Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10720271 | R-Fe-B sintered magnet | Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota | 2020-07-21 |
| 10573438 | R-(Fe, Co)-B sintered magnet and making method | Koichi Hirota, Masayuki Kamata, Takahiro Hashimoto | 2020-02-25 |