Katsuo OKANO

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Harmonica
- Patent number 9,263,008
- Issue date Feb 16, 2016
- Katsuo Okano
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
HARMONICA
- Publication number 20150179153
- Publication date Jun 25, 2015
- Katsuo OKANO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS