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:
Dec. 13, 2022
Filed:
Mar. 26, 2019
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventors:
Makoto Adachi, Tokyo, JP;
Hitoshi Kamura, Tokyo, JP;
Takumi Nomura, Tokyo, JP;
Osamu Akabayashi, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/08 (2006.01); G02B 5/28 (2006.01); G02B 1/115 (2015.01);
U.S. Cl.
CPC ...
G02C 7/088 (2013.01); G02B 1/115 (2013.01); G02B 5/285 (2013.01);
Abstract
The spectacle lens includes a lens substrate; a multilayer film disposed on one surface of the lens substrate; and a multilayer film disposed on the other surface of the lens substrate, wherein an average reflectance within the wavelength range from 380 to 500 nm measured at least on one surface of the spectacle lens is 10.00% or more, and a reflectance measured at least on one surface of the spectacle lens is 5.00% or less in the entire range within the wavelength range from 400 to 780 nm.