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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7732693 | Resin-formed body including wood powder production method of the same and black key for keyboard musical instrument In order to provide a resin-formed body including wood powder which is applicable to a material for a black key having a good external appearance and which has touch close to real wood with less difference in quality without using rare wood, the resin-formed body in... | 06/08/2010 |
| 7326847 | Methods and systems for dynamic channel allocation Methods and systems of dynamic channel allocation. The provided methods and systems can be employed in a music synthesis system comprising a synthesizer. Audio instructions from sources, such as MIDI players, are received. Available channels provided by the synthesi... | 02/05/2008 |
| 6670535 | Musical-instrument controller with triad-forming note-trigger convergence points A musical instrument controller provides an array keyboard in which most note triggers form major 3rd, minor 3rd, and perfect fifth intervals at line segment boundaries with adjacent note triggers, and form major and minor triads at vertices or other conv... | 12/30/2003 |
| 6392131 | Device for patterned input and display of musical notes A device for input of musical notes and chords, each triad including a plurality of musical notes and being classified into types according to a number of notes in the chord and the tonal relationship among the notes, includes a plurality of input devices... | 05/21/2002 |
| 6218601 | In-line keyboard An in-line keyboard provides a large number of music producing actuators in a small space. Each actuator corresponds to a note on a musical scale. The actuators are arranged in perpendicular columns and rows. The actuators of each column are played by a s... | 04/17/2001 |
| 3941023 | Chord button assembly A chord button assembly for use in electronical organs is formed as a unitary assembly. A plastic hinge strip extending the length of the chord selector button area is provided and a plurality of keys or arms extend from the strip and have selector button... | 03/02/1976 |
