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. 30, 2026
Filed:
Sep. 01, 2021
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502761 (2013.01); B01L 2200/0642 (2013.01); B01L 2200/0647 (2013.01); B01L 2200/0689 (2013.01); B01L 2200/12 (2013.01); B01L 2300/0864 (2013.01); B01L 2300/0893 (2013.01); B01L 2300/161 (2013.01);
Abstract
A microfluidic device including a microwell array having microwells, and a cover member facing the microwell array with a gap between the cover member and the microwell array, and having a flow path formed in the gap. The cover member has a surface facing the microwell array, and the surface has an arithmetic average roughness Ra of 70 nm or less.