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:
Jun. 21, 2011
Filed:
Jun. 05, 2008
Makoto Iwayama, Tokorozawa, JP;
Kazutomo Ushijima, Fuchu, JP;
Osamu Imaichi, Koganei, JP;
Tomohiro Yasuda, Kokubunji, JP;
Makoto Iwayama, Tokorozawa, JP;
Kazutomo Ushijima, Fuchu, JP;
Osamu Imaichi, Koganei, JP;
Tomohiro Yasuda, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A document search apparatus capable of an index-type search and a scan-type search performs a search in a combination of the two search types while compensating for the disadvantages of the two search types with each other. A search query for index-type search and a search query for scan-type search are constructed based on a search query consisting of a logical formula of keywords. Then, a character 2-gram for performing an index search is set to shorten the whole search time, and the index-type search is performed. Finally, a scan-type search is performed on this search result of the index-type search.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile