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. 07, 2026
Filed:
Nov. 21, 2023
Sekonix Co., Ltd., Gyeonggi-do, KR;
Ki Youn Noh, Gyeonggi-do, KR;
Seong Jun Bae, Gyeonggi-do, KR;
Chae Yeong Kim, Gyeonggi-do, KR;
Ji Young Choi, Gyeonggi-do, KR;
In Jeong Hwang, Gyeonggi-do, KR;
SEKONIX CO., LTD., Gyeonggi-do, KR;
Abstract
Proposed is a small lens system including a first lens, a second lens, a third lens, and a fourth lens arranged along an optical axis from an object. The iris diaphragm is located between the first lens and the second lens. The first lens has a negative refractive power and includes a surface concave surface on an object side and a convex surface on an image side. The second lens has a positive refractive power and includes convex surfaces on both sides. The third lens has a positive refractive power and includes convex surfaces on both sides. The fourth lens has a negative refractive power and includes concave surfaces on both sides. All surfaces of the first to fourth lenses are aspherical.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile