Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device

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Jun 29, 2004
Grant Date
Mar 28, 2002
app pub date
Sep 24, 2001
filing date
Aug 12, 1997

priority date (Note)
Expired

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Abstract

Expressing a perveance of an electron gun to be determined by a form of the electron gun as P.mu., a voltage to be impressed on an accelerating electrode Va and a beam current Ib, voltage Va which satisfies the following expression, Ib

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Patent Owner(s)

NEC NETWORK AND SENSOR SYSTEMS, LTD.

International Classification(s)

H01J:ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Imura, Hironori	Tokyo, JP	25	439
Makishima, Hideo	Tokyo, JP	31	308
Tsuida, Shunji	Tokyo, JP	11	48

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Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09960767

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PATENT NO	6756734
APP PUB NO	20020036470A1
SERIAL NO	09960767
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 29, 2004	US,6756734,B2 US6756734B2	GRANTED PATENT AS SECOND PUBLICATION
March 28, 2002	US,20020036470,A1 US20020036470A1	FIRST PUBLISHED PATENT APPLICATION

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09960767

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