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:
Jan. 16, 2007
Filed:
Jan. 17, 2003
Applicants:
Takashi Umemoto, Hirakata, JP;
Hideki Yoshikawa, Takarazuka, JP;
Keiichi Kuramoto, Kadoma, JP;
Hitoshi Hirano, Nishinomiya, JP;
Inventors:
Takashi Umemoto, Hirakata, JP;
Hideki Yoshikawa, Takarazuka, JP;
Keiichi Kuramoto, Kadoma, JP;
Hitoshi Hirano, Nishinomiya, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G 49/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A production process for an oxide magnetic material comprising the steps of blending raw material powder so as to take the composition of a hexagonal ferrite including: at least one kind of an element A selected from the group consisting of Ba, Sr and Ca; Co and Cu; Fe; and O; and sintering said blended powder at a temperature lower than 1000° C.