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Yuichi Kakizono
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fixed abrasive-grain processing device, method of fixed abrasive-gr...
Patent number
9,550,264
Issue date
Jan 24, 2017
Sumco Corporation
Tomohiro Hashii
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing solution distribution apparatus and polishing apparatus h...
Patent number
9,017,145
Issue date
Apr 28, 2015
Sumco Corporation
Yoshiaki Kurosawa
B24 - GRINDING POLISHING
Information
Patent Grant
Method of grinding semiconductor wafers, grinding surface plate, an...
Patent number
8,092,277
Issue date
Jan 10, 2012
Sumco Corporation
Tomohiro Hashii
B24 - GRINDING POLISHING
Information
Patent Grant
Etching liquid for controlling silicon wafer surface shape and meth...
Patent number
7,288,207
Issue date
Oct 30, 2007
Sumco Corporation
Sakae Koyata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING METHOD FOR SEMICONDUCTOR WAFER
Publication number
20120315739
Publication date
Dec 13, 2012
SUMCO CORPORATION
Tomohiro Hashii
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
FIXED ABRASIVE-GRAIN PROCESSING DEVICE, METHOD OF FIXED ABRASIVE-GR...
Publication number
20120071064
Publication date
Mar 22, 2012
SUMCO CORPORATION
Tomohiro Hashii
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING SOLUTION DISTRIBUTION APPARATUS AND POLISHING APPARATUS H...
Publication number
20110263183
Publication date
Oct 27, 2011
SUMCO CORPORATION
Yoshiaki KUROSAWA
B24 - GRINDING POLISHING
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR WAFER
Publication number
20090311808
Publication date
Dec 17, 2009
SUMCO CORPORATION
Tomohiro Hashii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR WAFER
Publication number
20090311948
Publication date
Dec 17, 2009
SUMCO CORPORATION
Tomohiro Hashii
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR WAFER
Publication number
20090311863
Publication date
Dec 17, 2009
SUMCO CORPORATION
Tomohiro Hashii
B24 - GRINDING POLISHING
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR WAFER
Publication number
20090311949
Publication date
Dec 17, 2009
SUMCO CORPORATION
Tomohiro Hashii
B24 - GRINDING POLISHING
Information
Patent Application
METHOD OF GRINDING SEMICONDUCTOR WAFERS, GRINDING SURFACE PLATE, AN...
Publication number
20090298396
Publication date
Dec 3, 2009
SUMCO CORPORATION
Tomohiro HASHII
B24 - GRINDING POLISHING
Information
Patent Application
METHOD OF GRINDING SEMICONDUCTOR WAFERS AND DEVICE FOR GRINDING BOT...
Publication number
20090298397
Publication date
Dec 3, 2009
SUMCO CORPORATION
Yasunori YAMADA
B24 - GRINDING POLISHING
Information
Patent Application
Etching Liquid for Controlling Silicon Wafer Surface Shape
Publication number
20070184658
Publication date
Aug 9, 2007
Sakae Koyata
C30 - CRYSTAL GROWTH
Information
Patent Application
Etching liquid for controlling silicon wafer surface shape and meth...
Publication number
20060169667
Publication date
Aug 3, 2006
Sakae Koyata
C30 - CRYSTAL GROWTH