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Souichi Takigawa
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Shizuoka-Ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Earphone device and sound generating apparatus equipped with the same
Patent number
8,320,601
Issue date
Nov 27, 2012
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Earphone device and sound generating apparatus equipped with the same
Patent number
8,270,657
Issue date
Sep 18, 2012
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Earphone device, sound tube forming a part of earphone device and s...
Patent number
8,090,134
Issue date
Jan 3, 2012
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic keyboard musical instrument
Patent number
7,977,564
Issue date
Jul 12, 2011
Yamaha Corporation
Souichi Takigawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Wind musical instrument with pitch changing mechanism and supportin...
Patent number
7,786,372
Issue date
Aug 31, 2010
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Wind musical instrument equipped with slide and supporting system f...
Patent number
7,402,738
Issue date
Jul 22, 2008
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Wind musical instrument having pads for closing tone holes with mec...
Patent number
7,385,134
Issue date
Jun 10, 2008
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
EARPHONE DEVICE AND SOUND GENERATING APPARATUS EQUIPPED WITH THE SAME
Publication number
20100166245
Publication date
Jul 1, 2010
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EARPHONE DEVICE, SOUND TUBE FORMING A PART OF EARPHONE DEVICE AND S...
Publication number
20100061582
Publication date
Mar 11, 2010
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electronic Keyboard Musical Instrument
Publication number
20100018378
Publication date
Jan 28, 2010
Yamaha Corporation
Souichi Takigawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
EARPHONE DEVICE AND SOUND GENERATING APPARATUS EQUIPPED WITH THE SAME
Publication number
20090285437
Publication date
Nov 19, 2009
Yamaha Corporation
Souichi Takigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIND MUSICAL INSTRUMENT WITH PITCH CHANGING MECHANISM AND SUPPORTIN...
Publication number
20070234887
Publication date
Oct 11, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
WIND MUSICAL INSTRUMENT HAVING PADS FOR CLOSING TONE HOLES WITH MEC...
Publication number
20070227343
Publication date
Oct 4, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
WIND MUSICAL INSTRUMENT EQUIPPED WITH SLIDE AND SUPPORTING SYSTEM F...
Publication number
20070221038
Publication date
Sep 27, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Microchip
Publication number
20070056951
Publication date
Mar 15, 2007
Yamaha Corporation
Souichi Takigawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL