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. 21, 2008
Filed:
Dec. 24, 2002
Applicants:
Kazuaki Sakaki, Takefu, JP;
Masaki Kasashima, Takefu, JP;
Ryuji Hamada, Takefu, JP;
Takehisa Minowa, Takefu, JP;
Inventors:
Kazuaki Sakaki, Takefu, JP;
Masaki Kasashima, Takefu, JP;
Ryuji Hamada, Takefu, JP;
Takehisa Minowa, Takefu, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/053 (2006.01);
U.S. Cl.
CPC ...
Abstract
Hydrogen embrittlement is prevented in SmCo-based magnets and RFeB-based magnets by metal plating the magnet, then carrying out heat treatment, or by forming a metal oxide or metal nitride layer on the metal plating layer or directly on the magnet itself.
Sakaki, Kazuaki. (2008). Rare earth element sintered magnet and method for producing rare earth element sintered magnet (U.S. Patent No. 7438768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7438768
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile