Inventor
FUJIMURA SETSUO
JP27 patents
Patents
27 patentsUS4770723ASep 13, 1988
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS196 citations99
US4792368ADec 20, 1988
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS143 citations98
US5645651AJul 8, 1997
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS50 citations96
US4684406AAug 4, 1987
Permanent magnet materials
SUMITOMO SPEC METALS59 citations96
US4601875AJul 22, 1986
Process for producing magnetic materials
SUMITOMO SPEC METALS98 citations96
US4597938AJul 1, 1986
Process for producing permanent magnet materials
SUMITOMO SPEC METALS111 citations96
US4773950ASep 27, 1988
Permanent magnet
SUMITOMO SPEC METALS46 citations95
US4826546AMay 2, 1989
Process for producing permanent magnets and products thereof
SUMITOMO SPEC METALS33 citations93
US5766372AJun 16, 1998
Method of making magnetic precursor for permanent magnets
SUMITOMO SPEC METALS17 citations92
US5230749AJul 27, 1993
Permanent magnets
SUMITOMO SPEC METALS26 citations92
US4859255AAug 22, 1989
Permanent magnets
SUMITOMO SPEC METALS25 citations92
US4840684AJun 20, 1989
Isotropic permanent magnets and process for producing same
SUMITOMO SPEC METALS27 citations92
US4770702ASep 13, 1988
Process for producing the rare earth alloy powders
SUMITOMO SPEC METALS40 citations92
US4767474AAug 30, 1988
Isotropic magnets and process for producing same
SUMITOMO SPEC METALS33 citations92
US5466308ANov 14, 1995
Magnetic precursor materials for making permanent magnets
SUMITOMO SPEC METALS17 citations82
US5194098AMar 16, 1993
Magnetic materials
SUMITOMO SPEC METALS19 citations82
US4975130ADec 4, 1990
Permanent magnet materials
SUMITOMO SPEC METALS20 citations82
US4769063ASep 6, 1988
Method for producing rare earth alloy
SUMITOMO SPEC METALS21 citations81
US4767450AAug 30, 1988
Process for producing the rare earth alloy powders
SUMITOMO SPEC METALS21 citations81
US5192372AMar 9, 1993
Process for producing isotropic permanent magnets and materials
SUMITOMO SPEC METALS13 citations74
US5183516AFeb 2, 1993
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS12 citations74
US5167914ADec 1, 1992
Rare earth magnet having excellent corrosion resistance
SUMITOMO SPEC METALS17 citations74
US5110377AMay 5, 1992
Process for producing permanent magnets and products thereof
SUMITOMO SPEC METALS15 citations74
US5096512AMar 17, 1992
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS8 citations74
US4601876AJul 22, 1986
Sintered Fe-Cr-Co type magnetic alloy and method for producing article made thereof
SUMITOMO SPEC METALS13 citations74
US4975129ADec 4, 1990
Permanent magnet
SUMITOMO SPEC METALS13 citations73
US4898613AFeb 6, 1990
Rare earth alloy powder used in production of permanent magnets
SUMITOMO SPEC METALS7 citations73