Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9583079 | Silencer for wind instrument | Yuichiro Suenaga | 2017-02-28 |
KT
Keizo Tatsumi
Overall (2017): #346,576 of 506,227Top 70%
1
Patents 2017