Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090755 | Welding material for ferritic heat-resistant steel, welded joint for ferritic heat-resistant steel, and method for producing welded joint for ferritic heat-resistant steel | Hiroyuki Hirata, Kana JOTOKU, Tomoaki Hamaguchi, Toshihide Ono | 2021-08-17 |
| 11021778 | Austenitic stainless steel weld metal and welded structure | Hiroyuki Hirata, Kana JOTOKU | 2021-06-01 |