2016
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Invention
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Piano, piano action, and hammerhead included in hammer for use in piano action. In order to ensur... |
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Invention
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Piano and piano action. In order to improve the touch of an upright piano that uses cross strings... |
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Invention
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Piano and piano action. In this improved upright piano and action thereof, the sound emitted when... |
2012
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P/S
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Pianos; parts and attachments for upright pianos so as to change touch and sound like grand piano... |
2011
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Invention
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Action for upright piano. Disclosed is an action for an upright piano capable of expressing rich ... |
2010
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Invention
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Action of upright piano. To provide an action of an upright piano which permits playing of repeat... |
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Invention
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Action of upright piano. Disclosed is the action of an upright piano which has the repeated touch... |