Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10740936 | Trolley-wire display device, trolley-wire display system, and trolley-wire display data creation method | Megumi Irie | 2020-08-11 |
| 10712144 | Trolley-wire measurement device and trolley-wire measurement method | Megumi Irie | 2020-07-14 |