Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9520107 | Keyboard musical instrument | Toshiro Sakai | 2016-12-13 |
| 9269335 | Installation structure for acoustic transducer | Kenta Ohnishi, Hiroyuki Murakami, Yuji Takahashi, Yoshiya Matsuo, Shinji SUMINO | 2016-02-23 |