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Toshio Iwamoto
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Tokyo, JP
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last 30 patents
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Patent Grant
Light-transmitting fiber of glass core and clad of cured copolymer...
Patent number
4,804,246
Issue date
Feb 14, 1989
Asahi Glass Company Ltd.
Shigeyoshi Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Plastic-clad light-transmitting fiber
Patent number
4,765,713
Issue date
Aug 23, 1988
Asahi Glass Company, Ltd.
Masashi Matsuo
C03 - GLASS MINERAL OR SLAG WOOL