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:
Nov. 21, 2006
Filed:
Jun. 10, 2004
Applicants:
Tomoki Higashi, Kanagawa, JP;
Takashi Ohsawa, Kanagawa, JP;
Inventors:
Tomoki Higashi, Kanagawa, JP;
Takashi Ohsawa, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 (2006.01); G11C 11/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor storage device includes memory cells having a floating body region and storing data by accumulating or releasing electric charges in or from the floating body region; a memory cell array including a matrix arrangement of the memory cells; a plurality of word lines each connected to the memory cells of each row in the memory cell array; and a counter cell array including counter cells each provided in correspondence to each word line to store occurrences of activation of the word line to read out data from the memory cells.