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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 12769101 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Nov. 02, 2022

Zoom lens and image capturing apparatus including the same

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hiroki Ebe, Tochigi, JP;

Shunji Iwamoto, Tochigi, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Canon U.S.A., Inc. IP Division

Primary Examiner:

Pinping Sun

Assistant Examiner:

Andrew R Wright

Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/00 (2006.01); G02B 15/22 (2006.01);
U.S. Cl.
CPC ...
G02B 15/145527 (2019.08); G02B 13/0045 (2013.01); G02B 13/009 (2013.01); G02B 15/144511 (2019.08); G02B 15/145511 (2019.08); G02B 15/145519 (2019.08); G02B 15/1465 (2019.08); G02B 15/22 (2013.01);
Abstract

A zoom lens includes a first lens unit having negative refractive power, a second lens unit having positive refractive power, and a rear lens group including one or more lens units. The zoom lens includes an aperture stop. The rear lens group includes a focus lens unit having negative refractive power that is moved to an image side in focusing from an infinite to a close distance and at least one lens unit arranged on the image side of the focus lens unit. The first lens unit includes three or more negative lenses. The focus lens unit includes a cemented lens or a single lens. The zoom lens satisfies a predetermined inequality.

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Quick Actions:

Ebe, Hiroki. (2026). Zoom lens and image capturing apparatus including the same (U.S. Patent No. 12769101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769101

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