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:
Oct. 26, 2010
Filed:
May. 31, 2006
Applicant:
Akira Shimojo, Honjo, JP;
Inventor:
Akira Shimojo, Honjo, JP;
Assignee:
Hoya Healthcare Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide an ocular lens capable of securing a stable image in a distance portion and a near portion, and suppressing a generation of blurring or ghosting of the image. A progressive multifocal far and near contact lens is provided, having a distance portion for aiding a far vision, a near portion for aiding a near vision, and an intermediate portion in which power is progressively changed between the distance portion and the near portion, and a power distribution of a lens optical region along a direction of a vertical axis N of the lens optical region is set according to a predetermined function.