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Ryuichi Izumi
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rotation operation device
Patent number
11,599,135
Issue date
Mar 7, 2023
Yamaha Corporation
Ryuichi Izumi
G05 - CONTROLLING REGULATING
Information
Patent Grant
Rotary knob
Patent number
9,761,391
Issue date
Sep 12, 2017
Yamaha Corporation
Ryuichi Izumi
G05 - CONTROLLING REGULATING
Information
Patent Grant
Display device and manipulation device with light display
Patent number
8,562,162
Issue date
Oct 22, 2013
Yamaha Corporation
Yoshihiro Natsume
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Panel opening and closing structure of electric operation apparatus
Patent number
8,498,437
Issue date
Jul 30, 2013
Yamaha Corporation
Takeshi Ando
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Slide manipulation device and slide control console
Patent number
8,213,642
Issue date
Jul 3, 2012
Yamaha Corporation
Yoshihiro Natsume
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Panel operator structure for electronic equipment
Patent number
7,875,819
Issue date
Jan 25, 2011
Yamaha Corporation
Ryuichi Izumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic keyboard instrument
Patent number
7,396,994
Issue date
Jul 8, 2008
Yamaha Corporation
Ryuichi Izumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard instrument
Patent number
7,078,611
Issue date
Jul 18, 2006
Yamaha Corporation
Ryuichi Izumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
ROTATION OPERATION DEVICE
Publication number
20210286396
Publication date
Sep 16, 2021
Yamaha Corporation
Ryuichi IZUMI
G05 - CONTROLLING REGULATING
Information
Patent Application
Rotary Knob
Publication number
20150136575
Publication date
May 21, 2015
Yamaha Corporation
Ryuichi Izumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PANEL OPENING AND CLOSING STRUCTURE OF ELECTRIC OPERATION APPARATUS
Publication number
20100097748
Publication date
Apr 22, 2010
Yamaha Corporation
Takeshi ANDO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Slide Manipulation Device and Slide Control Console
Publication number
20090241759
Publication date
Oct 1, 2009
Yamaha Corporation
Yoshihiro Natsume
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Display Device and Manipulation Device with Light Display
Publication number
20090244883
Publication date
Oct 1, 2009
Yamaha Corporation
Yoshihiro Natsume
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PANEL OPERATOR STRUCTURE FOR ELECTRONIC EQUIPMENT
Publication number
20080173528
Publication date
Jul 24, 2008
Yamaha Corporation
Ryuichi Izumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Keyboard instrument
Publication number
20050150368
Publication date
Jul 14, 2005
Yamaha Corporation
Ryuichi Izumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Electronic keyboard instrument
Publication number
20050150367
Publication date
Jul 14, 2005
Yamaha Corporation
Ryuichi Izumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS