Hiromi NEGI

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lid opening/closing mechanism for keyboard musical instrument
- Patent number 8,916,757
- Issue date Dec 23, 2014
- Yamaha Corporation
- Sayo Tsuchimoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
LID OPENING/CLOSING MECHANISM FOR KEYBOARD MUSICAL INSTRUMENT
- Publication number 20130008296
- Publication date Jan 10, 2013
- Yamaha Corporation
- Sayo TSUCHIMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS