Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959273 | Corrosion-resistant permanent magnet and method for preparing the same | Atsushi Hamamura, Takaki Hamada, Yukimitsu Miyao, Tomoyuki Imai, Nanao Horiishi | 1990-09-25 |