Inventor
KUROKI KATSURO
JP24 patents
Patents
24 patentsUS4293350AOct 6, 1981
Grain-oriented electromagnetic steel sheet with improved watt loss
NIPPON STEEL CORP57 citations95
US3990923ANov 9, 1976
Method of producing grain oriented electromagnetic steel sheet
NIPPON STEEL CORP65 citations94
US4979997ADec 25, 1990
Process for producing grain-oriented electrical steel sheet having superior magnetic and surface film characteristics
NIPPON STEEL CORP29 citations92
US4203784AMay 20, 1980
Grain oriented electromagnetic steel sheet
NIPPON STEEL CORP33 citations92
US5507883AApr 16, 1996
Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same
NIPPON STEEL CORP30 citations91
US5512110AApr 30, 1996
Process for production of grain oriented electrical steel sheet having excellent magnetic properties
NIPPON STEEL CORP37 citations90
US4994120AFeb 19, 1991
Process for production of grain oriented electrical steel sheet having high flux density
NIPPON STEEL CORP12 citations74
US4938807AJul 3, 1990
Process for production of grain oriented electrical steel sheet having high flux density
NIPPON STEEL CORP13 citations74
US5782998AJul 21, 1998
Grain oriented electrical steel sheet having specular surface
NIPPON STEEL CORP7 citations73
US5049205ASep 17, 1991
Process for preparing unidirectional silicon steel sheet having high magnetic flux density
NIPPON STEEL CORP18 citations73
US4863532ASep 5, 1989
Grain-oriented electromagnetic steel sheet
NIPPON STEEL CORP13 citations73
US4753692AJun 28, 1988
Grain-oriented electromagnetic steel sheet and process for producing the same
NIPPON STEEL CORP14 citations73
US4692193ASep 8, 1987
Process for producing a grain-oriented electrical steel sheet having a low watt loss
NIPPON STEEL CORP13 citations73
US4595426AJun 17, 1986
Grain-oriented silicon steel sheet and process for producing the same
NIPPON STEEL CORP16 citations73
US4552596ANov 12, 1985
Grain-oriented electromagnetic steel sheet with improved watt loss
NIPPON STEEL CORP10 citations73
US4318758AMar 9, 1982
Method for producing a grain-oriented magnetic steel sheet having good magnetic properties
NIPPON STEEL CORP18 citations73
US5840131ANov 24, 1998
Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties
NIPPON STEEL CORP12 citations72
US5261972ANov 16, 1993
Process for producing grain-oriented electrical steel strip having high magnetic flux density
NIPPON STEEL CORP10 citations72
US4806176AFeb 21, 1989
Process for producing a grain-oriented electromagnetic steel sheet having a high magnetic flux density
NIPPON STEEL CORP13 citations71
US4742706AMay 10, 1988
Strain imparting device
NIPPON STEEL CORP16 citations71
US4548656AOct 22, 1985
Method and apparatus for reducing the watt loss of a grain-oriented electromagnetic steel sheet and a grain-oriented electromagnetic steel sheet having a low watt loss
NIPPON STEEL CORP11 citations71
US4979996ADec 25, 1990
Process for preparation of grain-oriented electrical steel sheet comprising a nitriding treatment
NIPPON STEEL CORP18 citations70
US4992114AFeb 12, 1991
Process for producing grain-oriented thin electrical steel sheet having high magnetic flux density by one-stage cold-rolling method
NIPPON STEEL CORP5 citations62
US4948433AAug 14, 1990
Process for preparation of thin grain oriented electrical steel sheet having excellent iron loss and high flux density
NIPPON STEEL CORP4 citations61