Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040626 | AC electric rolling stock controller | Katsuya Nishikawa | 2021-06-22 |
JR
Jungo Rikitake
Overall (2021): #386,480 of 548,734Top 75%
1
Patents 2021