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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.:

US 9791678 B1

PDFFull Text
Date of Patent:
Oct. 17, 2017

Filed:

Nov. 10, 2011

Zoom lens, imaging device and method for manufacturing the zoom lens

Applicants:

Haruo Sato, Kawaguchi, JP;

Issei Tanaka, Yokohama, JP;

Inventors:

Haruo Sato, Kawaguchi, JP;

Issei Tanaka, Yokohama, JP;

Assignee:

Nikon Corporation, Tokyo, JP;

Attorney:

Shapiro, Gabor and Rosenberger, PLLC

Primary Examiner:

Bumsuk Won

Assistant Examiner:

Balram Parbadia

Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 15/14 (2006.01); G02B 9/34 (2006.01); G02B 13/18 (2006.01); G02B 15/173 (2006.01); G02B 1/11 (2015.01);
U.S. Cl.
CPC ...
G02B 15/14 (2013.01); G02B 1/11 (2013.01); G02B 9/34 (2013.01); G02B 13/18 (2013.01); G02B 15/173 (2013.01); Y10T 29/49826 (2015.01);
Abstract

A zoom lens has, in order from an object: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a fourth lens group having positive refractive power. Zooming is performed by changing an air gap between the lens groups. The fourth lens group includes, in order from the object, a first positive lens component, a second positive lens component having a convex surface facing the object, and a negative lens component. A specified conditional expression is satisfied.

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Sato, Haruo. (2017). Zoom lens, imaging device and method for manufacturing the zoom lens (U.S. Patent No. 9791678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9791678

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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