Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D929494 | Wind instrument | Keizo Tatsumi | 2021-08-31 |
| D929495 | Wind instrument | Keizo Tatsumi | 2021-08-31 |
YS
Yuichiro Suenaga
Overall (2021): #93,786 of 548,734Top 20%
2
Patents 2021