| 9978345 | Piano plate assembly and method of manufacturing same | Apr 16, 13 | May 22, 18 | Not available |
| 9966052 | Keyboard with adjustable touch for a musical instrument | Feb 05, 15 | May 08, 18 | Not available |
| 9958314 | Vibration detection mechanism and vibration sensor unit | Dec 24, 14 | May 01, 18 | Yamaha Corporation |
| 9959843 | Sound producing apparatus, keyboard instrument, and sound production control method | Dec 18, 15 | May 01, 18 | Yamaha Corporation |
| 9905204 | Pivotal supporting structure for fallboard of keyboard musical instrument | May 07, 15 | Feb 27, 18 | YAMAHA CORPORATION |
| 9905205 | Support assembly and keyboard apparatus | Mar 17, 16 | Feb 27, 18 | YAMAHA CORPORATION |
| 9899014 | Keyboard device and keyboard instrument | Apr 05, 16 | Feb 20, 18 | CASIO COMPUTER CO., LTD. |
| 9812097 | Portable accessory pedal and support for a musical instrument | Dec 15, 16 | Nov 07, 17 | Not available |
| 9812108 | Support assembly and keyboard apparatus | Oct 06, 16 | Nov 07, 17 | YAMAHA CORPORATION |
| 9792885 | Piano pedal operating device for people with disabilities | Dec 01, 16 | Oct 17, 17 | Not available |
| 9704456 | Keyboard positioning apparatus and method for retrofitting onto an existing piano assembly | Jun 14, 15 | Jul 11, 17 | Not available |
| 9685144 | Toy piano | Mar 15, 14 | Jun 20, 17 | Not available |
| 9679542 | Circular piano keyboard | Dec 30, 14 | Jun 13, 17 | PianoArc, LLC |
| 9672797 | Support assembly and keyboard apparatus | Jul 22, 16 | Jun 06, 17 | YAMAHA CORPORATION |
| 9659549 | Support assembly and keyboard apparatus | Jul 22, 16 | May 23, 17 | YAMAHA CORPORATION |
| 9646578 | Keyboard device | Oct 29, 14 | May 09, 17 | ROLAND CORPORATION |
| 9633629 | Piano or grand piano with strings and a sound bridge with reduced mass and improved tonal quality | Mar 06, 13 | Apr 25, 17 | SCHIMMEL-VERWALTUNGSGESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG, SCHIMMEL-VERWALTUNGSGESELLSCHAFT MIT BESCHRANKTER HAFTUNG, |
| 9633630 | Keyboard for musical instruments having improved ergonomics | Jul 18, 14 | Apr 25, 17 | ERGODIESIS S.R.L.S. |
| 9620090 | Hammer velocity measurement system | Sep 28, 15 | Apr 11, 17 | STEINWAY, INC. |
| 9607587 | Hammer device and keyboard device for electronic keyboard instrument | Oct 29, 14 | Mar 28, 17 | KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO |