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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Recycling method for scrap silicon
Patent number
7,842,118
Issue date
Nov 30, 2010
IIS Materials Corporation, Ltd.
Norichika Yamauchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for refining boron-containing silicon using an...
Patent number
7,815,882
Issue date
Oct 19, 2010
IIS Materials Corporation, Ltd.
Norichika Yamauchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Crucible apparatus and method of solidifying a molten material
Patent number
7,799,133
Issue date
Sep 21, 2010
IIS Materials Corporation, Ltd.
Norichika Yamauchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Refining apparatus for scrap silicon using an electron beam
Patent number
7,687,019
Issue date
Mar 30, 2010
IIS Materials Corporation, Ltd.
Norichika Yamauchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of refining scrap silicon using an electron beam
Patent number
7,632,329
Issue date
Dec 15, 2009
IIS Materials Corporation, Ltd.
Norichika Yamauchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of selecting and analyzing scrap silicon
Patent number
7,526,388
Issue date
Apr 28, 2009
IIS Materials Corporation, Ltd.
Norichika Yamauchi
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of crushing silicon blocks
Patent number
7,195,184
Issue date
Mar 27, 2007
IIS Materials Corporation, Ltd.
Norichika Yamauchi
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Patents Applications
last 30 patents
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last 30 trademarks