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. 16, 2025
Filed:
Apr. 21, 2021
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Eric Gacoin, Charenton-le-Pont, FR;
Khamphone Sisavanh, Charenton-le-Pont, FR;
Jean Stephane, Charenton-le-Pont, FR;
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); B24B 13/06 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
G02C 7/028 (2013.01); B24B 13/06 (2013.01); B29D 11/00971 (2013.01); B29D 11/0098 (2013.01); G02C 7/022 (2013.01); G02C 2202/24 (2013.01);
Abstract
Disclosed is a method implemented by a computer for determining surfacing data to obtain a surface of a lens element, the surface of the lens element including: a refraction area having a first curvature; and multiple optical elements placed on at least part of the finished optical surface, each optical element having at least a second curvature.