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:
Dec. 22, 2015
Filed:
Apr. 23, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Hideyuki Noshiro, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/16 (2006.01); G11C 11/15 (2006.01); G11C 11/56 (2006.01);
U.S. Cl.
CPC ...
G11C 11/1675 (2013.01); G11C 11/15 (2013.01); G11C 11/5607 (2013.01);
Abstract
A memory device includes: a memory element which includes three or more resistance states by using plural magneto-resistive elements each having a first resistance state or a second resistance state; and a comparison and determination circuit which compares the resistance states of the memory element before and after one first magneto-resistive element from among the plural magneto-resistive elements in the memory element is rewritten into the first resistance state, and determines the resistance state of the memory element in accordance with the comparison result.