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:
Oct. 30, 2012
Filed:
Oct. 02, 2007
Applicants:
Masaki Kan, Tokyo, JP;
Yoshihiro Kajiki, Tokyo, JP;
Satoshi Yamakawa, Tokyo, JP;
Takashi Torii, Tokyo, JP;
Yuji Kaneko, Tokyo, JP;
Inventors:
Masaki Kan, Tokyo, JP;
Yoshihiro Kajiki, Tokyo, JP;
Satoshi Yamakawa, Tokyo, JP;
Takashi Torii, Tokyo, JP;
Yuji Kaneko, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a system in which an index registration unit registers an index, which will be used for search processing, as a partitioned index which is partitioned on a time series basis, and a search means reads indexes older than a specified point in time, which is used as a search base point, to perform search processing, thereby searching for information based on a point in time in the past.