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Keitaro Sugawara
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Acoustic device, noise control method, noise control program, and r...
Patent number
8,861,741
Issue date
Oct 14, 2014
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Music search system, music search method, music search program and...
Patent number
8,370,356
Issue date
Feb 5, 2013
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Audio signal processing system and surround signal generation method
Patent number
8,194,860
Issue date
Jun 5, 2012
Pioneer Corporation
Keitaro Sugawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Harmonic sound generator and a method for producing harmonic sound
Patent number
8,022,289
Issue date
Sep 20, 2011
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Digital signal processor and a method for producing harmonic sound
Patent number
7,847,176
Issue date
Dec 7, 2010
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
ACOUSTIC DEVICE, NOISE CONTROL METHOD, NOISE CONTROL PROGRAM, AND R...
Publication number
20120027220
Publication date
Feb 2, 2012
PIONEER CORPORATION
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
OVERTONE PRODUCTION DEVICE, ACOUSTIC DEVICE, AND OVERTONE PRODUCTIO...
Publication number
20110013783
Publication date
Jan 20, 2011
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ACOUSTIC SIGNAL PROCESSING DEVICE AND ACOUSTIC SIGNAL PROCESSING ME...
Publication number
20110007904
Publication date
Jan 13, 2011
Pioneer Corporation
Nobuhiro Tomoda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HARMONIC SOUND GENERATOR AND A METHOD FOR PRODUCING HARMONIC SOUND
Publication number
20100116122
Publication date
May 13, 2010
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
MUSIC SEARCH SYSTEM, MUSIC SEARCH METHOD, MUSIC SEARCH PROGRAM AND...
Publication number
20090228475
Publication date
Sep 10, 2009
Pioneer Corporation
Keitaro Sugawara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DIGITAL SIGNAL PROCESSOR AND A METHOD FOR PRODUCING HARMONIC SOUND
Publication number
20090165635
Publication date
Jul 2, 2009
Pioneer Corporation
Keitaro Sugawara
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
AUDIO SIGNAL PROCESSING SYSTEM AND SURROUND SIGNAL GENERATION METHOD
Publication number
20090154714
Publication date
Jun 18, 2009
Pioneer Corporation
Keitaro Sugawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Acoustic System
Publication number
20080037794
Publication date
Feb 14, 2008
Pioneer Corporation
Keitaro Sugawara
B60 - VEHICLES IN GENERAL