Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11410805 | R-Fe-B sintered magnet | Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura | 2022-08-09 |
| 11315710 | R-Fe-B sintered magnet and making method | Koichi Hirota, Masayuki Kamata | 2022-04-26 |