Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174526 | Grain-oriented electrical steel sheet and method of manufacturing same | Yukihiro Shingaki, Tomoyuki Okubo | 2021-11-16 |
| 11031163 | Grain-oriented electrical steel sheet and method for manufacturing the same | Takeshi Omura, Shigehiro Takajo | 2021-06-08 |
| 10900113 | Method for manufacturing grain-oriented electrical steel sheet, and nitriding apparatus | Yukihiro Shingaki | 2021-01-26 |