Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5387356 | Process of producing calcined materials for ferrite magnet | — | 1995-02-07 |
| 5281250 | Powder material for rare earth-iron-boron based permanent magnets | Katsumi Okayama, Yuji Kaneko, Yasuhiro Okajima, Kaname Takeya, Shuji Okada | 1994-01-25 |
| 4968529 | Process for producing a corrosion resistant permanent magnet | Takaki Hamada, Hiroko Nakamura, Tomoyuki Imai, Toshiki Matsui, Nanao Horiishi | 1990-11-06 |
| 4959273 | Corrosion-resistant permanent magnet and method for preparing the same | Takaki Hamada, Kouki Tokuhara, Yukimitsu Miyao, Tomoyuki Imai, Nanao Horiishi | 1990-09-25 |
| 4942098 | Corrosion resistant permanent magnet | Takaki Hamada, Hiroko Nakamura, Tomoyuki Imai, Toshiki Matsui, Nanao Horiishi | 1990-07-17 |