Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247660 | Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case | Koki Tokuhara, Katsumi Okayama, Akiyasu Oota, Akihito Tsujimoto | 2001-06-19 |