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. 28, 2026
Filed:
Nov. 29, 2019
Applicant:
Bando Chemical Industries, Ltd., Hyogo, JP;
Inventors:
Yutaka Kamada, Hyogo, JP;
Masahiro Yamaguchi, Hyogo, JP;
Assignee:
BANDO CHEMICAL INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/16 (2006.01); B32B 27/40 (2006.01); G02B 1/14 (2015.01);
U.S. Cl.
CPC ...
G06F 1/1652 (2013.01); B32B 27/40 (2013.01); G02B 1/14 (2015.01);
Abstract
The present invention addresses the problem of providing a surface protection film for a flexible display in which creases are unlikely to remain. As a solution, provided is the surface protection film for a flexible display that has a protection layer made of polyurethane as an outermost surface thereof, the polyurethane having a stress relaxation rate of 30% or less after 300 seconds at an elongation of 50%.
Kamada, Yutaka. (2026). Surface protection film for flexible display and method of producing thereof (U.S. Patent No. 12613552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12613552
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile