Issued Patents All Time
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 (All Time): #2,733,729 of 4,157,543Top 70%
1
Patents All Time