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Teruhiko Hirasawa
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Kanagawa, JP
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last 30 patents
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Patent Grant
Silicon single crystal and wafer doped with gallium and method for...
Patent number
6,815,605
Issue date
Nov 9, 2004
Shin-Etsu Handotai Co., Ltd.
Takao Abe
C30 - CRYSTAL GROWTH
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Patent Grant
Ga-doped multi-crytsalline silicon, Ga-doped multi-crystalline sili...
Patent number
6,313,398
Issue date
Nov 6, 2001
Shin-Etsu Chemical Co., Ltd.
Toru Yamada
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method for the preparation of wire-formed silicon crystal
Patent number
5,667,585
Issue date
Sep 16, 1997
Shin-Etsu Chemical Co., Ltd.
Tsuguo Fukuda
C30 - CRYSTAL GROWTH
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Patent Grant
Silicon solar cell
Patent number
5,431,741
Issue date
Jul 11, 1995
Shin-Etsu Chemical Co., Ltd.
Susumu Sakaguchi
H01 - BASIC ELECTRIC ELEMENTS