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:
Sep. 02, 2025
Filed:
Nov. 21, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Eiko Asami, Kanagawa, JP;
Yoji Teramoto, Kanagawa, JP;
Shuhei Yamamoto, Tokyo, JP;
Shun Ouchi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/12 (2006.01); B29D 11/00 (2006.01); G02B 1/18 (2015.01);
U.S. Cl.
CPC ...
B29D 11/00884 (2013.01); G02B 1/12 (2013.01); G02B 1/18 (2015.01);
Abstract
Provided is a light transmitting member, which maintains an antifogging property over a long period of time, and is less liable to be contaminated with organic matter, the light transmitting member including, on a base material, a porous layer containing silicon oxide particles and a layer formed of a hydrophilic polymer, wherein a polymer ratio at a depth of 10 nm from a surface of the light transmitting member is 0.15 or more and 0.40 or less.