Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173607 | Tunnel excavation device | Naoki Sekiyama, Masahiro Suwano, Taku Arakawa | 2024-12-24 |
| 12173608 | Tunnel excavation device | Naoki Sekiyama | 2024-12-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173607 | Tunnel excavation device | Naoki Sekiyama, Masahiro Suwano, Taku Arakawa | 2024-12-24 |
| 12173608 | Tunnel excavation device | Naoki Sekiyama | 2024-12-24 |