Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897027 | Immersion nozzle for continuous casting | Hiroyasu Niitsuma | 2024-02-13 |
| 11806781 | Submerged entry nozzle | Hiroyasu Niitsuma, Takayuki Matsunaga, Ryota Okazaki | 2023-11-07 |