Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098384 | Sulfur additive for molten steel and method for producing resulfurized steel | Hajime Hasegawa, Mitsuhiro Matsushima, Tetsuro Sekiuchi | 2021-08-24 |
| 10761035 | Diagnosis support apparatus, diagnosis support method, diagnosis method, and repair method of vacuum degassing tank | Michio Nitta, Masaki Miyashita, Seiya Fujita, Naoki Watabe | 2020-09-01 |