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.

Date of Patent:
Jun. 28, 2022

Filed:

Sep. 11, 2018
Applicant:

Nidec Sankyo Corporation, Nagano, JP;

Inventors:

Toshio Shirotori, Nagano, JP;

Tomoaki Nakajima, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 17/08 (2021.01); G02B 7/02 (2021.01); G02B 9/62 (2006.01);
U.S. Cl.
CPC ...
G03B 17/08 (2013.01); G02B 7/021 (2013.01); G02B 7/026 (2013.01); G02B 9/62 (2013.01);
Abstract

A lens unit may include lenses and a holder in a tube shape which holds the lenses on an inner side such that in the lenses, a side face of a first lens located on a most object side may include a first side face part which is extended from an outer edge of a first face that is an object side face of the first lens toward an image side, a second side face part which is extended from an object side toward the image side on the image side with respect to the first side face part and an outer side in a radial direction with respect to the first side face part; and a third side face part which connects an image side end part of the first side face part with an object side end part of the second side face part.


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