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Masaki Katayama
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Speaker position detection system, speaker position detection devic...
Patent number
10,959,016
Issue date
Mar 23, 2021
Yamaha Corporation
Masaki Katayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Speaker device
Patent number
10,075,803
Issue date
Sep 11, 2018
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker device and audio signal processing method
Patent number
10,038,963
Issue date
Jul 31, 2018
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker device and audio signal processing method
Patent number
9,674,609
Issue date
Jun 6, 2017
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound processing apparatus, sound system and sound processing method
Patent number
9,356,572
Issue date
May 31, 2016
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio signal processing device
Patent number
9,294,861
Issue date
Mar 22, 2016
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound processing apparatus
Patent number
9,247,371
Issue date
Jan 26, 2016
Yamaha Corporation
Yuta Yuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing device, signal processing method, and sound emitt...
Patent number
8,848,943
Issue date
Sep 30, 2014
Yamaha Corporation
Masaki Katayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sound image localization apparatus
Patent number
8,594,336
Issue date
Nov 26, 2013
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound processing device, speaker apparatus, and sound processing me...
Patent number
8,553,893
Issue date
Oct 8, 2013
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual sound source localization apparatus
Patent number
8,494,189
Issue date
Jul 23, 2013
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic processing device
Patent number
8,340,322
Issue date
Dec 25, 2012
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound field controlling device
Patent number
8,199,921
Issue date
Jun 12, 2012
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing device and sound image orientation apparatus
Patent number
8,121,297
Issue date
Feb 21, 2012
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Stereophonic sound reproduction device
Patent number
8,116,468
Issue date
Feb 14, 2012
Yamaha Corporation
Masaki Katayama
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sound image localization apparatus
Patent number
7,929,709
Issue date
Apr 19, 2011
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio apparatus, controller, audio system, and method of controllin...
Patent number
7,133,730
Issue date
Nov 7, 2006
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio amplifier unit
Patent number
7,095,865
Issue date
Aug 22, 2006
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio system conducting digital signal processing, a control method...
Patent number
7,050,869
Issue date
May 23, 2006
Yamaha Corporation
Masaki Katayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Audio system, its control method and storage medium
Patent number
6,747,678
Issue date
Jun 8, 2004
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Speaker Position Detection System, Speaker Position Detection Devic...
Publication number
20180302711
Publication date
Oct 18, 2018
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker Device
Publication number
20170265017
Publication date
Sep 14, 2017
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker Device and Audio Signal Processing Method
Publication number
20170201846
Publication date
Jul 13, 2017
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker Device and Audio Signal Processing Method
Publication number
20150237446
Publication date
Aug 20, 2015
YAMAHA CORPORATION
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO SIGNAL PROCESSING DEVICE
Publication number
20130251156
Publication date
Sep 26, 2013
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound Processing Apparatus, Sound System and Sound Processing Method
Publication number
20130156228
Publication date
Jun 20, 2013
Yamaha Corporation
Masaki KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound Processing Apparatus
Publication number
20130108057
Publication date
May 2, 2013
Yamaha Corporation
Yuta YUYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound Image Localization Apparatus
Publication number
20110176684
Publication date
Jul 21, 2011
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Acoustic Processing Device
Publication number
20110064243
Publication date
Mar 17, 2011
Yamaha Corporation
Masaki KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Signal Processing Device, Signal Processing Method, and Sound Emitt...
Publication number
20100067716
Publication date
Mar 18, 2010
Yamaha Corporation
Masaki Katayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SOUND PROCESSING DEVICE, SPEAKER APPARATUS, AND SOUND PROCESSING ME...
Publication number
20090304186
Publication date
Dec 10, 2009
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual Sound Source Localization Apparatus
Publication number
20090123007
Publication date
May 14, 2009
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Stereophonic Sound Reproduction Device
Publication number
20080247553
Publication date
Oct 9, 2008
YAMAHA CORPORATION
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound field controlling device
Publication number
20070253564
Publication date
Nov 1, 2007
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound image localization apparatus
Publication number
20070154020
Publication date
Jul 5, 2007
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Signal processing device and sound image orientation apparatus
Publication number
20070092085
Publication date
Apr 26, 2007
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Audio amplifier unit
Publication number
20030147543
Publication date
Aug 7, 2003
Yamaha Corporation
Masaki Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE