Illuminating apparatus, and projector using the illuminating apparatus

United States of America Patent

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Jan 11, 2005
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Sep 5, 2002
app pub date
Apr 24, 2002
filing date
Oct 4, 1999

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Abstract

An illuminating apparatus has a light source emitting illumination light; and a prism having a plurality of reflecting surfaces and reflecting the illumination light from said light source by the reflecting surfaces to thereby bend an illumination optical path at an obtuse angle.

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Patent Owner	Address
MINOLTA CO LTD	OSAKA CITY OSAKA OF JAPAN OSAKA-SHI OSAKA

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Inventor Name	Address	# of filed Patents	Total Citations
Sawamura, Shigeru	Osaka, JP	16	184
Yoshikawa, Tsutomu	Osaka, JP	43	492

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Illuminating apparatus, and projector using the illuminating apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10131160

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PATENT NO	6840631
APP PUB NO	20020122156A1
SERIAL NO	10131160
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 11, 2005	US,6840631,B2 US6840631B2	GRANTED PATENT AS SECOND PUBLICATION
September 05, 2002	US,20020122156,A1 US20020122156A1	FIRST PUBLISHED PATENT APPLICATION

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10131160

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