Takehiko Kayahara

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Sayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Auto-playing apparatus
- Patent number RE33607
- Issue date Jun 11, 1991
- Casio Computer Co. Ltd.
- Keiji Yuzawa
- 084 - Music
Information Patent Grant
Electronic musical instrument with automatic ending accompaniment f...
- Patent number 4,646,610
- Issue date Mar 3, 1987
- Casio Computer Co., Ltd.
- Keiichi Sakurai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Auto-playing apparatus
- Patent number 4,624,171
- Issue date Nov 25, 1986
- Casio Computer Co., Ltd.
- Keiji Yuzawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,437,378
- Issue date Mar 20, 1984
- Casio Computer Co., Ltd.
- Hideaki Ishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS