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:
Jul. 28, 2026
Filed:
Jul. 08, 2022
Applicant:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Inventors:
Assignee:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/14 (2006.01); G02B 13/00 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 13/14 (2013.01); G02B 13/008 (2013.01); G02B 13/18 (2013.01);
Abstract
Provided is a telephoto lens which is excellent in resolution. An infrared imaging lens () includes a first lens (L), a second lens (L), and a third lens (L) each of which is made of chalcogenide glass having a refractive index of 2.5 to 4.0 measured at a wavelength of 10 μm, the infrared imaging lens () having a total system focal length not less than two times larger than a diameter of an image circle of the infrared imaging lens ().
Quick Actions:
Matsushita, Yoshimasa. (2026). Infrared imaging lens (U.S. Patent No. 12693504). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12693504
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile