Production method for sintered gear

United States of America Patent

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Mar 15, 2011
Grant Date
Dec 13, 2007
app pub date
Mar 26, 2007
filing date
Mar 29, 2006

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Abstract

or less; and an intermediate area formed between the high density area and the low density area, the intermediate area having a density gradient in which the density is gradually decreased from the high density area to the low density area.

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Patent Owner(s)

HITACHI POWDERED METALS CO., LTD.

International Classification(s)

F16H:GEARING

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Arakawa, Tomoaki	Matsudo, JP	5	26
Ichikawa, Junichi	Matsudo, JP	76	551
Kohida, Tomoyuki	Matsudo, JP	4	14
Nakata, Kensuke	Matsudo, JP	17	106

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Production method for sintered gear

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United States of America Patent

11727330

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PATENT NO	7905018
APP PUB NO	20070283778A1
SERIAL NO	11727330
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 15, 2011	US,7905018,B2 US7905018B2	GRANTED PATENT AS SECOND PUBLICATION
December 13, 2007	US,20070283778,A1 US20070283778A1	FIRST PUBLISHED PATENT APPLICATION

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11727330

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