Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9831644 | Connection structure between main transformer and high-voltage device box and railcar including same | Hiroyuki Kawasaki, Ryoji Negi | 2017-11-28 |
HS
Hiroyuki Sakurai
Overall (2017): #401,061 of 506,227Top 80%
1
Patents 2017