Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214343 | Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact | Futoshi Kuniyoshi, Yuji Kaneko, Kazunari Shimauchi, Kazuo Tanaka, Shizuo Mori +1 more | 2007-05-08 |
| 7018485 | Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus | Katsumi Okayama, Shinji Kidowaki, Tadayoshi Muneto | 2006-03-28 |
| 6736343 | Milling apparatus and milling method | Akiyasu Oota, Katsumi Okayama | 2004-05-18 |
| 6474576 | Milling apparatus and milling method | Akiyasu Oota, Katsumi Okayama | 2002-11-05 |
| 6464386 | Method and apparatus for mixing powder with liquid | Akiyasu Oota, Katsumi Okayama | 2002-10-15 |
| 6403024 | Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer | Akiyasu Oota, Katsumi Okayama | 2002-06-11 |
| 6247660 | Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case | Yasuhiko Imai, Koki Tokuhara, Katsumi Okayama, Akiyasu Oota | 2001-06-19 |