Susumu Ooi

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Patents Grantslast 30 patents

Information Patent Grant
Electronic keyboard instrument
- Patent number 7,507,883
- Issue date Mar 24, 2009
- Yamaha Corporation
- Susumu Ooi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC KEYBOARD INSTRUMENT
- Publication number 20080066605
- Publication date Mar 20, 2008
- Yamaha Corporation
- Susumu Ooi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS