Oxides dispersion steel and making process thereof

United States of America Patent

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Oct 10, 2000
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N/A
app pub date
Sep 2, 1999
filing date
Sep 2, 1998

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Expired

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Abstract

In carbon steel, oxides with grain diameter of 1 .mu.m or less and with grain spacing of 6 .mu.m or less are dispersed to suppress growth of .gamma. grains by heating at .gamma. region temperature.

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Patent Owner(s)

Patent Owner	Address
MITSUBISHI HEAVY INDUSTRIES LTD	2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 1008332 ?1008332
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF NATIONAL RESEARCH INSTITUTE FOR METALS	IBARAKI

International Classification(s)

C22C:ALLOYS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nagai, Kotobu	Ibaraki, JP	28	90
Nakajima, Hiroshi	Ibaraki, JP	280	3141
Torizuka, Shiro	Ibaraki, JP	25	48
Tsuzaki, Kaneaki	Ibaraki, JP	16	156

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Oxides dispersion steel and making process thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09389063

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PATENT NO	6129791
SERIAL NO	09389063
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09389063

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