Hiroko Kawamura

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Koto-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Music support apparatus and music support system
- Patent number 8,878,040
- Issue date Nov 4, 2014
- Casting Media Inc.
- Shigehiko Araki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
MUSIC SUPPORT APPARATUS AND MUSIC SUPPORT SYSTEM
- Publication number 20140033903
- Publication date Feb 6, 2014
- Casting Media Inc.
- Shigehiko Araki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS