Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066719 | Duplex stainless steel and method of manufacturing duplex stainless steel | Daisuke Motoya, Masayuki Sagara | 2021-07-20 |
| 9004341 | Method for producing welded steel pipe and welded steel pipe | — | 2015-04-14 |
| 7231792 | Method and device for manufacturing UOE steel pipes | Tetsuya Fukuba, Yoshimasa Matsumoto | 2007-06-19 |