Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198458 | Speed control device, wireless train control system, and speed control method | Satoshi Nakamura | 2021-12-14 |
| 10953901 | Train operation control system and train operation control method | — | 2021-03-23 |