Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10453433 | Tone bar woody material, tone bar percussion instrument, and production method of tone bar woody material | Eri HIRAI, Kazuki SOGA | 2019-10-22 |
| 10224010 | Woody material for wind instrument, wind instrument, and production method of woody material for wind instrument | Kazuki SOGA, Kazushi Nakai | 2019-03-05 |