Inventor
OOTA AKIYASU
JP9 patents
Patents
9 patentsUS6474576B1Nov 5, 2002
Milling apparatus and milling method
SUMITOMO SPEC METALS19 citations91
US6464931B1Oct 15, 2002
Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet
SUMITOMO SPEC METALS16 citations91
US6461565B2Oct 8, 2002
Method of pressing rare earth alloy magnetic powder
SUMITOMO SPEC METALS22 citations91
US6403024B1Jun 11, 2002
Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer
SUMITOMO SPEC METALS39 citations91
US6696015B2Feb 24, 2004
Method for producing rare-earth magnet
SUMITOMO SPEC METALS17 citations81
US6736343B2May 18, 2004
Milling apparatus and milling method
SUMITOMO SPEC METALS10 citations72
US6247660B1Jun 19, 2001
Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case
SUMITOMO SPEC METALS12 citations71
US6743394B2Jun 1, 2004
Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet
SUMITOMO SPEC METALS3 citations61
US6464386B1Oct 15, 2002
Method and apparatus for mixing powder with liquid
SUMITOMO SPEC METALS6 citations61