Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670453 | Sensor unit and musical instrument | Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama | 2020-06-02 |
| 10629170 | Board for musical instrument, and stringed instrument | Asumi Matsuda, Kazuyuki Kobayashi | 2020-04-21 |