Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Jilong YIN, Feizhou Wang, Takeyuki Sato | 2022-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Jilong YIN, Feizhou Wang, Takeyuki Sato | 2022-04-19 |