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Satoru Arakawa
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Nagano, 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
Polishing system for polishing wafer
Patent number
5,908,347
Issue date
Jun 1, 1999
Fujikoshi Kikai Kogyo Kabushiki Kaisha
Makoto Nakajima
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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