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Tadaharu Kato
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Shizuoka-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Musical instrument and acoustic transducer device
Patent number
10,304,435
Issue date
May 28, 2019
Yamaha Corporation
Shingo Ekuni
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Keyboard musical instrument
Patent number
9,520,107
Issue date
Dec 13, 2016
Yamaha Corporation
Tadaharu Kato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Installation structure for acoustic transducer
Patent number
9,269,335
Issue date
Feb 23, 2016
Yamaha Corporation
Kenta Ohnishi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Optical transducer system for monitoring movable parts, optical mod...
Patent number
7,642,448
Issue date
Jan 5, 2010
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard musical instrument having sensor unit exactly located by m...
Patent number
7,514,627
Issue date
Apr 7, 2009
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Performance operator control apparatus
Patent number
7,259,319
Issue date
Aug 21, 2007
Yamaha Corporation
Yasuhiko Oba
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Musical instrument system capable of locating missing remote contro...
Patent number
7,259,313
Issue date
Aug 21, 2007
Yamaha Corporation
Yoshitake Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Optical transducer having optical fibers resiliently warped near op...
Patent number
7,186,967
Issue date
Mar 6, 2007
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Optical transducer having optical modulator in the vicinity of rota...
Patent number
7,132,643
Issue date
Nov 7, 2006
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Light emitting unit operative at high coupling efficiency, optical...
Patent number
7,121,737
Issue date
Oct 17, 2006
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Optical transducer having optical fiber plug transparent to curing...
Patent number
7,116,849
Issue date
Oct 3, 2006
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard musical instrument having easily installable optical posit...
Patent number
7,049,576
Issue date
May 23, 2006
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Multicore optical fiber connector for enhancing uniformity of amoun...
Patent number
7,044,655
Issue date
May 16, 2006
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard musical instrument for exactly producing tones and hammer...
Patent number
6,940,005
Issue date
Sep 6, 2005
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Easily installable optical position transducer and keyboard musical...
Patent number
6,933,435
Issue date
Aug 23, 2005
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Optical sensor heads exhibiting regularity in optical characteristi...
Patent number
6,933,494
Issue date
Aug 23, 2005
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Shutter, optical sensor system using the same and shutter holder in...
Patent number
6,870,151
Issue date
Mar 22, 2005
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Unbreakable and economical optical sensor array and keyboard musica...
Patent number
6,815,603
Issue date
Nov 9, 2004
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard musical instrument for exactly producing tones and hammer...
Patent number
6,515,213
Issue date
Feb 4, 2003
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electromagnetic device equipped with solenoid, automatic player usi...
Patent number
6,515,565
Issue date
Feb 4, 2003
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic player incorporated in keyboard musical instrument and pl...
Patent number
6,420,642
Issue date
Jul 16, 2002
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard musical instrument faithfully reproducing original perform...
Patent number
6,403,872
Issue date
Jun 11, 2002
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard instrument with touch responsive display unit
Patent number
6,084,167
Issue date
Jul 4, 2000
Yamaha Corporation
Teruo Akimoto
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
MUSICAL INSTRUMENT AND ACOUSTIC TRANSDUCER DEVICE
Publication number
20170206881
Publication date
Jul 20, 2017
Yamaha Corporation
Shingo EKUNI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
INSTALLATION STRUCTURE FOR ACOUSTIC TRANSDUCER
Publication number
20150206514
Publication date
Jul 23, 2015
Yamaha Corporation
Kenta Ohnishi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD MUSICAL INSTRUMENT
Publication number
20150068382
Publication date
Mar 12, 2015
Yamaha Corporation
TADAHARU KATO
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Optical Transducer System for Monitoring Movable Parts, Optical Mod...
Publication number
20080011151
Publication date
Jan 17, 2008
Yamaha Corporation
Tadaharu Kato
G01 - MEASURING TESTING
Information
Patent Application
Keyboard musical instrument having sensor unit exactly located by m...
Publication number
20050241461
Publication date
Nov 3, 2005
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Performance operator control apparatus
Publication number
20050132871
Publication date
Jun 23, 2005
Yamaha Corporation
Yasuhiko Oba
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Optical transducer having optical fiber plug transparent to curing...
Publication number
20050077453
Publication date
Apr 14, 2005
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Optical transducer having optical modulator in the vicinity of rota...
Publication number
20050067560
Publication date
Mar 31, 2005
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Optical transducer having optical fibers resiliently warped near op...
Publication number
20050061959
Publication date
Mar 24, 2005
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Musical instrument system capable of locating missing remote contro...
Publication number
20040261606
Publication date
Dec 30, 2004
Yamaha Corporation
Yoshitake Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Easily installable optical position transducer and keyboard musical...
Publication number
20040221711
Publication date
Nov 11, 2004
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Shutter, optical sensor system using the same and shutter holder in...
Publication number
20040065811
Publication date
Apr 8, 2004
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Light emitting unit operative at high coupling efficiency, optical...
Publication number
20030202753
Publication date
Oct 30, 2003
Tadaharu Kato
G02 - OPTICS
Information
Patent Application
Multicore optical fiber connector for enhancing uniformity of amoun...
Publication number
20030202754
Publication date
Oct 30, 2003
Tadaharu Kato
G02 - OPTICS
Information
Patent Application
Optical sensor heads exhibiting regulality in optical characteristi...
Publication number
20030201386
Publication date
Oct 30, 2003
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard musical instrument for exactly producing tones and hammer...
Publication number
20030070526
Publication date
Apr 17, 2003
Yamaha Corporation
Shigeru Muramatsu
G01 - MEASURING TESTING
Information
Patent Application
Easily installable optical position transducer and keyboard musical...
Publication number
20030025071
Publication date
Feb 6, 2003
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Unbreakable and economical optical sensor array and keyboard musica...
Publication number
20020194986
Publication date
Dec 26, 2002
Yamaha Corporation
Tadaharu Kato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard musical instrument for exactly producing tones and hammer...
Publication number
20020059862
Publication date
May 23, 2002
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard musical instrument faithfully reproducing original perform...
Publication number
20010003945
Publication date
Jun 21, 2001
Yamaha Corporation
Shigeru Muramatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS