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Light generating module
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Patent number 6,786,627
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Issue date Sep 7, 2004
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Sumitomo Electric Industries, Ltd.
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Toshio Takagi
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H01 - BASIC ELECTRIC ELEMENTS
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Optical transceiver
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Patent number 6,540,412
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Issue date Apr 1, 2003
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Sumitomo Electric Industries, Ltd.
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Ryugen Yonemura
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G02 - OPTICS
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Optical module having dimensional accuracy
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Patent number 5,361,318
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Issue date Nov 1, 1994
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Sumitomo Electric Industries, Ltd.
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Hisao Go
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lead frame
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Patent number 5,304,818
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Issue date Apr 19, 1994
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Sumitomo Electric Industries, Ltd.
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Hisao Go
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G02 - OPTICS
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Optical receiver/transmiter module
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Patent number D333122
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Issue date Feb 9, 1993
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Sumitomo Electric Industries, Ltd.
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Mitsutoshi Kamakura
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D13 - Equipment for production, distribution, or transformation of energy
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Optical module
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Patent number 5,170,453
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Issue date Dec 8, 1992
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Sumitomo Electric Industries, Ltd.
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Hisao Go
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G02 - OPTICS
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Optical receiver/transmitter module
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Patent number D330006
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Issue date Oct 6, 1992
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Sumitomo Electric Industries, Ltd.
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Mitsutoshi Kamakura
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D13 - Equipment for production, distribution, or transformation of energy
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Process for producing optical module
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Patent number 5,099,307
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Issue date Mar 24, 1992
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Sumitomo Electric Industries, Ltd.
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Hisao Go
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL