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. 23, 2025
Filed:
Sep. 27, 2019
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventor:
Susumu Nagatsuka, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Patumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); G02C 7/10 (2006.01); G02B 1/18 (2015.01);
U.S. Cl.
CPC ...
G02C 7/024 (2013.01); G02C 7/102 (2013.01); G02C 7/104 (2013.01); G02B 1/18 (2015.01);
Abstract
Provided is a spectacle lens including multilayer films on an object-side surface and an eyeball-side surface of a lens substrate, in which a reduction ratio of light in a wavelength band of 800 to 1400 nm in the spectacle lens is 45.0% or more, a ratio of a mean reflectance on the eyeball-side surface of the spectacle lens to a mean reflectance on the object-side surface of the spectacle lens is 0.2 to 0.8 in the wavelength band, and a mean reflectance on the eyeball-side surface in a wavelength band of 315 to 400 nm is 5.0% or less.