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:
Oct. 27, 2009
Filed:
Dec. 21, 2004
Applicants:
Tetsurou Tayu, Yokosuka, JP;
Hideaki Ono, Yokohama, JP;
Takae Ono, Legal Representative, Yokohama, JP;
Yoshio Kawashita, Yokosuka, JP;
Makoto Kano, Yokohama, JP;
Munekatsu Shimada, Hachioji, JP;
Inventors:
Tetsurou Tayu, Yokosuka, JP;
Hideaki Ono, Yokohama, JP;
Takae Ono, legal representative, Yokohama, JP;
Yoshio Kawashita, Yokosuka, JP;
Makoto Kano, Yokohama, JP;
Munekatsu Shimada, Hachioji, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/053 (2006.01); H01F 1/057 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rare earth magnet includes rare earth magnet particles; and amorphous and/or crystalline terbium oxide present at the boundary of the rare earth magnet particles and represented by the formula: TbO, wherein 1.5<n≦2. The rare earth magnet prevents decrease eddy current effectively.