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:
Jan. 23, 2024
Filed:
Jun. 27, 2019
Hoya Lens Thailand Ltd., Pathumthani, TH;
Hua Qi, Tokyo, JP;
Takako Ishizaki, Tokyo, JP;
Shigetoshi Kono, Tokyo, JP;
HOYA LENS THAILAND LTD., Pathumthani, TH;
Abstract
Provided is an eyeglass lensconfigured to cause rays that have entered from an object-side surfaceto be emitted from an eyeball-side surface, and cause the emitted rays to converge at a predetermined position A. The eyeglass lensincludes a lens base materialhaving a plurality of base material convex portionson at least one of the object-side surfaceand the eyeball-side surface, and a coating film covering the surface provided with the base material convex portions. The shape of convex portions present on the outermost surface of the eyeglass lens located on a side on which the base material convex portionsare provided is an approximate shape of the base material convex portions configured to cause rays that have entered the eyeglass lensto converge at a position B that is closer to the object than the predetermined position A is.