Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761074 | Nitriding apparatus for manufacturing a grain-oriented electrical steel sheet | Hirotaka Inoue | 2023-09-19 |
| 11732348 | Surface treatment facility | Takumi Umada | 2023-08-22 |