Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11220728 | Aluminum alloy pipe-shaped hollow material and piping material for heat exchanger | Naoki Yamashita | 2022-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11220728 | Aluminum alloy pipe-shaped hollow material and piping material for heat exchanger | Naoki Yamashita | 2022-01-11 |