Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10766367 | Train control device | Junko Yamamoto, Hirotoshi Kawai, Satoshi Iba, Yohei Hattori | 2020-09-08 |
| 10569793 | Train control device | Junko Yamamoto, Satoshi Iba, Yohei Hattori | 2020-02-25 |