Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045092 | Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy | Atsushi Ogawa | 2006-05-16 |
| 7025930 | Process for handling powder green compacts, and rare earth metal-based magnet | Hiroshi Hashikawa | 2006-04-11 |
| 7014440 | Method of manufacturing rare earth magnet and powder compacting apparatus | Akira Nakamura | 2006-03-21 |
| 6779995 | Process and apparatus for supplying rare earth metal-based alloy powder | Seiichi Kohara, Akira Nakamura | 2004-08-24 |
| 6602352 | Method for manufacturing rare earth magnet and powder compacting apparatus | Akira Nakamura | 2003-08-05 |
| 6537488 | Process for handling powder green compacts and rare earth metal-based magnet | Hiroshi Hashikawa | 2003-03-25 |
| 6537385 | Rare earth magnet and method for manufacturing the same | Katsumi Okayama, Naoyuki Ishigaki | 2003-03-25 |
| 6491765 | Rare earth magnet and method for manufacturing the same | Katsumi Okayama, Naoyuki Ishigaki | 2002-12-10 |
| 6481993 | Process and apparatus for supplying rare earth metal-based alloy powder | Seiichi Kohara, Akira Nakamura | 2002-11-19 |
| 6461565 | Method of pressing rare earth alloy magnetic powder | Koki Tokuhara, Akiyasu Oota | 2002-10-08 |
| 6299832 | Process and apparatus for supplying rare earth metal-based alloy powder | Seiichi Kohara, Akira Nakamura | 2001-10-09 |