Inventor
NAKAMURA MOTOHARU
JP8 patents
Patents
8 patentsUS4363677ADec 14, 1982
Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface
NIPPON STEEL CORP43 citations91
US4750949AJun 14, 1988
Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same
NIPPON STEEL CORP46 citations90
US4190468AFeb 26, 1980
Process for coating an electrical steel sheet with an anti-sticking layer
NIPPON STEEL CORP10 citations73
US4632708ADec 30, 1986
Annealing separator used in the finishing annealing step for producing a grain-oriented electrical steel sheet
NIPPON STEEL CORP12 citations72
US3941623AMar 2, 1976
Method for producing a grain-oriented electrical steel sheet using separators comprising metal nitrides
NIPPON STEEL CORP12 citations72
US4825807AMay 2, 1989
Apparatus for applying anti-sticking agent on annealed oriented electrical sheet steel in coil
NIPPON STEEL CORP18 citations70
US4537792AAug 27, 1985
Method of applying an annealing separator to grain oriented magnetic steel sheets
NIPPON STEEL CORP10 citations69
US4618377AOct 21, 1986
Method for surface treatment of electrical steel sheet
NIPPON STEEL CORP19 citations65