Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203709 | Heat-transferring double pipe, inner pipe for heat-transferring double pipe, and manufacturing method thereof | Takuro Nakamura | 2025-01-21 |
| 12111117 | Double pipe for heat exchanger | Tetsuro HATA, Takuro Nakamura | 2024-10-08 |