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:
Feb. 13, 2018
Filed:
Apr. 14, 2016
Applicant:
Kantatsu Co., Ltd., Yaita-shi, Tochigi, JP;
Inventor:
Sayuri Noda, Sukagawa, JP;
Assignee:
KANTATSU CO., LTD., Yaita, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 3/04 (2006.01); G02B 27/00 (2006.01); G02B 13/00 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 9/60 (2013.01); G02B 3/04 (2013.01); G02B 13/0045 (2013.01); G02B 13/18 (2013.01); G02B 27/0025 (2013.01);
Abstract
An image pickup lens includes a first lens with positive refractive power having a convex object side surface, an aperture stop, a second lens with negative refractive power having a convex image side surface, a third lens with positive refractive power having a concave image side surface, a fourth lens with positive refractive power having a convex image side surface, and a fifth lens with negative refractive power as a double-sided aspheric lens having a concave image side surface near the optical axis;