Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809236 | Railroad electric power management system | Hideatsu Yamanaka | 2017-11-07 |
| 9764649 | Power management apparatus, power management method and power management program | Yumi Hanashima, Tatsuhiro Yamaguchi, Koji Otsuji, Kenichi Tanomura, Masayuki Nogi +1 more | 2017-09-19 |
| 9707862 | Power management apparatus and power management system | Yumi Hanashima, Hiroki Hara, Hiroyuki Kaneko | 2017-07-18 |