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.

Date of Patent:
Aug. 13, 2002

Filed:

Oct. 03, 2001
Applicant:
Inventors:

Yasuyuki Hayakawa, Okayama, JP;

Mitsumasa Kurosawa, Okayama, JP;

Michiro Komatsubara, Okayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/04 ;
U.S. Cl.
CPC ...
H01F 1/04 ;
Abstract

Electromagnetic steel sheet from a high-purity steel slab, composed essentially of Si 2.0 to 8.0 wt %, Mn 0.005 to 3.0 wt % and Al 0.0010 to 0.012 wt % with each of Se, S, N and O each not more than 30 ppm.


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