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Koichi Kozuki
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Shizuoka, JP
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last 30 patents
Information
Patent Grant
Electronic musical instrument with resonance sounds
Patent number
5,648,629
Issue date
Jul 15, 1997
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Reverberation - imparting device capable of modulating an input sig...
Patent number
5,553,150
Issue date
Sep 3, 1996
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument
Patent number
RE34913
Issue date
Apr 25, 1995
Yamaha Corporation
Teruo Hiyoshi
084 - Music
Information
Patent Grant
Tone generation device capable of varying delay time length at the...
Patent number
5,347,087
Issue date
Sep 13, 1994
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Damp control in an electronic musical
Patent number
5,270,478
Issue date
Dec 14, 1993
Yamaha Corporation
Ichiki Tetsuji
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Envelope waveform generation apparatus
Patent number
5,256,831
Issue date
Oct 26, 1993
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Tone signal generating device for interpolating and filtering store...
Patent number
5,252,773
Issue date
Oct 12, 1993
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument which clears a first musical tone pri...
Patent number
5,245,129
Issue date
Sep 14, 1993
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument with a filter device having a relay
Patent number
5,229,535
Issue date
Jul 20, 1993
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument having automatic ornamental effect
Patent number
5,177,312
Issue date
Jan 5, 1993
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic key designating apparatus
Patent number
5,153,361
Issue date
Oct 6, 1992
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic performance apparatus having plural memory areas
Patent number
5,113,744
Issue date
May 19, 1992
Yamaha Corporation
So Tanaka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument having an automatic rhythm performanc...
Patent number
5,042,355
Issue date
Aug 27, 1991
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument with automatic performance apparatus
Patent number
4,926,736
Issue date
May 22, 1990
Yamaha Corporation
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic rhythm performing apparatus for electronic musical instru...
Patent number
4,763,554
Issue date
Aug 16, 1988
Nippon Gakki Seizo Kabushiki Kaisha
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument equipped with memorized randomly modi...
Patent number
4,708,046
Issue date
Nov 24, 1987
Nippon Gakki Seizo Kabushiki Kaisha
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Performance data processing apparatus
Patent number
4,602,544
Issue date
Jul 29, 1986
Nippon Gakki Seizo Kabushiki Kaisha
Shigeru Yamada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Apparatus for printing out graphical patterns
Patent number
4,538,500
Issue date
Sep 3, 1985
Nippon Gakki Seizo Kabushiki Kaisha
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instruments
Patent number
4,461,199
Issue date
Jul 24, 1984
Nippon Gakki Seizo Kabushiki Kaisha
Teruo Hiyoshi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Envelope wave shape signal generator for an electronic musical inst...
Patent number
4,440,056
Issue date
Apr 3, 1984
Nippon Gakki Seizo Kabushiki Kaisha
Koichi Kozuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS