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Hamamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hammer device and keyboard device for electronic keyboard instrument
Patent number
10,373,596
Issue date
Aug 6, 2019
Kabushiki Kaisha Kawai Gakki Seisakusho
Akihiro Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Musical tone control system for electronic keyboard instrument
Patent number
8,481,841
Issue date
Jul 9, 2013
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device for electronic keyboard instrument
Patent number
8,110,732
Issue date
Feb 7, 2012
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Hammer for electronic keyboard instrument
Patent number
8,080,721
Issue date
Dec 20, 2011
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus
Patent number
7,550,659
Issue date
Jun 23, 2009
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device for keyboard instrument
Patent number
7,208,668
Issue date
Apr 24, 2007
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device for electronic keyboard musical instrument
Patent number
6,653,542
Issue date
Nov 25, 2003
Kabushiki Kaisha Kawai Gakki Seisakusho
Akihiro Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device for electronic keyboard musical instrument
Patent number
6,617,502
Issue date
Sep 9, 2003
Kabushiki Kaisha Kawai Gakki Seisakusho
Akihiro Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus for electronic musical instrument
Patent number
5,542,332
Issue date
Aug 6, 1996
Kabushiki Kaisha Kawai Gakki Seisa Kusho
Yutaka Tamai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard lid, its open-close structure and arm members for keyed in...
Patent number
5,487,321
Issue date
Jan 30, 1996
Kabushiki Kaisha Kawai Gakki Seisakusho
Masaji Kimura
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Stand structure for a keyed instrument
Patent number
5,465,644
Issue date
Nov 14, 1995
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Securing structure for a stand of keyed instrument
Patent number
5,458,429
Issue date
Oct 17, 1995
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard lid, its open-close structure and arm members for keyed in...
Patent number
5,429,026
Issue date
Jul 4, 1995
Kabushiki Kaisha Kawai Gakki Seisakusho
Masaji Kimura
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus for electronic musical instrument
Patent number
5,406,875
Issue date
Apr 18, 1995
Kabushiki Kaisha Kawai Gakki Seisakusho
Yutaka Tamai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Open-close structure for a keyed instrument
Patent number
5,353,675
Issue date
Oct 11, 1994
Kabushiki Kaisha Kawai Gakki Seisakusho
Masaji Kimura
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus for electronic keyboard musical instrument
Patent number
5,079,985
Issue date
Jan 14, 1992
Kabushiki Kaisha Kawai Gakki Seisakusho
Tsutomu Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device for electronic musical instrument
Patent number
5,036,743
Issue date
Aug 6, 1991
Kabushiki Kaisha Kawai Gakki Seisakusho
Tsutomu Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
KEYBOARD DEVICE
Publication number
20240290311
Publication date
Aug 29, 2024
KAWAI MUSICAL INSTRUMENTS MANUFACTURING CO., LTD.
Akihiro SUZUKI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
HAMMER DEVICE AND KEYBOARD DEVICE FOR ELECTRONIC KEYBOARD INSTRUMENT
Publication number
20180277082
Publication date
Sep 27, 2018
Kabushiki Kaisha Kawai Gakki Seisakusho
Akihiro SUZUKI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
MUSICAL TONE CONTROL SYSTEM FOR ELECTRONIC KEYBOARD INSTRUMENT
Publication number
20110239846
Publication date
Oct 6, 2011
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD DEVICE FOR ELECTRONIC KEYBOARD INSTRUMENT
Publication number
20110017049
Publication date
Jan 27, 2011
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
HAMMER FOR ELECTRONIC KEYBOARD INSTRUMENT
Publication number
20110011249
Publication date
Jan 20, 2011
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20080121090
Publication date
May 29, 2008
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard device for keyboard instrument
Publication number
20050011330
Publication date
Jan 20, 2005
Kabushiki Kaisha Kawai Gakki Seisakusho
Yoshiaki Shimoda
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard device for electronic keyboard musical instrument
Publication number
20020194982
Publication date
Dec 26, 2002
Kabushiki Kaisha Kawai Gakki Seisakusho
Akihiro Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Keyboard device for electronic keyboard musical instrument
Publication number
20020038595
Publication date
Apr 4, 2002
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
Akihiro Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS