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:
Jun. 05, 2020
Applicant:
Tokyo Visionary Optics Co., Ltd., Tokyo, JP;
Inventor:
Hitoshi Hirano, Tokyo, JP;
Assignee:
TOKYO VISIONARY OPTICS CO., LTD., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/64 (2006.01); G02B 13/06 (2006.01); G02B 27/00 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 9/64 (2013.01); G02B 13/0045 (2013.01); G02B 13/06 (2013.01); G02B 27/0025 (2013.01); H04N 23/55 (2023.01);
Abstract
There is provided a compact imaging lens configured to properly correct aberrations. The imaging lens includes, in order from an object side to an image side, a first lens Lhaving negative refractive power, a second lens Lhaving negative refractive power, a third lens Lhaving positive refractive power, a fourth lens L, a fifth lens L, a sixth lens L, a seventh lens L, and an eighth lens Lhaving negative refractive power. The eighth lens Lhas an aspheric image-side surface having at least one inflection point.