Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9959843 | Sound producing apparatus, keyboard instrument, and sound production control method | — | 2018-05-01 |
| 9923363 | Temperature measurement device and protective device for acoustic signal converter | Jun Ishii | 2018-03-20 |
| 9779711 | Installation structure for acoustic transducer and musical instrument | Shinji SUMINO | 2017-10-03 |
| 9779712 | Installation structure for acoustic transducer, musical instrument, and installation method of acoustic transducer | — | 2017-10-03 |
| 9591400 | Installation structure for acoustic transducer | — | 2017-03-07 |
| 9532124 | Installation structure for acoustic transducer | Masayuki Satomi, Yuji Takahashi | 2016-12-27 |
| 9508324 | Soundboard acoustic transducer | Yuji Takahashi | 2016-11-29 |
| 9406288 | Actuator for vibrating a sound board in a musical instrument and method for attaching same | Yuji Takahashi | 2016-08-02 |
| 9373314 | Installation structure for acoustic transducer | Yuji Takahashi | 2016-06-21 |
| 9318085 | Automatic player musical instrument, automatic playing system incorporated therein and overheat protector for automatic playing system | — | 2016-04-19 |
| 9269335 | Installation structure for acoustic transducer | Tadaharu Kato, Hiroyuki Murakami, Yuji Takahashi, Yoshiya Matsuo, Shinji SUMINO | 2016-02-23 |
| 9035164 | Keyboard musical instrument | — | 2015-05-19 |
| 8962966 | Keyboard instrument | Rokurouta Mantani, Jun Ishii | 2015-02-24 |