Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859708 | Satellite positioning system receiver capable of detecting failure in RF receiver unit including receiving antenna | Tomoaki Takewa, Wataru Tsujita, Yoshitsugu Sawa, Kenji Kataoka, Tadashi Yamamoto | 2020-12-08 |
| 10640134 | Train position detection device | Wataru Tsujita, Kenji Inomata, Kazuhiro Tahara | 2020-05-05 |
| 10597056 | Train control system, base-station control device, ground wireless base station, and on-vehicle wireless station | Tetsuya Aoyama | 2020-03-24 |