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. 07, 2010
Filed:
Jul. 23, 2009
Applicant:
Kenzaburo Suzuki, Yokohama, JP;
Inventor:
Kenzaburo Suzuki, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spectacle lens includes a multi-contact diffractive optical element formed on at least one surface of a overall lens system that is arranged from an object to a pupil, in which an apparent Abbe number Vwhen the overall lens system including the multi-contact diffractive optical element is regarded as a single lens satisfies V>60 . . . (1).