Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8583298 | Signal system on railway vehicle, railway transportation system and railway vehicle | Naoya Tomioka, Morimitsu Kubo | 2013-11-12 |
| 8505855 | Train detector and train security device for dual gauge track circuit | Kenji Kikuchi, Kentaro Ohkubo | 2013-08-13 |