Issued Patents All Time
Showing 1–10 of 10 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 | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2025-05-27 |
| 12234523 | Grain-oriented electrical steel sheet with insulating film and method for manufacturing the same | Makoto Watanabe, Takashi Terashima, Toshito Takamiya | 2025-02-25 |
| 12163232 | Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the same | Takashi Terashima, Toshito Takamiya | 2024-12-10 |
| 12104216 | Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2024-10-01 |
| 12104257 | Electrical steel sheet with insulating film | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2024-10-01 |
| 12033791 | Method for forming film and method for manufacturing electrical steel sheet with insulating film | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2024-07-09 |
| 11981821 | Insulating coating treatment liquid, and grain-oriented electrical steel sheet having insulating coating and method for producing the same | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2024-05-14 |
| 11926888 | Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet | Takashi Terashima, Makoto Watanabe, Toshito Takamiya | 2024-03-12 |
| 11923115 | Insulating coating-attached electrical steel sheet and manufacturing method therefor | Takashi Terashima, Masahiro Suemune, Toshito Takamiya | 2024-03-05 |
| 11473176 | Oriented electrical steel sheet and method for producing same | Takashi Terashima, Toshito Takamiya | 2022-10-18 |