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.:

US 7460400 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 02, 2008

Filed:

Aug. 22, 2007
Applicant:

Takashi Kikuchi, Fukuoka, JP;

Inventor:

Takashi Kikuchi, Fukuoka, JP;

Assignee:

NSCore Inc., Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A nonvolatile semiconductor memory device includes a plurality of control lines, a control circuit configured to assert selected ones of the control lines, and a plurality of memory cell arranged in rows and columns and including respective latch circuits and respective nonvolatile memory cells, wherein the memory cell units are configured to perform a write operation in which the latch circuits of the memory cell units on a selected row store respective bits of the input data, and are further configured to perform a store operation in which the respective bits of the input data are transferred from the latch circuits to the nonvolatile memory cells for storage therein in response to assertion of respective control lines by the control circuit, so that only one or more selective bits of the input data selected by the control circuit are stored in the nonvolatile memory cells.


Find Patent Forward Citations

Kikuchi, Takashi. (2008). Nonvolatile memory utilizing mis memory transistors with bit mask function (U.S. Patent No. 7460400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7460400

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