Koji Hara

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Hamamatsu-city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pickup apparatus
- Patent number 7,427,710
- Issue date Sep 23, 2008
- Roland Corporation
- Koji Hara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Performance information recording/reproducing apparatus having corr...
- Patent number 5,212,676
- Issue date May 18, 1993
- Roland Corporation
- Toshio Yamabata
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Pickup apparatus
- Publication number 20060150806
- Publication date Jul 13, 2006
- ROLAND CORPORATION
- Koji Hara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS