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Shunichiro Kojima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Substrate holding apparatus
Patent number
7,850,509
Issue date
Dec 14, 2010
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Substrate holding apparatus
Patent number
7,491,117
Issue date
Feb 17, 2009
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Substrate polishing machine
Patent number
7,156,725
Issue date
Jan 2, 2007
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Substrate holding apparatus
Patent number
7,083,507
Issue date
Aug 1, 2006
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Dressing apparatus and polishing apparatus
Patent number
6,899,604
Issue date
May 31, 2005
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus and dressing method for polishing tool
Patent number
6,899,592
Issue date
May 31, 2005
Ebara Corporation
Shunichiro Kojima
B24 - GRINDING POLISHING
Information
Patent Grant
Substrate holding apparatus
Patent number
6,852,019
Issue date
Feb 8, 2005
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Method for polishing angular substrates
Patent number
6,790,129
Issue date
Sep 14, 2004
Shin-Etsu Chemical Co., Ltd.
Jiro Moriya
B24 - GRINDING POLISHING
Information
Patent Grant
Workpiece polishing apparatus comprising a fluid pressure bag provi...
Patent number
6,435,949
Issue date
Aug 20, 2002
Ebara Corporation
Seiji Katsuoka
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus
Patent number
6,409,582
Issue date
Jun 25, 2002
Ebara Corporation
Tetsuji Togawa
B08 - CLEANING
Information
Patent Grant
Polishing device
Patent number
6,293,858
Issue date
Sep 25, 2001
Ebara Corporation
Norio Kimura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus
Patent number
6,241,592
Issue date
Jun 5, 2001
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus
Patent number
6,050,884
Issue date
Apr 18, 2000
Ebara Corporation
Tetsuji Togawa
B08 - CLEANING
Information
Patent Grant
Polishing apparatus
Patent number
5,934,984
Issue date
Aug 10, 1999
Ebara Corporation
Tetsuji Togawa
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
Substrate holding apparatus
Publication number
20090061748
Publication date
Mar 5, 2009
Tetsuji TOGAWA
B24 - GRINDING POLISHING
Information
Patent Application
Substrate holding apparatus
Publication number
20060234609
Publication date
Oct 19, 2006
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Application
Substrate holding apparatus
Publication number
20050118935
Publication date
Jun 2, 2005
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Application
Substrate polishing machine
Publication number
20040209560
Publication date
Oct 21, 2004
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Application
Dressing apparatus and polishing apparatus
Publication number
20030148707
Publication date
Aug 7, 2003
Tetsuji Togawa
B24 - GRINDING POLISHING
Information
Patent Application
Method for polishing angular substrates
Publication number
20030036340
Publication date
Feb 20, 2003
Jiro Moriya
B24 - GRINDING POLISHING
Information
Patent Application
Substrate holding apparatus
Publication number
20020042246
Publication date
Apr 11, 2002
Tetsuji Togawa
B24 - GRINDING POLISHING