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:
Sep. 27, 2005
Filed:
Sep. 03, 2003
Applicant:
Yasushi Matsubara, Tokyo, JP;
Inventor:
Yasushi Matsubara, Tokyo, JP;
Assignee:
Elpida Memory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C007/00 ;
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device which can reduce the frequency of a CBR (column before row) refresh operation comprises a memory cell array having a plurality of memory cells, and a CBR refresh unit responsive to m receptions of CBR refresh commands for performing a refresh operation once for the memory cell array.
Quick Actions:
Matsubara, Yasushi. (2005). Semiconductor memory device (U.S. Patent No. 6950363). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6950363
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