Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6214288 | Method for the preparation of a rare earth permanent magnet | Takehisa Minowa | 2001-04-10 |
| 5405455 | Rare earth-based permanent magnet | Takehisa Minowa, Masao Yoshikawa | 1995-04-11 |