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:
Aug. 02, 2022
Filed:
Oct. 16, 2015
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventors:
Eisaku Iwasaki, Tokyo, JP;
Yoichi Ogo, Tokyo, JP;
Keiji Nishimoto, Tokyo, JP;
Kenji Takashiba, Prachatipat, TH;
Naomi Ogawa, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02B 1/14 (2015.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02C 7/104 (2013.01); G02B 1/14 (2015.01); G02B 5/28 (2013.01); G02C 7/10 (2013.01); G02C 7/107 (2013.01); G02C 2202/16 (2013.01);
Abstract
A spectacle lens including a lens base material and a multilayer film provided on each surface of an eyeball-side surface and an object-side surface of the lens base material, in which a normal incidence mean reflectance Rin a wavelength range of 430 to 450 nm measured on the eyeball-side surface of the spectacle lens and a normal incidence mean reflectance Rin a wavelength range of 430 to 450 nm measured on the object-side surface of the spectacle lens each are more than 0%, and Ris greater than R.