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:
Sep. 23, 2008
Filed:
Nov. 30, 2004
Tomoyuki Okawa, Kawasaki, JP;
Kumiko Endo, Kawasaki, JP;
Hiroyuki Kojima, Kawasaki, JP;
Masaki Ukai, Kawasaki, JP;
Tomoyuki Okawa, Kawasaki, JP;
Kumiko Endo, Kawasaki, JP;
Hiroyuki Kojima, Kawasaki, JP;
Masaki Ukai, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A cache memory includes a first-level cache-memory unit that stores data; a second-level cache-memory unit that stores data that is same as the data stored in the first-level cache-memory unit; a storage unit that stores a part of information relating to the first-level cache-memory unit; and a coherence maintaining unit that maintains cache-coherence between the first-level cache-memory unit and the second-level cache-memory unit based on information stored in the storage unit.