Inventor
HAMAMURA ATSUSHI
JP5 patents
Patents
5 patentsUS4942098AJul 17, 1990
Corrosion resistant permanent magnet
SUMITOMO SPEC METALS24 citations92
US5281250AJan 25, 1994
Powder material for rare earth-iron-boron based permanent magnets
SUMITOMO SPEC METALS27 citations90
US4959273ASep 25, 1990
Corrosion-resistant permanent magnet and method for preparing the same
SUMITOMO SPEC METALS22 citations78
US4968529ANov 6, 1990
Process for producing a corrosion resistant permanent magnet
SUMITOMO SPEC METALS13 citations73
US5387356AFeb 7, 1995
Process of producing calcined materials for ferrite magnet
SUMITOMO SPEC METALS5 citations60