Inventor
SUGA YOZO
JP25 patents
Patents
25 patentsUS3990923ANov 9, 1976
Method of producing grain oriented electromagnetic steel sheet
NIPPON STEEL CORP65 citations94
US4363677ADec 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
US5082509AJan 21, 1992
Method of producing oriented electrical steel sheet having superior magnetic properties
NIPPON STEEL CORP24 citations89
US5346559ASep 13, 1994
Process for manufacturing double oriented electrical steel sheet having high magnetic flux density
NIPPON STEEL CORP14 citations74
US5145533ASep 8, 1992
Process for producing grain-oriented electrical steel sheet having excellent magnetic characteristic
NIPPON STEEL CORP14 citations74
US4997493AMar 5, 1991
Process for production of double-oriented electrical steel sheet having high flux density
NIPPON STEEL CORP12 citations74
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
US5545263AAug 13, 1996
Process for production of grain oriented electrical steel sheet having superior magnetic properties
NIPPON STEEL CORP8 citations73
US5261971ANov 16, 1993
Process for preparation of grain-oriented electrical steel sheet having superior magnetic properties
NIPPON STEEL CORP9 citations73
US5049205ASep 17, 1991
Process for preparing unidirectional silicon steel sheet having high magnetic flux density
NIPPON STEEL CORP18 citations73
US4437909AMar 20, 1984
Process for producing a grain-oriented silicon steel sheet or strip having excellent magnetic properties
NIPPON STEEL CORP11 citations73
US4632708ADec 30, 1986
Annealing separator used in the finishing annealing step for producing a grain-oriented electrical steel sheet
NIPPON STEEL CORP12 citations72
US4623407ANov 18, 1986
Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density
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
US4592789AJun 3, 1986
Process for producing a grain-oriented electromagnetic steel sheet or strip
NIPPON STEEL CORP14 citations71
US4929286AMay 29, 1990
Method for producing a grain-oriented electrical steel sheet
NIPPON STEEL CORP8 citations69
US4623406ANov 18, 1986
Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density
NIPPON STEEL CORP14 citations69
US4108694AAug 22, 1978
Continuously cast slabs for producing grain-oriented electrical steel sheets having excellent magnetic properties
NIPPON STEEL CORP13 citations69
US5370748ADec 6, 1994
Process for manufacturing double oriented electrical steel sheet having high magnetic flux density
NIPPON STEEL CORP6 citations63
US5259892ANov 9, 1993
Process for producing non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing
NIPPON STEEL CORP4 citations63
US5478410ADec 26, 1995
Process for producing grain-oriented electrical steel sheet having low watt loss
NIPPON STEEL CORP4 citations62
US5614034AMar 25, 1997
Process for producing ultrahigh silicon electrical thin steel sheet by cold rolling
NIPPON STEEL CORP5 citations59
US5308411AMay 3, 1994
Ultrahigh silicon, grain-oriented electrical steel sheet and process for producing the same
NIPPON STEEL CORP5 citations59