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. 10, 2025
Filed:
Aug. 29, 2019
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Yusuke Fuchiwaki, Takamatsu, JP;
Abstract
An assay device allows enhancement of the liquid control performance. The assay device of the present invention includes a microflow passagewhich allows flow of the liquid, an absorbing porous mediumdisposed at a distance from one end of the microflow passage, and a separating spacedisposed between the one end of the microflow passage and the absorbing porous medium. The assay device further includes two sideways ventilation passageswhich are adjacent to both sides of the microflow passage, respectively in the width direction orthogonal to the flow direction, the two sideways ventilation passagesbeing communicated with the microflow passage to allow air circulation.