Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937404 | Electronic keyboard instrument, method, and storage medium | Hiroki Sato | 2021-03-02 |
HK
Hajime Kawashima — 1 Patent in 2021
Overall (2021): #440,399 of 548,734Top 85%
1
Patents 2021