Data storage apparatus and data storage method

US9225871B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9225871-B2
Application numberUS-201514607071-A
CountryUS
Kind codeB2
Filing dateJan 27, 2015
Priority dateJan 31, 2014
Publication dateDec 29, 2015
Grant dateDec 29, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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The use history recording unit records a history of use of a memory area of a user as a state of use whenever the user stores data. The use frequency calculation unit calculates a use frequency of the memory area for every user based on the state of use of the memory area of the user. The remained capacity allocation unit allocates the remained memory capacity in proportion to the use frequency.

First claim

Opening claim text (preview).

What is claimed is: 1. A data storage apparatus including a memory device shared by plural users comprising: a use history recording unit configured to record a use history of a memory space in a history table when a user accesses to the memory space allocated to the user, regarding items combining a stored data volume in the memory space allocated to the user with at least one item of the number of writing times that the user writes data in the memory space, the number of readin…

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What does patent US9225871B2 cover?
The use history recording unit records a history of use of a memory area of a user as a state of use whenever the user stores data. The use frequency calculation unit calculates a use frequency of the memory area for every user based on the state of use of the memory area of the user. The remained capacity allocation unit allocates the remained memory capacity in proportion to the use frequency.
Who is the assignee on this patent?
Kyocera Document Solutions Inc
What technology area does this patent fall under?
Primary CPC classification H04N1/21. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Dec 29 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).