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Sadahiro Nakajima
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Tokyo, JP
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last 30 patents
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Patent Grant
Process for producing porous antireflective coatings
Patent number
4,693,910
Issue date
Sep 15, 1987
Hoya Corporation
Sadahiro Nakajima
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Method of increasing the thermal shock resistance of phosphate lase...
Patent number
4,547,402
Issue date
Oct 15, 1985
Hoya Corporation
Sadahiro Nakajima
C03 - GLASS MINERAL OR SLAG WOOL