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. 15, 2014
Filed:
Jun. 15, 2012
Daisuke Oshida, Kanagawa, JP;
Masayuki Hirokawa, Kanagawa, JP;
Akira Yamazaki, Kanagawa, JP;
Takashi Fujimori, Kanagawa, JP;
Shigemasa Shiota, Kanagawa, JP;
Shigeru Furuta, Kanagawa, JP;
Daisuke Oshida, Kanagawa, JP;
Masayuki Hirokawa, Kanagawa, JP;
Akira Yamazaki, Kanagawa, JP;
Takashi Fujimori, Kanagawa, JP;
Shigemasa Shiota, Kanagawa, JP;
Shigeru Furuta, Kanagawa, JP;
Renesas Electronics Corporation, Kawasaki-shi, JP;
Abstract
A semiconductor device in related art has a problem that security on confidential information stored is insufficient. A semiconductor device of the present invention has a unique code which is unique to a device and generates unique code corresponding information from the unique code. The semiconductor device has a memory region in which specific information obtained by encrypting confidential information is stored in a region associated with the unique code corresponding information. The specific information read from the memory region is encrypted with the unique code corresponding information to generate the confidential information.