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. 24, 2023
Filed:
May. 27, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Akihiro Sakaguchi, Osaka, JP;
Tsuyoshi Ogomori, Osaka, JP;
Abstract
A document classification method includes extracting one or more first feature words from first sentence information included in a first document to be classified, extracting, from a database including a plurality of cases, a predetermined number of first cases similar to the first document in accordance with the one or more first feature words extracted from the first sentence information, the plurality of cases including the predetermined number of first cases and being classified in advance into the at least one category, the plurality of cases each including second sentence information indicating a main point of each of one or more items, the one or more items being classified in advance depending on meaning of the item, extracting one or more second feature words of each of the predetermined number of first cases from the second sentence information of each of the predetermined number of first cases, calculating a degree of coincidence between each of the predetermined number of first cases and the first document based on the one or more second feature words extracted from the second sentence information of the first case, and classifying the first document into a category among the at least one category, the category being a category into which a first case having a highest degree of coincidence among the predetermined number of the first cases is classified.