Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167206 | Portable music playing game device | Kenichi Sakai, Katsuhiko Sasaki | 2021-11-09 |
YY
Yoshitaka Yaji
Overall (All Time): #2,759,361 of 4,157,543Top 70%
1
Patents All Time