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:
Aug. 25, 2026
Filed:
Feb. 13, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Yusuke Kurosu, Tochigi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A zoom lens includes, as a plurality of lens units arranged in order from an object side to an image side, a first lens unit having positive refractive power and fixed for zooming, at least two movable lens units having negative refractive powers and configured to move for zooming, and a final lens unit having positive refractive power, fixed for zooming, and disposed closest to an image plane. A distance between adjacent lens units changes during zooming. At least a part of the first lens unit moves for focusing. The first lens unit includes one negative lens and at least five positive lenses, which are successively arranged in this order from the object side to the image side. Predetermined inequalities are satisfied.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile