Keyboard instrument

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United States of America Patent

PATENT NO 9275612
APP PUB NO 20150194138A1
SERIAL NO

14589241

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A keyboard instrument includes: an instrument body; at least one speaker; and at least one acoustic pipe configured to collect a sound emitted from the at least one speaker and guide the sound to at least one sound emitting opening formed in a front face of the instrument body.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATIONSHIZUOKA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miki, Akira Hamamatsu, JP 49 509
Onitsuka, Hirofumi Hamamatsu, JP 22 146
Suenaga, Tsukasa Hamamatsu, JP 5 15

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