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Satoshi Shiraishi
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Osaka, JP
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last 30 patents
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Patent Grant
Process for producing optical transmission fiber
Patent number
4,295,869
Issue date
Oct 20, 1981
Sumitomo Electric Industries, Ltd.
Satoshi Shiraishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing optical transmission fiber
Patent number
4,242,375
Issue date
Dec 30, 1980
Sumitomo Electric Industries, Ltd.
Satoshi Shiraishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing optical transmission fiber
Patent number
4,165,152
Issue date
Aug 21, 1979
Sumitomo Electric Industries, Ltd.
Satoshi Shiraishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing optical transmission fiber
Patent number
4,161,505
Issue date
Jul 17, 1979
Sumitomo Electric Industries, Ltd.
Satoshi Shiraishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Manufacturing method of an optical waveguide
Patent number
4,123,483
Issue date
Oct 31, 1978
Sumitomo Electric Industries, Ltd.
Tsuneo Nakahara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL