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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 9606324 B1

PDFFull Text
Expired
Date of Patent:
Mar. 28, 2017

Filed:

Aug. 01, 2014

Image-forming lens, and camera device and portable information terminal device with the image-forming lens

Applicant:

Ricoh Company, Ltd., Tokyo, JP;

Inventors:

Takashi Kubota, Suginami-ku, JP;

Kazuyasu Ohashi, Funabashi, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Evelyn A Lester

Int. Cl.
CPC ...
G02B 13/04 (2006.01); G02B 9/08 (2006.01); G02B 13/00 (2006.01); G02B 9/64 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0015 (2013.01); G02B 9/64 (2013.01); G02B 13/009 (2013.01); G02B 13/0045 (2013.01); G02B 13/04 (2013.01);
Abstract

An image forming lens consists of from an object side to an image side in the following order: a first group with a positive refractive power; an aperture stop; and a second group with a positive refractive power, wherein the second group includes, from the object side to the image side in the following order, a biconvex lens, a biconcave lens, a negative meniscus lens a convex surface of which faces the image side, a biconvex lens, and a positive meniscus lens a convex surface of which faces the image side.

Find Patent Forward Citations

Kubota, Takashi. (2017). Image-forming lens, and camera device and portable information terminal device with the image-forming lens (U.S. Patent No. 9606324). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9606324

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

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