Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11938980 | Signal control device and abnormality detection method | Ken Shibata, Tetsuo Komura, Hiromi Goda, Hiroshi Jota | 2024-03-26 |
| 10507739 | Train-energy control system, ground device, and on-board device | Yoshihito Takigawa, Tetsuo Komura, Masayuki Takeyama, Yoshinori Yamashita | 2019-12-17 |