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Nishishirakawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polishing head and polishing apparatus
Patent number
9,278,425
Issue date
Mar 8, 2016
Shin-Etsu Handotai Co., Ltd.
Hiromasa Hashimoto
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing head and polishing apparatus
Patent number
8,636,561
Issue date
Jan 28, 2014
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing head, polishing apparatus and method for demounting workp...
Patent number
8,323,075
Issue date
Dec 4, 2012
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing head and polishing apparatus
Patent number
8,092,281
Issue date
Jan 10, 2012
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing head and polishing apparatus having the same
Patent number
8,021,210
Issue date
Sep 20, 2011
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Process of polishing wafers
Patent number
5,733,177
Issue date
Mar 31, 1998
Shin-Etsu Handotai Co., Ltd.
Toshihiro Tsuchiya
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing method and apparatus for automatic reduction of wafer tap...
Patent number
5,620,357
Issue date
Apr 15, 1997
Shin-Etsu Handotai Co., Ltd.
Hitoshi Misaka
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS
Publication number
20120289129
Publication date
Nov 15, 2012
FUJIKOSHI MACHINERY CORP.
Hiromasa Hashimoto
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS
Publication number
20110136414
Publication date
Jun 9, 2011
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
METHOD FOR MANUFACTURING POLISHING HEAD AND POLISHING APPARATUS
Publication number
20110070813
Publication date
Mar 24, 2011
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS HAVING THE SAME
Publication number
20100291838
Publication date
Nov 18, 2010
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING HEAD, POLISHING APPARATUS AND METHOD FOR DEMOUNTING WORKP...
Publication number
20100233945
Publication date
Sep 16, 2010
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS
Publication number
20100210192
Publication date
Aug 19, 2010
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
Polishing head and polishing apparatus
Publication number
20090291623
Publication date
Nov 26, 2009
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING