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:
May. 27, 2025
Filed:
Aug. 03, 2021
Applicant:
Tokyo Visionary Optics Co., Ltd., Tokyo, JP;
Inventor:
Hisao Fukaya, Sukagawa, JP;
Assignee:
TOKYO VISIONARY OPTICS Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 9/62 (2006.01); G02B 13/00 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 9/62 (2013.01); G02B 13/0045 (2013.01); H04N 23/55 (2023.01);
Abstract
There is provided an imaging lens with small telephoto ratio and excellent optical characteristics which satisfies demand of the downsizing, the low-profileness and the low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power, a second lens, a third lens, a fourth lens being a double-sided aspheric lens, a fifth lens being a double-sided aspheric lens, and a sixth lens having a convex surface facing the image side, and a below conditional expression is satisfied:0.60<TTL/<1.00