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Yasushi TERAI
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Music rack unit-mounting structure of grand piano
Patent number
12,324,509
Issue date
Jun 10, 2025
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi Terai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Touch weight adjustment mechanism for keyboard device
Patent number
11,017,749
Issue date
May 25, 2021
Kabushiki Kaisha Kawai Gakki Seisakusho
Hanayo Tsuzuku
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard device including link mechanism
Patent number
10,847,130
Issue date
Nov 24, 2020
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi Terai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Damper for piano
Patent number
10,410,610
Issue date
Sep 10, 2019
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi Terai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Piano action
Patent number
9,437,173
Issue date
Sep 6, 2016
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi Terai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
MUSIC RACK UNIT-MOUNTING STRUCTURE OF GRAND PIANO
Publication number
20240306810
Publication date
Sep 19, 2024
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi TERAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
TOUCH WEIGHT ADJUSTMENT MECHANISM FOR KEYBOARD DEVICE
Publication number
20200302898
Publication date
Sep 24, 2020
Kabushiki Kaisha Kawai Gakki Seisakusho
Hanayo TSUZUKU
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD DEVICE INCLUDING LINK MECHANISM
Publication number
20200090633
Publication date
Mar 19, 2020
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi TERAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
DAMPER FOR PIANO
Publication number
20190272808
Publication date
Sep 5, 2019
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi TERAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
PIANO ACTION
Publication number
20150000500
Publication date
Jan 1, 2015
Kabushiki Kaisha Kawai Gakki Seisakusho
Yasushi TERAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS