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:
Feb. 17, 2015
Filed:
Feb. 11, 2011
Applicant:
Reiko Kubota, Yokohama, JP;
Inventor:
Reiko Kubota, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/20 (2006.01); G02B 1/10 (2006.01); C09K 3/00 (2006.01); G02B 5/00 (2006.01); C09D 7/12 (2006.01); C04B 35/46 (2006.01); C04B 35/48 (2006.01); C09D 5/00 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/003 (2013.01); C09D 7/1216 (2013.01); C04B 35/46 (2013.01); C04B 35/48 (2013.01); C09D 5/006 (2013.01); C09D 7/1266 (2013.01); G02B 1/04 (2013.01);
Abstract
A light-shielding film for optical element includes at least a resin and a colorant. The light-shielding film for optical element has an average extinction coefficient of 0.03 or more and 0.15 or less as an average of extinction coefficients of the whole light-shielding film for light having wavelengths ranging from 400 to 700 nm.
Kubota, Reiko. (2015). Light-shielding film for optical element and optical element having light-shielding film (U.S. Patent No. 8958155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8958155
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile