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:
Sep. 12, 2023
Filed:
Mar. 26, 2021
Applicant:
Tokyo Visionary Optics Co., Ltd., Tokyo, JP;
Inventor:
Hitoshi Hirano, Tokyo, JP;
Assignee:
TOKYO VISIONARY OPTICS CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/64 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/64 (2013.01);
Abstract
An imaging lens includes a first lens having positive refractive power; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens, arranged in this order from an object side to an image plane side. The imaging lens has a total of nine lenses. The eighth lens has at least one aspheric surface. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape. The ninth lens is formed in the shape so that the surface thereof on the image plane side has a specific paraxial curvature radius.