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. 29, 1994
Filed:
Jul. 01, 1993
Applicant:
Inventor:
Masahiko Yanagi, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365149 ; 365176 ; 257 66 ; 257306 ; 257309 ; 257311 ;
Abstract
A dynamic random access memory device for storing 2-bit information, including a memory cell having two access transistors and one capacitor, wherein one of the access transistors is composed of a thin film transistor and disposed above the other access transistor which is formed in a substrate; and the capacitor is sandwiched by the two access transistors.
Yanagi, Masahiko. (1994). Dynamic random access memory device with capacitor between vertically (U.S. Patent No. 5299155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5299155
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