Objective lens for endoscope and endoscope

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9645383
APP PUB NO 20160238831A1
SERIAL NO

15013481

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • FUJIFILM CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baba, Tomoyuki Saitama, JP 41 556

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