Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060472 | Engine working machine | Hideo Shimoji, Tatsuya Ueshima, Hiroki Murata | 2021-07-13 |
YI
Yuki Ishii
Overall (2021): #195,301 of 548,734Top 40%
1
Patents 2021