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:
Jan. 06, 2020
Filed:
Jul. 23, 2018
Applicant:
Kantatsu Co., Ltd., Tochigi, JP;
Inventors:
Yoji Kubota, Nagano, JP;
Ichiro Kurihara, Tochigi, JP;
Assignee:
KANTATSU CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2005.12); G02B 13/04 (2005.12); G02B 13/00 (2005.12);
U.S. Cl.
CPC ...
G02B 13/0045 (2012.12);
Abstract
An imaging lens includes, in this order from an object side, an aperture stop ST, a positive first lens La negative second lens Lhaving a meniscus shape that directs a convex surface on the object side near an optical axis, a positive third lens La positive fourth lens Lhaving a meniscus shape that directs a concave surface on the object side near an optical axis, and a negative fifth lens Lhaving a meniscus shape that directs a convex surface on the object side near an optical axis.