix encoder and decoder system 2004-02-24
6683962 Method and system for driving speakers with a 90 degree phase shift 2004-01-27
5870480 Multichannel active matrix encoder and decoder with maximum lateral separation 1999-02-09
5796844 Multichannel active matrix sound reproduction with maximum lateral separation 1998-08-18
5161197 Acoustic analysis 1992-11-03
5136650 Sound reproduction 1992-08-04
5109419 Electroacoustic system 1992-04-28
4862502 Sound reproduction 1989-08-29