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 7639538 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 29, 2009

Filed:

Apr. 14, 2008
Applicants:

Tetsuya Murakami, Komae, JP;

Takashi Oshima, Chiba, JP;

Inventors:

Tetsuya Murakami, Komae, JP;

Takashi Oshima, Chiba, JP;

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

A semiconductor device includes a transfer section which receives, from an external source, a second program for modifying a function of a first program stored in a read-only memory (ROM) and information required in activation of the second program, and which writes the program and the information to a nonvolatile semiconductor memory, and a load section which activates the second program on the basis of the information written to the nonvolatile semiconductor memory to modify the function of the first program.


Find Patent Forward Citations

Murakami, Tetsuya. (2009). Memory card, semiconductor device, and method of controlling memory card (U.S. Patent No. 7639538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7639538

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