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Nishigo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polishing head and polishing apparatus
Patent number
9,266,216
Issue date
Feb 23, 2016
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
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
Workpiece holder for polishing, workpiece polishing apparatus and p...
Patent number
8,268,114
Issue date
Sep 18, 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 head, polishing apparatus and polishing method for semico...
Patent number
7,740,521
Issue date
Jun 22, 2010
Shin-Etsu Handotai Co., Ltd.
Hiromasa Hashimoto
B24 - GRINDING POLISHING
Information
Patent Grant
Method and pad for polishing wafer
Patent number
7,695,347
Issue date
Apr 13, 2010
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer manufacturing method, polishing apparatus, and wafer
Patent number
7,582,221
Issue date
Sep 1, 2009
Shin-Etsu Handotai Co., Ltd.
Shigeyoshi Netsu
B24 - GRINDING POLISHING
Information
Patent Grant
Workpiece holder for polishing, polishing apparatus and polishing m...
Patent number
6,769,966
Issue date
Aug 3, 2004
Shin-Etsu Handotai Co., Ltd.
Kouichi Okamura
B24 - GRINDING POLISHING
Information
Patent Grant
Process for manufacturing semiconductor wafer and semiconductor wafer
Patent number
6,729,941
Issue date
May 4, 2004
Shin-Etsu Handotai & Co., Ltd.
Junichi Ueno
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer polishing method, wafer cleaning method and wafer protective...
Patent number
6,558,233
Issue date
May 6, 2003
Shin-Etsu Handotai Co., Ltd.
Takashi Matsuoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Workpiece holder for polishing, apparatus for polishing workpiece a...
Patent number
6,422,922
Issue date
Jul 23, 2002
Shin-Etsu Handotai Co., Ltd.
Kouichi Okamura
B24 - GRINDING POLISHING
Information
Patent Grant
Method and apparatus for polishing work
Patent number
6,399,498
Issue date
Jun 4, 2002
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Workpiece holder for polishing, method for producing the same, meth...
Patent number
6,386,957
Issue date
May 14, 2002
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Polishing method and polishing device
Patent number
6,332,830
Issue date
Dec 25, 2001
Shin-Etsu Handotai Co., Ltd.
Kouichi Okamura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing pad, polishing method, and polishing machine for mirror-p...
Patent number
6,306,021
Issue date
Oct 23, 2001
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Automatic workpiece transport apparatus for double-side polishing m...
Patent number
6,135,854
Issue date
Oct 24, 2000
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing method for semiconductor wafer and polishing pad used the...
Patent number
6,120,353
Issue date
Sep 19, 2000
Shin-Etsu Handotai Co., Ltd.
Kiyoshi Suzuki
B24 - GRINDING POLISHING
Information
Patent Grant
Carrier for double-side polishing
Patent number
6,042,688
Issue date
Mar 28, 2000
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Method of polishing semiconductor wafers
Patent number
5,951,374
Issue date
Sep 14, 1999
Shin-Etsu Handotai Co., Ltd.
Tadahiro Kato
B24 - GRINDING POLISHING
Information
Patent Grant
Method of manufacturing semiconductor wafers
Patent number
5,942,445
Issue date
Aug 24, 1999
Shin-Etsu Handotai Co., Ltd.
Tadahiro Kato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus and method for double-sided polishing semiconductor wafers
Patent number
5,914,053
Issue date
Jun 22, 1999
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing agent used for polishing semiconductor wafers and polishi...
Patent number
5,891,353
Issue date
Apr 6, 1999
Shin-Etsu Handotai Co, Ltd.
Hisashi Masumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polishing agent used for polishing semiconductor wafers and polishi...
Patent number
5,866,226
Issue date
Feb 2, 1999
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor mirror wafers
Patent number
5,827,779
Issue date
Oct 27, 1998
Shin-Etsu Handotai Co. Ltd.
Hisashi Masumura
C30 - CRYSTAL GROWTH
Information
Patent Grant
Polishing pad used for polishing silicon wafers and polishing metho...
Patent number
5,827,395
Issue date
Oct 27, 1998
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Method of manufacturing semiconductor mirror wafers
Patent number
5,821,167
Issue date
Oct 13, 1998
Shin-Etsu Handotai Co., Ltd.
Teruaki Fukami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor wafers
Patent number
5,800,725
Issue date
Sep 1, 1998
Shin-Etsu Handotai Co., Ltd.
Tadahiro Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of and apparatus for determining residual damage to wafer edges
Patent number
5,790,252
Issue date
Aug 4, 1998
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
EPITAXIAL WAFER CLEANING METHOD
Publication number
20230411143
Publication date
Dec 21, 2023
Shin-Etsu Handotai Co., Ltd.
Norimichi TANAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS
Publication number
20150017890
Publication date
Jan 15, 2015
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLISHING HEAD AND POLISHING APPARATUS
Publication number
20140113531
Publication date
Apr 24, 2014
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING HEAD, POLISHING APPARATUS, AND METHOD FOR POLISHING WORKP...
Publication number
20140101925
Publication date
Apr 17, 2014
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
VAPOR-PHASE GROWTH SEMICONDUCTOR SUBSTRATE SUPPORT SUSCEPTOR, EPITA...
Publication number
20120309175
Publication date
Dec 6, 2012
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
C30 - CRYSTAL GROWTH
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
Information
Patent Application
WAFER MANUFACTURING METHOD, POLISHING APPARATUS, AND WAFER
Publication number
20090057840
Publication date
Mar 5, 2009
Shin-Etsu Handotai Co., Ltd.
Shigeyoshi Netsu
B24 - GRINDING POLISHING
Information
Patent Application
Polishing Head, Polishing Apparatus and Polishing Method for Semico...
Publication number
20080254720
Publication date
Oct 16, 2008
Shin-Etsu Handotai Co., Ltd.
Hiromasa Hashimoto
B24 - GRINDING POLISHING
Information
Patent Application
Method and pad for polishing wafer
Publication number
20050014455
Publication date
Jan 20, 2005
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
Grinding work holding disk, work grinding device and grinding method
Publication number
20040238121
Publication date
Dec 2, 2004
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Application
Process for manufacturing semiconductor wafer and semiconductor wafer
Publication number
20040224519
Publication date
Nov 11, 2004
SHIN-ETSU HANDOTAI CO., LTD.
Junichi Ueno
B24 - GRINDING POLISHING
Information
Patent Application
Wafer manufacturing method, polishing apparatus , and wafer
Publication number
20030022495
Publication date
Jan 30, 2003
Shigeyoshi Netsu
B24 - GRINDING POLISHING
Information
Patent Application
Workpiece holder for polishing, polishing apparatus and polishing m...
Publication number
20020160697
Publication date
Oct 31, 2002
Kouichi Okamura
B24 - GRINDING POLISHING
Information
Patent Application
Method for producing semiconductor wafer and semiconductor wafer
Publication number
20020137313
Publication date
Sep 26, 2002
Junichi Ueno
B24 - GRINDING POLISHING
Information
Patent Application
Polishing pad, polishing method, and polishing machine for mirror-p...
Publication number
20020031990
Publication date
Mar 14, 2002
Shin-Estu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING