Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10116871 | Tunnel lining surface inspection system and vehicle used for tunnel lining surface inspection system | Yukio Akashi, Kazuaki Hashimoto | 2018-10-30 |
| 9869064 | Device for inspecting shape of road travel surface | Yukio Akashi, Kazuaki Hashimoto | 2018-01-16 |