-
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Optical communication system
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Patent number 5,214,524
-
Issue date May 25, 1993
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Sumitomo Electric Industries, Ltd.
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Masayuki Shigematsu
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Optical fiber connector
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Patent number 4,983,012
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Issue date Jan 8, 1991
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Sumitomo Electric Industries, Ltd.
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Kazuhito Saito
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G02 - OPTICS
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Optical connector ferrule
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Patent number 4,950,048
-
Issue date Aug 21, 1990
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Sumitomo Electric Industries, Ltd.
-
Toshiaki Kakii
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G02 - OPTICS
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-
-
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Optical cable
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Patent number 4,820,014
-
Issue date Apr 11, 1989
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Sumitomo Electric Industries, Ltd.
-
Akira Nishimura
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G02 - OPTICS
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Quartz glass optical fiber
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Patent number 4,804,247
-
Issue date Feb 14, 1989
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Sumitomo Electric Industries, Ltd.
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Michihisa Kyoto
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G02 - OPTICS
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-
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Optical connector
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Patent number 4,726,647
-
Issue date Feb 23, 1988
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Sumitomo Electric Industries, Ltd.
-
Toshiaki Kakii
-
G02 - OPTICS
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-
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Multi core optical fiber
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Patent number 4,653,852
-
Issue date Mar 31, 1987
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Sumitomo Electric Industries, Ltd.
-
Shuzo Suzuki
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G02 - OPTICS