Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665177 | Method for preparing permanent magnet material, chill roll, permanent magnet material, and permanent magnet material powder | Hideki Nakamura, Tetsuhito Yoneyama | 1997-09-09 |
| 5641363 | Sintered magnet and method for making | Hideki Nakamura, Gouichi Nishizawa | 1997-06-24 |