| 9773593 |
Method for producing sintered ferrit magnet, and sintered ferrite magnet |
Yoshinori Kobayashi |
2017-09-26 |
| 9601247 |
Sintered ferrite magnet and its production method |
Yoshinori Kobayashi, Seiichi Hosokawa |
2017-03-21 |
| 9601248 |
Calcined ferrite, sintered ferrite magnet and its production method |
Hiroshi Iwasaki |
2017-03-21 |
| 9162928 |
Method for producing sintered ferrite magnet, and sintered ferrite magnet |
Yoshinori Kobayashi |
2015-10-20 |
| 8506838 |
Sintered ferrite magnet and its production method |
Seiichi Hosokawa, Hiroshi Iwasaki |
2013-08-13 |
| 8206606 |
Oxide magnetic material |
Seiichi Hosokawa, Yoshinori Kobayashi, Yasunobu Ogata |
2012-06-26 |
| 7144642 |
Permanent magnet and method for preparation thereof |
Seiichi Hosokawa, Sachio Toyota |
2006-12-05 |
| 6994797 |
Permanent magnet and method for preparation thereof |
Sachio Toyota, Seiichi Hosokawa |
2006-02-07 |
| 6955768 |
Permanent magnet and method for preparation thereof |
Seiichi Hosokawa, Sachio Toyota |
2005-10-18 |
| 6929758 |
Permanent magnet and method for preparation thereof |
Sachio Toyota, Seiichi Hosokawa |
2005-08-16 |
| 6630084 |
Method of making ferrite material powder by spray pyrolysis process and method of producing ferrite magnet |
— |
2003-10-07 |