Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11919550 | Rail breakage detection device and rail breakage result management system | Takafumi Nagano, Yoshitsugu Sawa, Wataru Tsujita, Kenzo Makino, Katsunori TSUCHIDA +1 more | 2024-03-05 |
| 11572088 | Rail break detection device | Masashi Asuka, Wataru Tsujita, Yoshitsugu Sawa, Daisuke Koshino | 2023-02-07 |
| 11527987 | Abnormality diagnosis device and abnormality diagnosis method | Hiroshi Inoue, Makoto Kanemaru, Junji Hori, Takuma SASAI | 2022-12-13 |
| 11325623 | Rail breakage detection device and rail breakage detection system | Daisuke Koshino, Masashi Asuka, Wataru Tsujita, Yoshitsugu Sawa | 2022-05-10 |
| 11046341 | Satellite positioning apparatus and train control system capable of determining accurate and limited position range of moving object | Wataru Tsujita, Masahiro Shikai, Tadashi Yamamoto, Masashi Asuka, Seiya Nagashima +1 more | 2021-06-29 |
| 10946879 | Rail fracture detection device | Masashi Asuka, Wataru Tsujita, Yoshitsugu Sawa, Daisuke Koshino | 2021-03-16 |
| 10859708 | Satellite positioning system receiver capable of detecting failure in RF receiver unit including receiving antenna | Wataru Tsujita, Yoshitsugu Sawa, Kenji Kataoka, Tadashi Yamamoto, Seiya Nagashima | 2020-12-08 |
| 10023211 | Train position detecting device | Takaya Katsuragi, Koki Yoshimoto, Wataru Tsujita | 2018-07-17 |