Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174711 | Piston for internal combustion engine | Yositaka Tsujii | 2019-01-08 |
RT
Ryotaro Takada
Overall (2019): #287,319 of 560,194Top 55%
1
Patents 2019