Polishing apparatus for polishing a work having two surfaces

United States of America Patent

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Jul 17, 2012
Grant Date
Mar 19, 2009
app pub date
May 29, 2008
filing date
Aug 9, 2007

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Abstract

A polishing apparatus is configured to simultaneously polish both surfaces of a work, and includes a carrier having a hole configured to house the work, and a fixing member that contacts and fixes the work located in the hole.

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Patent Owner(s)

Patent Owner	Address
FUJITSU LIMITED	1-1 KAMIKODANAKA 4-CHOME NAKAHARA-KU KAWASAKI-SHI KANAGAWA 2118588 ?2118588

International Classification(s)

B24B:MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR PO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Takeuchi, Mitsuo	Kawasaki, JP	29	94
Tokukra, Fumihiko	Kawasaki, JP	1	2

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Polishing apparatus for polishing a work having two surfaces

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12155118

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PATENT NO	8221198
APP PUB NO	20090075574A1
SERIAL NO	12155118
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 17, 2012	US,8221198,B2 US8221198B2	GRANTED PATENT AS SECOND PUBLICATION
March 19, 2009	US,20090075574,A1 US20090075574A1	FIRST PUBLISHED PATENT APPLICATION

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12155118

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