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. 19, 2017
Filed:
Dec. 09, 2014
Kantatsu Co., Ltd., Yaita-shi, Tochigi, JP;
Tohru Ishizaka, Sukagawa, JP;
KANTATSU CO., LTD., Yaita, JP;
Abstract
An imaging lens for a solid-state image sensor includes five lenses, arranged in order from an object side to an image side, a first lens with positive refractive power having a convex surface on the object side, a second lens with negative refractive power, a third lens with positive or negative refractive power having a meniscus shape with a convex surface on the object side and a concave surface on the image side near an optical axis, a fourth lens as a double-sided aspheric lens, having a concave surface on the image side near the optical axis, and a fifth lens as a double-sided aspheric lens, having a concave surface on the image side near the optical axis; wherein the first to fifth lenses are made of plastic materials.