Hirotaka Higasa

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Shizuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stroke adjustment device for keyboard instrument
- Patent number 10,134,371
- Issue date Nov 20, 2018
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Hirotaka Higasa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Repetition lever of grand piano
- Patent number 7,678,977
- Issue date Mar 16, 2010
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Kenji Yoshisue
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus for adjusting sound volume of grand piano
- Patent number 5,804,745
- Issue date Sep 8, 1998
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Hirotaka Higasa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
STROKE ADJUSTMENT DEVICE FOR KEYBOARD INSTRUMENT
- Publication number 20180096671
- Publication date Apr 5, 2018
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Hirotaka HIGASA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Repetition lever of grand piano
- Publication number 20070012156
- Publication date Jan 18, 2007
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Kenji Yoshisue
- G10 - MUSICAL INSTRUMENTS ACOUSTICS