The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2005
Filed:
Feb. 14, 2001
Applicants:
Yasunari Yoshitomi, Kitakyushu, JP;
Hiroaki Masui, Kitakyushu, JP;
Nobuyuki Takahashi, Kitakyushu, JP;
Inventors:
Yasunari Yoshitomi, Kitakyushu, JP;
Hiroaki Masui, Kitakyushu, JP;
Nobuyuki Takahashi, Kitakyushu, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D008/00 ;
U.S. Cl.
CPC ...
Abstract
A grain-oriented electrical steel sheet comprising 2.5-4.5% Si by weight and measuring 0.36-1.00 mm in thickness is imparted with a good core loss value for its thickness by controlling its C content, flux density, grain boundary configuration, and deviation degree of crystal orientation in the grains.