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:
Aug. 26, 2025
Filed:
Dec. 09, 2020
Nitto Denko Corporation, Ibaraki, JP;
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
A ventilation componentincludes a ventilation pathfor allowing ventilation between an inner spaceand an outer spaceof a housing. The ventilation pathis a path for allowing ventilation between the internal spaceand the outer spacewhen the ventilation componentis attached to an edge. The ventilation componentincludes a supporting portion, a gas-permeable membrane, a protruding portion, and a sealing member. The supporting portionsurrounds the ventilation path. The gas-permeable membraneis bonded to the supporting portionand closes the ventilation pathin a ventilatable manner. The protruding portionis a part having a tubular shape, the part being arranged to protrude from the supporting portionand surround one end of the ventilation path, the part being configured to be in contact with the edgewhen the ventilation componentis attached to the edge. The ventilation componentsatisfies a requirement 0.7≤D/W≤1.3.