Cemented lens and optical system having the same

United States of America Patent

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Jan 19, 2010
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Jul 23, 2009
app pub date
Dec 16, 2008
filing date
Jan 18, 2008

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Abstract

are respectively refracting powers of the first and second optical elements when both the incident surface and the exit surface of the first and the second optical element are surfaces in contact with air.

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Patent Owner(s)

CANON KABUSHIKI KAISHA

International Classification(s)

G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ishibashi, Tomohiko	Utsunomiya, JP	18	60

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Cemented lens and optical system having the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12335754

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PATENT NO	7649699
APP PUB NO	20090185282A1
SERIAL NO	12335754
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 19, 2010	US,7649699,B2 US7649699B2	GRANTED PATENT AS SECOND PUBLICATION
July 23, 2009	US,20090185282,A1 US20090185282A1	FIRST PUBLISHED PATENT APPLICATION

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12335754

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