Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31317 | Rare earth-cobalt system permanent magnetic alloys and method of preparing same | Nobuo Imaizumi | 1983-07-19 |
| 4221613 | Rare earth-cobalt system permanent magnetic alloys and method of preparing same | Nobuo Imaizumi | 1980-09-09 |