Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10964296 | Board for stringed instrument, acoustic stringed instrument, and method of manufacturing board for stringed instrument | Kazuki SOGA, Hiroshi Nakaya, Kenichi Miyazawa | 2021-03-30 |