Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072861 | Grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet | Kazutoshi Takeda, Tomoya Suenaga, Shuichi Yamazaki, Masaru Takahashi | 2021-07-27 |
| 7998284 | Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film | Kazutoshi Takeda, Fumiaki Takahashi, Shuichi Yamazaki, Hiroyasu Fujii | 2011-08-16 |