Inventor

USHIGAMI YOSHIYUKI

JP76 patents

⚠️ This page may combine multiple inventors who share the name “USHIGAMI YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

USHIGAMI YOSHIYUKI

NIPPON STEEL CORP

Grain oriented silicon steel sheet having low core loss and method of manufacturing same

Process for production of grain oriented electrical steel sheet having excellent magnetic properties

Method of producing oriented electrical steel sheet having superior magnetic properties

Very thin electrical steel strip having low core loss and high magnetic flux density and a process for producing the same

Method to produce grain-oriented electrical steel sheet having high magnetic flux density

Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip

Method for producing a grain-oriented electrical steel sheet having a mirror surface and improved core loss

Process for manufacturing double oriented electrical steel sheet having high magnetic flux density

Process for producing grain-oriented electrical steel sheet having high magnetic flux density

Process for producing grain-oriented electrical steel sheet having excellent magnetic characteristic

Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface

Process for production of double-oriented electrical steel sheet having high flux density

Grain-oriented electrical steel sheet and method for manufacturing same

Method for producing grain oriented electrical steel sheet

Grain oriented electrical steel sheet having specular surface

Grain-oriented electrical steel sheet, and steel sheet serving as base sheet for grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same

Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface

Method of forming an insulating film on a magnetic steel sheet

Process for manufacturing double oriented electrical steel sheet having high magnetic flux density

Grain-oriented electrical steel sheet and manufacturing method of the same

Grain oriented electrical steel sheet and producing method thereof

Grain-oriented electrical steel sheet and method for manufacturing the same

Grain-oriented electrical steel sheet and method for manufacturing the same

Grain oriented electrical steel sheet

Grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet

Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

Method of production of grain-oriented electrical steel sheet having a high magnetic flux density

Method of production of grain-oriented electrical steel sheet with high magnetic flux density

Grain-oriented electrical steel sheet superior in core loss characteristic

Grain-oriented silicon steel sheet excellent in adhesiveness to tension-creating insulating coating films and method for producing the same

Process for producing grain-oriented electrical steel sheet having low watt loss

Wound core

Process for preparation of oriented electrical steel sheet having high flux density

Process for preparing wound core having low core loss

Process for producing ultrahigh silicon electrical thin steel sheet by cold rolling

Ultrahigh silicon, grain-oriented electrical steel sheet and process for producing the same

Grain-oriented electrical steel sheet and method of producing the same

Grain-oriented electrical steel sheet and method for manufacturing the same

Grain-oriented electrical steel sheet

Method for producing grain oriented electrical steel sheet

KUMANO TOMOJI

Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

Manufacturing method of grain-oriented electrical steel sheet

SAKAI TATSUHIKO

Grain-oriented electrical steel sheet and manufacturing method thereof

NIPPON STEEL & SUMITOMO METAL CORP

Non-oriented electrical steel sheet and manufacturing method thereof

IWANAGA ISAO

Method of manufacturing grain-oriented electrical steel sheet