Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167369 | Method of manufacturing welded structure of ferritic heat-resistant steel and welded structure of ferritic heat-resistant steel | Yasushi Hasegawa | 2021-11-09 |
| 11060156 | Method of manufacturing welded structure of ferritic heat-resistant steel and welded structure of ferritic heat-resistant steel | Yasushi Hasegawa | 2021-07-13 |