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. 29, 2013
Filed:
Feb. 23, 2004
Applicants:
Kazuhide Tanaka, Hitachi, JP;
Michiya Okada, Mito, JP;
Masazumi Hirakawa, Yokohama, JP;
Hideyuki Yamada, Matsudo, JP;
Inventors:
Kazuhide Tanaka, Hitachi, JP;
Michiya Okada, Mito, JP;
Masazumi Hirakawa, Yokohama, JP;
Hideyuki Yamada, Matsudo, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Central Japan Railway Company, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An MgBcompound sheath superconducting wire includes a high stable metal having a specific electric resistance 7 μΩcm or below at a room temperature and a high strength metal having a Vickers hardness 50 or above at a room temperature, both of which are assembled therewith to realize a high strength and a lengthy superconductor.