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:
Dec. 01, 2015
Filed:
Aug. 05, 2013
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Arata Miyamoto, Tokyo, JP;
Hiroshi Yao, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G11C 16/349 (2013.01); G06F 2212/7211 (2013.01);
Abstract
According to an embodiment, a retention time of each block group is managed and a degree of wear of each block is managed. A free block allocated to each block group is determined based on the retention time of each block group and the degree of wear of each block.