| 2024/0029,692 | SOUND OUTPUT SYSTEM | Jun 26, 23 | Jan 25, 24 | Not available |
| 2023/0252,960 | KEYBOARD DEVICE AND SOUND GENERATION CONTROL METHOD | Apr 14, 23 | Aug 10, 23 | Not available |
| 2023/0206,887 | RECOMMENDATION INFORMATION OUTPUT SYSTEM AND RECOMMENDATION INFORMATION OUTPUT METHOD | Apr 26, 22 | Jun 29, 23 | Roland Corporation |
| 2021/0193,093 | KEYBOARD DEVICE AND SOUND GENERATION CONTROL METHOD | Dec 17, 20 | Jun 24, 21 | Not available |
| 2019/0237,048 | SYSTEM AND METHOD FOR MUSICAL PERFORMANCE | Apr 12, 19 | Aug 01, 19 | SUNLAND INFORMATION TECHNOLOGY CO., LTD. |
| 2019/0237,054 | METHODS AND SYSTEMS FOR SYNCHRONIZING MIDI FILE WITH EXTERNAL INFORMATION | Apr 10, 19 | Aug 01, 19 | SUNLAND INFORMATION TECHNOLOGY CO., LTD. |
| 2018/0322,853 | Hammer Velocity Measurement System | Jul 11, 18 | Nov 08, 18 | Not available |
| 2017/0206,869 | KEYBOARD MUSICAL INSTRUMENT, ADJUSTING METHOD THEREOF, AND COMPUTER-READABLE RECORDING MEDIUM THEREFOR | Jan 17, 17 | Jul 20, 17 | YAMAHA CORPORATION |
| 2016/0343,361 | ACTUATOR CONTROL IN AUTOMATIC PERFORMANCE OF MUSICAL INSTRUMENT | May 17, 16 | Nov 24, 16 | YAMAHA CORPORATION |
| 2014/0345,437 | Automatic Player Musical Instrument, Automatic Playing System Incorporated Therein and Overheat Protector for Automatic Playing System | Aug 12, 14 | Nov 27, 14 | YAMAHA CORPORATION |
| 2014/0305,286 | KEYBOARD MUSICAL INSTRUMENT, AND METHOD FOR REPRODUCING HALF PERFORMANCE OF PEDAL OR KEY DAMPER ON KEYBOARD MUSICAL INSTRUMENT | Apr 11, 14 | Oct 16, 14 | YAMAHA CORPORATION |
| 2014/0305,285 | KEYBOARD MUSICAL INSTRUMENT, AND METHOD FOR RECORDING HALF PERFORMANCE OF PEDAL OR KEY DAMPER ON KEYBOARD MUSICAL INSTRUMENT | Apr 11, 14 | Oct 16, 14 | YAMAHA CORPORATION |
| 2014/0130,652 | SIMULATING MUTING IN A DRIVE CONTROL DEVICE FOR STRIKING MEMBER IN SOUND GENERATION MECHANISM | Nov 12, 13 | May 15, 14 | YAMAHA CORPORATION |
| 2014/0020,543 | KEYBOARD MUSICAL INSTRUMENT, METHOD OF CONTROLLING ACTUATOR IN THE KEYBOARD MUSICAL INSTRUMENT, AND NON-TRANSITORY RECORDING MEDIUM STORING PROGRAM FOR CONTROLLING THE ACTUATOR | Jul 17, 13 | Jan 23, 14 | YAMAHA CORPORATION |
| 2013/0125,727 | DOUBLE KEYBOARD PIANO SYSTEM | Nov 22, 11 | May 23, 13 | WISCONSIN ALUMNI RESEARCH FOUNDATION |
| 2012/0174,724 | Key Drive Device and Keyboard Musical Instrument | Jan 04, 12 | Jul 12, 12 | YAMAHA CORPORATION |
| 2011/0185,876 | KEYBOARD MUSICAL INSTRUMENT | Jan 25, 11 | Aug 04, 11 | YAMAHA CORPORATION |
| 2011/0179,935 | KEYBOARD DEVICE FOR ELECTRONIC KEYBOARD INSTRUMENT | Jan 11, 11 | Jul 28, 11 | KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO |
| 2010/0288,102 | ELECTRONIC SUPPORTING SYSTEM FOR MUSICIANS AND MUSICAL INSTRUMENT EQUIPPED WITH THE SAME | Apr 26, 10 | Nov 18, 10 | YAMAHA CORPORATION |
| 2010/0229,707 | AUTOMATIC PLAYER PIANO EQUIPPED WITH SOFT PEDAL, AUTOMATIC PLAYING SYSTEM AND METHOD USED THEREIN | Mar 09, 10 | Sep 16, 10 | YAMAHA CORPORATION |