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Youji Takagi
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Yokohama, JP
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last 30 patents
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Patent Grant
Wafer supporting jig and a decompressed gas phase growth method usi...
Patent number
5,169,684
Issue date
Dec 8, 1992
Toyoko Kagaku Co., Ltd.
Youji Takagi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Wafer supporting jig and a decompressed gas phase growth method usi...
Patent number
5,169,453
Issue date
Dec 8, 1992
Toyoko Kagaku Co., Ltd.
Youji Takagi
C30 - CRYSTAL GROWTH