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:
Jun. 21, 2022
Filed:
Dec. 06, 2017
Applicant:
Kowa Company, Ltd., Nagoya, JP;
Inventor:
Haruo Ishikawa, Nagoya, JP;
Assignee:
Kowa Company, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); G02C 7/04 (2006.01); A61F 2/16 (2006.01); A61B 3/103 (2006.01);
U.S. Cl.
CPC ...
G02C 7/02 (2013.01); A61F 2/1645 (2015.04); G02C 7/024 (2013.01); G02C 7/04 (2013.01); A61B 3/1035 (2013.01); G02C 2202/22 (2013.01);
Abstract
To realize a toric ophthalmic lens including an edge that makes it possible to design a lens contributing to secondary cataract prevention without deteriorating a degree of freedom of lens design. The toric ophthalmic lens is a toric ophthalmic lens in which, in a top view of an optical portion, a substantially flat portion having a substantially fixed edge thickness of the optical portion is provided to overlap a steep meridian of a toric surface of the optical portion.