Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |