Tomonori Koizumi

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Musical performance apparatus
- Patent number 7,544,878
- Issue date Jun 9, 2009
- Yamaha Corporation
- Junichi Mishima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument system
- Patent number 7,485,794
- Issue date Feb 3, 2009
- Yamaha Corporation
- Tomonori Koizumi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Electronic musical instrument system
- Publication number 20070234883
- Publication date Oct 11, 2007
- Yamaha Corporation
- Tomonori Koizumi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Musical performance apparatus
- Publication number 20050257668
- Publication date Nov 24, 2005
- Yamaha Corporation
- Junichi Mishima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS