Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045896 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Kenichi Iwazaki | 2021-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045896 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Kenichi Iwazaki | 2021-06-29 |