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. 02, 2013

Filed:

Mar. 22, 2010
Applicant:

Kentaro Ushiyama, Nagoya, JP;

Inventor:

Kentaro Ushiyama, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information creating apparatus creates a leaf page information including one or more records with a key information to be compared with a retrieval key information inputted for retrieval of a record. The apparatus creates, based on the key information of the record included in the leaf page information, a judgment information used to judge a possibility that the leaf page information located in a position of child of the node page information located between the root and leaf page informations, and in lower positions than it, includes the record to be retrieved with the retrieval key information, and creates the node page information including the judgment information. The apparatus creates the root page information including the judgment information included in the node page information located in the positions of the child of the root page information, and stores the root, node and leaf page informations in a tree structure.


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