Ultra-high pressure mercury lamp

United States of America Patent

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Jan 19, 2010
Grant Date
Dec 7, 2006
app pub date
Jun 2, 2006
filing date
Jun 3, 2005

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Abstract

designating the surface area of the part of the electrode projecting into the arc tube containing the electron emission material and A in % by weight indicating the concentration of the electron emission material in this part.

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Patent Owner(s)

USHIO DENKI KABUSHIKI KAISHA

International Classification(s)

H01J:ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Matsumoto, Keiichi	Himeji, JP	27	107
Okamoto, Tetsu	Himeji, JP	4	44
Terada, Shoichi	Himeji, JP	17	116

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Ultra-high pressure mercury lamp

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United States of America Patent

11421943

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PATENT NO	7649319
APP PUB NO	20060273722A1
SERIAL NO	11421943
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 19, 2010	US,7649319,B2 US7649319B2	GRANTED PATENT AS SECOND PUBLICATION
December 07, 2006	US,20060273722,A1 US20060273722A1	FIRST PUBLISHED PATENT APPLICATION

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11421943

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