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Tatsumi Hamasaki
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Hiroshima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of cutting workpiece with wire saw, and wire saw
Patent number
8,991,381
Issue date
Mar 31, 2015
Toyo Advanced Technologies Co., Ltd.
Jun Ohya
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire saw with tension detecting means and guide roller speed control
Patent number
8,881,716
Issue date
Nov 11, 2014
Toyo Advanced Technologies Co., Ltd.
Toyohiro Hoshiyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wafer producing apparatus
Patent number
5,975,741
Issue date
Nov 2, 1999
Toyo Advanced Technologies Co., Ltd.
Keishi Kawaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for slicing a work
Patent number
5,902,171
Issue date
May 11, 1999
Toyo Advanced Technologies Co Ltd.
Tatsumi Hamasaki
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Device for detecting a displacement of a blade member of a slicing...
Patent number
5,681,204
Issue date
Oct 28, 1997
Toyo Advanced Technologies Co., Ltd.
Keishi Kawaguchi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for detecting blade flexure and blade flexure con...
Patent number
5,571,040
Issue date
Nov 5, 1996
Toyo Advanced Technologies Co., Ltd.
Keishi Kawaguchi
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Slicing machine and control method thereof
Patent number
5,025,593
Issue date
Jun 25, 1991
Mazda Motor Corporation
Keishi Kawaguchi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
WIRE SAW
Publication number
20120298091
Publication date
Nov 29, 2012
TOYO ADVANCED TECHNOLOGIES CO., LTD.
Toyohiro Hoshiyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF CUTTING WORKPIECE WITH WIRE SAW, AND WIRE SAW
Publication number
20120298090
Publication date
Nov 29, 2012
TOYO ADVANCED TECHNOLOGIES CO., LTD.
Jun Ohya
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR