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. 14, 2026
Filed:
Jul. 19, 2021
Showa Denko K.k., Tokyo, JP;
Takuya Minami, Tokyo, JP;
Yoshishige Okuno, Tokyo, JP;
RESONAC CORPORATION, Tokyo, JP;
Abstract
A document search device includes an input reception unit configured to receive an input of a keyword of a document search, a document search unit configured to acquire, from a document, a hit character string matching a character string in which a portion of characters of the keyword is replaced with a wildcard, and character strings before and after the hit character string, and compute a likelihood of the hit character string, based on the hit character string, and the character strings before and after the hit character string, and a search result display unit configured to output a result of the document search based on the likelihood.