Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821357 | Permanent magnets and R-TM-B based permanent magnets | Osamu Yamashita | 2004-11-23 |
| 6752879 | Rare earth magnet and method for manufacturing the same | Shigeru Takaki | 2004-06-22 |