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. 09, 2017
Filed:
Feb. 02, 2016
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Tomoyuki Baba, Saitama, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/00 (2006.01); G02B 23/24 (2006.01); G02B 13/06 (2006.01);
U.S. Cl.
CPC ...
G02B 23/243 (2013.01); G02B 13/06 (2013.01);
Abstract
An objective lens for an endoscope consists of, in order from the object side, a negative front group, an aperture stop and a positive rear group. The front group consists of, in order from the object side, a negative first lens and a cemented lens of a negative second lens and a positive third lens cemented together. The rear group consists of, in order from the object side, a positive lens and a cemented lens of a positive lens and a negative lens cemented together. The objective lens for an endoscope satisfies predetermined conditional expressions.