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:
Jan. 02, 2024
Filed:
Oct. 28, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kazufumi Goto, Tochigi, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 15/20 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 15/20 (2013.01); G02B 27/0025 (2013.01);
Abstract
A zoom lens includes, in order from an object side to an image side, a first lens unit configured not to move for zooming, a plurality of zooming lens units configured to move in zooming, a front relay lens unit configured not to move for zooming, an extender lens unit insertable into and removable from an optical path for changing a focal length range of the zoom lens, and a rear relay lens unit configured not to move for zooming, and satisfies specific conditional expressions.
Goto, Kazufumi. (2024). Zoom lens and image pickup apparatus (U.S. Patent No. 11860347). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11860347
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile