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. 10, 2006
Filed:
Mar. 26, 2004
Tetsurou Tayu, Kanagawa, JP;
Takae Ono, Legal Representative, Yokohama, JP;
Makoto Kano, Yokohama, JP;
Munekatsu Shimada, Tokyo, JP;
Yoshio Kawashita, Kanagawa, JP;
Takeshi Yamauchi, Yokohama, JP;
Tetsurou Tayu, Kanagawa, JP;
Takae Ono, legal representative, Yokohama, JP;
Makoto Kano, Yokohama, JP;
Munekatsu Shimada, Tokyo, JP;
Yoshio Kawashita, Kanagawa, JP;
Takeshi Yamauchi, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A rare earth magnet to be used in a motor. The rare earth magnet comprises rare earth magnet particles. Additionally, a rare earth oxide is present among the rare earth magnet particles, the rare earth oxide being represented by the following general formula (I):RR'O  (I)where each of R and R′ is one element selected from the group consisting of yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb) and lutetium (Lu), and 0<x<1.