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Fumio Rokkaku
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Hamamatsu, JP
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last 30 patents
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Patent Grant
Electronic musical instrument
Patent number
5,270,476
Issue date
Dec 14, 1993
Roland Corporation
Fumio Rokkaku
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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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
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Patent Grant
Envelope-generating apparatus in electronic musical instrument
Patent number
5,074,185
Issue date
Dec 24, 1991
Roland Corporation
Masashi Nishikawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS