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:
Jul. 24, 2007
Filed:
Oct. 05, 2005
Applicants:
Kenji Misumi, Osaka, JP;
Atsushi Fujiwara, Osaka, JP;
Masanori Matsuura, Osaka, JP;
Toshio Nishimoto, Shiga, JP;
Inventors:
Kenji Misumi, Osaka, JP;
Atsushi Fujiwara, Osaka, JP;
Masanori Matsuura, Osaka, JP;
Toshio Nishimoto, Shiga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A writing operation selecting circuit is provided for selecting a temporary writing operation having a prescribed writing time for a memory cell transistor element and an additional writing operation for the memory cell transistor element. A writing time control circuit is provided for controlling an additional writing operation time by an output signal of the writing operation selecting circuit.