Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312694 | Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating | Karin Kokufu, Makoto Watanabe, Toshito Takamiya | 2025-05-27 |
| 12234523 | Grain-oriented electrical steel sheet with insulating film and method for manufacturing the same | Karin Kokufu, Makoto Watanabe, Toshito Takamiya | 2025-02-25 |