Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743394 | Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet | Tsuyoshi Wada, Katsumi Okayama | 2004-06-01 |
| 6736343 | Milling apparatus and milling method | Akihito Tsujimoto, Katsumi Okayama | 2004-05-18 |
| 6696015 | Method for producing rare-earth magnet | Koki Tokuhara, Tsuyoshi Wada, Katsumi Okayama, Tomoiku Ohtani, Kunitoshi Kanno | 2004-02-24 |