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:
Oct. 28, 2025
Filed:
Dec. 27, 2021
Applicant:
Tokyo Visionary Optics Co., Ltd., Tokyo, JP;
Inventor:
Kenichi Kubota, Tokyo, JP;
Assignee:
TOKYO VISIONARY OPTICS Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/64 (2006.01);
U.S. Cl.
CPC ...
G02B 9/64 (2013.01); G02B 13/0045 (2013.01);
Abstract
An imaging lens includes: arranged in order from an object side to an image side IM, a first lens Lhaving positive refractive power; a second lens Lhaving negative refractive power; a third lens Lhaving positive refractive power; a fourth lens Lhaving negative refractive power; a fifth lens L; a sixth lens Lhaving negative refractive power; a seventh lens Lhaving negative refractive power; and an eighth lens Lhaving negative refractive power. The second lens Lhas a convex object-side surface in a paraxial region, and the sixth lens Lhas a concave object-side surface in a paraxial region.