Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198455 | Connecting hanger bolt and connecting hanger bolt installation mechanism | Mitsuru Yokoyama | 2021-12-14 |
| 11183164 | Horn device for railcar | Mitsuru Yokoyama | 2021-11-23 |
| 11173790 | Wire supporting structure supporting electric wire extending between bogie and carbody in railcar and method of connecting electric wire | Mitsuru Yokoyama | 2021-11-16 |