Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056393 | Method of making sintered compact for rare earth magnet | Hitoshi Morimoto | 2006-06-06 |
| 6969244 | Powder compacting apparatus and method of producing a rare-earth magnet using the same | Futoshi Kuniyoshi, Kunitoshi Kanno, Hitoshi Morimoto, Tomoiku Ohtani, Ryoji Ono | 2005-11-29 |
| 6696015 | Method for producing rare-earth magnet | Akiyasu Oota, Tsuyoshi Wada, Katsumi Okayama, Tomoiku Ohtani, Kunitoshi Kanno | 2004-02-24 |
| 6511631 | Powder compacting apparatus and method of producing a rare-earth magnet using the same | Futoshi Kuniyoshi, Kunitoshi Kanno, Hitoshi Morimoto, Tomoiku Ohtani, Ryoji Ono | 2003-01-28 |
| 6461565 | Method of pressing rare earth alloy magnetic powder | Shuhei Okumura, Akiyasu Oota | 2002-10-08 |
| 6331214 | Monolithically bonded construct of rare-earth magnet and metal material and method for bonding same | Masaki Koga, Nobutaka Suzuki, Hitoshi Saitoh, Kenshiro Oyamada, Shuji Mino +2 more | 2001-12-18 |
| 6247660 | Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case | Yasuhiko Imai, Katsumi Okayama, Akiyasu Oota, Akihito Tsujimoto | 2001-06-19 |
| 5788782 | R-FE-B permanent magnet materials and process of producing the same | Yuji Kaneko, Naoyuki Ishigaki | 1998-08-04 |
| 5387291 | Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor | Yuji Kaneko | 1995-02-07 |