Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924050 | Railway signalling system and on-board signalling system | Keiichi Katsuta, Yoichi Sugita, Keiji Maekawa, Naoki Shibata, Kenji IMAMOTO | 2014-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924050 | Railway signalling system and on-board signalling system | Keiichi Katsuta, Yoichi Sugita, Keiji Maekawa, Naoki Shibata, Kenji IMAMOTO | 2014-12-30 |