Inventor
MATSUMOTO MASAHARU
JP84 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
29 patentsUS7069223B1Jun 27, 2006
Compressed code decoding device and audio decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD76 citations98
US6295319B1Sep 25, 2001
Decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD115 citations98
US5796845AAug 18, 1998
Sound field and sound image control apparatus and method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD149 citations98
US5442712AAug 15, 1995
Sound amplifying apparatus with automatic howl-suppressing function
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD100 citations96
US4888808ADec 19, 1989
Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations96
US5742688AApr 21, 1998
Sound field controller and control method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD69 citations95
US5572591ANov 5, 1996
Sound field controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD78 citations95
US5381482AJan 10, 1995
Sound field controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD87 citations95
US6904089B1Jun 7, 2005
Encoding device and decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US6823310B2Nov 23, 2004
Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US6546105B1Apr 8, 2003
Sound image localization device and sound image localization method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US6356639B1Mar 12, 2002
Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US6118821ASep 12, 2000
Compressed code decoding device and audio decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US5684881ANov 4, 1997
Sound field and sound image control apparatus and method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5617478AApr 1, 1997
Sound reproduction system and a sound reproduction method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5375188ADec 20, 1994
Music/voice discriminating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US4896285AJan 23, 1990
Calculation of filter factors for digital filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5164840ANov 17, 1992
Apparatus for supplying control codes to sound field reproduction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations91
US7236838B2Jun 26, 2007
Signal processing apparatus, signal processing method, program and recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US6751177B1Jun 15, 2004
Signal processor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US7050870B2May 23, 2006
Reproduction apparatus and music delivery system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6363407B1Mar 26, 2002
Exponential calculation device and decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US6304890B1Oct 16, 2001
Exponential calculation device and decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6297754B1Oct 2, 2001
Decoding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US5233661AAug 3, 1993
Sound field variable apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5123050AJun 16, 1992
Sound field control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations74
US5144673ASep 1, 1992
Reflection sound compression apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US5073942ADec 17, 1991
Sound field control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations73
US5051942ASep 24, 1991
Method and apparatus for calculating filter factors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
OHI SEISAKUSHO CO LTD
6 patentsUS4762348AAug 9, 1988
Electric door lock system
OHI SEISAKUSHO CO LTD127 citations96
US5165751ANov 24, 1992
Air spoiler device
OHI SEISAKUSHO CO LTD54 citations93
US4968074ANov 6, 1990
Automatic door latching system
OHI SEISAKUSHO CO LTD46 citations92
US4902067AFeb 20, 1990
Air spoiler retracting device
OHI SEISAKUSHO CO LTD42 citations92
US4867220ASep 19, 1989
Sunshade assembly of motor vehicle
OHI SEISAKUSHO CO LTD48 citations92
US6145917ANov 14, 2000
Door operating apparatus for vehicle
OHI SEISAKUSHO CO LTD45 citations91
PANASONIC IP MAN CO LTD
5 patentsUS9324523B2Apr 26, 2016
Power generation device
PANASONIC IP MAN CO LTD7 citations76
US11815756B2Nov 14, 2023
Information display device
PANASONIC IP MAN CO LTD2 citations73
USD966024SOct 11, 2022
Wall transmissive display for airplane seat unit
PANASONIC IP MAN CO LTD5 citations73
US11340488B2May 24, 2022
Information display device
PANASONIC IP MAN CO LTD1 citations73
US10633095B2Apr 28, 2020
Imaging system, video processing system, and video processing method
PANASONIC IP MAN CO LTD2 citations72
FUJITSU LTD
4 patentsUS6798872B1Sep 28, 2004
Caller information display system and recording medium
FUJITSU LTD72 citations97
US5099511AMar 24, 1992
Exchange system for incoming calls from direct-in lines
FUJITSU LTD38 citations93
US6351469B1Feb 26, 2002
Sound/data sharing communications system
FUJITSU LTD27 citations91
US5952934ASep 14, 1999
Terminal ID automatic assigning system
FUJITSU LTD34 citations87
MATUSHITA ELECTRIC IND CO LTD
1 patentHORIBA LTD
1 patentPROCTER & GAMBLE
1 patentNISSAN MOTOR
1 patentPANASONIC CORP
1 patentNIFCO INC
1 patentShowing the top 50 of 84 patents by PatentIndex Score.