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:
Dec. 09, 2025
Filed:
Sep. 06, 2023
Applicant:
Olympus Corporation, Tokyo, JP;
Inventors:
Takehiro Miki, Tokyo, JP;
Mitsuru Namiki, Tokyo, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/00 (2006.01); G02B 7/02 (2021.01); G02B 13/00 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
A61B 1/00096 (2013.01); A61B 1/00174 (2013.01); A61B 1/00181 (2013.01); G02B 13/18 (2013.01); G02B 7/027 (2013.01); G02B 13/003 (2013.01);
Abstract
An objective optical system including a first lens and a second lens that are arranged in this order from an object side along a main optical axis, wherein the first lens has a partially spherical shape having a first flat surface, the second lens has a partially spherical shape having a second flat surface, the first flat surface is disposed on a side of the object and is inclined with respect to the main optical axis, and the second flat surface is disposed on an opposite side which is opposite from the side of the object and is perpendicular to the main optical axis.