Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506265 | R-Fe-B base permanent magnet materials | Kenji Yamamoto, Takehisa Minowa | 2003-01-14 |
| 6296720 | Rare earth/iron/boron-based permanent magnet alloy composition | Kenji Yamamoto, Takehisa Minowa | 2001-10-02 |