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:
Apr. 26, 2011
Filed:
Oct. 05, 2006
Tomotoshi Ishida, Hitachinaka, JP;
Mutsuo Kantou, Yokohama, JP;
Miyako Hotta, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A data retrieving apparatus having: an input apparatus for inputting the hierarchical structure data showing the hierarchical structure and operation instruction data; a data storing apparatus for storing the inputted hierarchical structure data; a retrieving apparatus for retrieving data which satisfies conditions from the hierarchical structure data stored in the data storing apparatus on the basis of the operation instruction data which is inputted by the input apparatus; and an output apparatus for outputting the retrieved data. Each data which is stored in the data storing apparatus has items regarding an efficient date and items regarding a data change date. The retrieving apparatus has an apparatus for retrieving the data on the basis of the efficient date and the data change date.