Inventor
ARAI YONEAKI
JP5 patents
Patents
5 patentsUS4995294AFeb 26, 1991
Electronic percussion instrument
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US5350881ASep 27, 1994
Portable electronic apparatus
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US5157213AOct 20, 1992
Portable electronic apparatus
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US4566363AJan 28, 1986
Electronic musical instrument
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US5164528ANov 17, 1992
Keyboard apparatus for musical instrument
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