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:
Mar. 16, 1993
Filed:
Nov. 20, 1991
Applicant:
Inventors:
Shuichiro Shimoda, Katsuta, JP;
Toranosuke Ashizawa, Katsuta, JP;
Keiji Sumiya, Katsuta, JP;
Hideji Kuwajima, Katsuta, JP;
Minoru Ishihara, Katsuta, JP;
Shozo Yamana, Hitachi, JP;
Assignee:
Hitachi Chemical Company, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01G / ; C01G / ; H01L / ;
U.S. Cl.
CPC ...
505-1 ; 252518 ; 252521 ; 505776 ; 505782 ;
Abstract
The present invention provides an oxide superconductor which is mainly composed of bismuth, lead, strontium, calcium, magnesium, and copper and has the composition represented by the formula: