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. 12, 1993
Filed:
Jun. 07, 1991
Applicant:
Inventors:
Toshihiko Maeda, Tokyo, JP;
Kazuhiro Sakuyama, Ichikawa, JP;
Shin-ichi Koriyama, Urayasu, JP;
Ataru Ichinose, Yokosuka, JP;
Hisao Yamauchi, Urayasu, JP;
Shoji Tanaka, Tokyo, JP;
Assignees:
International Superconductivity Technology Center, Tokyo, JP;
Tohoku Electric Power Company, Incorporated, Sendai, JP;
Kyocera Corporation, Kyoto, JP;
Central Research Institute of Electric Power Industry, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01F / ; C01G / ; H01L / ;
U.S. Cl.
CPC ...
505-1 ; 252521 ; 505778 ; 505779 ;
Abstract
An oxide superconductor which has a composition expressed by the following general formula and whose crystal structure is 1222-phase structure.