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:
Jan. 06, 2026
Filed:
Aug. 22, 2018
Applicant:
Oji Holdings Corporation, Chuo-ku, JP;
Inventors:
Assignee:
Oji Holdings Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12M 1/22 (2006.01); C12M 1/12 (2006.01);
U.S. Cl.
CPC ...
C12M 25/06 (2013.01); C12M 23/10 (2013.01);
Abstract
A cell sheet-forming member provided with a surface for forming a cell sheet, wherein the surface comprises a plurality of flat parts and a plurality of concavo-convex parts. Each flat part has a shape extending along a first direction and the plurality of the flat parts are aligned along a second direction intersecting with the first direction over the entire surface. Either of convex parts or concave parts have a stepped structure and individual concave and convex parts include a plurality of the stepped structures which fill gaps between flat parts adjacent to each other, wherein the pitch of said stepped structures is from 100 nm to 10 μm inclusive.