Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9685146 | Drum beater and drum foot pedal apparatus | Fumihiro Shigenaga | 2017-06-20 |
SI
Shinsuke Irisa
Overall (2017): #245,231 of 506,227Top 50%
1
Patents 2017