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.

Date of Patent:
Apr. 19, 2005

Filed:

Feb. 27, 2002
Applicants:

Hiroaki Kimura, Kawasaki, JP;

Yuji Shirahige, Kawasaki, JP;

Iwao Yamazaki, Kawasaki, JP;

Inventors:

Hiroaki Kimura, Kawasaki, JP;

Yuji Shirahige, Kawasaki, JP;

Iwao Yamazaki, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F012/14 ;
U.S. Cl.
CPC ...
Abstract

In an information processsing unit with key controlled protection, since it takes a long time to fetch a storage key from key storage, an instruction and computation unit of a CPU receives data from a memory control unit of the CPU before a key is received, and then the transferred storage key is checked.


Find Patent Forward Citations

Loading…