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:
Jun. 16, 2026
Filed:
Oct. 07, 2021
Nikon Corporation, Tokyo, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
An infinity-corrected microscope objective lens has, arranged in order from the object side along an optical axis, a first lens group having a positive refractive power, and a second lens group having a positive refractive power, an intermediate image forming plane in which light from an object forms an image being positioned between the first lens group and the second lens group, and the microscope objective lens satisfying the condition below. −0.2<f×NA/TL<−0.05, where f is the focal length of the microscope objective lens, NA is the object-side numerical aperture of the microscope objective lens, and TL is the distance on the optical axis from the lens surface of the microscope objective lens on the side thereof closest to the object to the lens surface of the microscope objective lens on the side thereof closest to the image.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile