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:
Feb. 27, 2007
Filed:
May. 29, 2002
Nagamasa Mizushima, Kawasaki, JP;
Takashi Tsunehiro, Kawasaki, JP;
Motoyasu Tsunoda, Kawasaki, JP;
Toshio Tanaka, Kawasaki, JP;
Kunihiro Katayama, Kawasaki, JP;
Koichi Kimura, Kawasaki, JP;
Tomihisa Hatano, Kawasaki, JP;
Nagamasa Mizushima, Kawasaki, JP;
Takashi Tsunehiro, Kawasaki, JP;
Motoyasu Tsunoda, Kawasaki, JP;
Toshio Tanaka, Kawasaki, JP;
Kunihiro Katayama, Kawasaki, JP;
Koichi Kimura, Kawasaki, JP;
Tomihisa Hatano, Kawasaki, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
It is an object of the invention to improve security of a storage apparatus. The invention has: a flash memory chip; an IC card chip which can execute a security process (encryption, decryption, etc.); and a controller chip for controlling read/write of data from/into the flash memory chip and the IC card chip in response to a request from a host.