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Optical connector
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Patent number 11,409,053
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Issue date Aug 9, 2022
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SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
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Takahiro Inaba
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G02 - OPTICS
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Connector removal tool
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Patent number 11,287,584
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Issue date Mar 29, 2022
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Sumitomo Electric Industries, Ltd.
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Daizo Nishioka
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Optical connector
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Patent number 10,866,365
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Issue date Dec 15, 2020
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JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.
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Mitsumasa Seita
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G02 - OPTICS
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Coating removal tool
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Patent number 10,663,664
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Issue date May 26, 2020
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Sumitomo Electric Industries, Ltd.
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Daizo Nishioka
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Optical connector construction tool
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Patent number 9,075,204
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Issue date Jul 7, 2015
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Sumitomo Electric Industries, Ltd.
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Daizo Nishioka
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Optical connector
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Patent number 7,341,381
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Issue date Mar 11, 2008
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The Furukawa Electric Co., Ltd.
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Naoko Shimoji
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G02 - OPTICS
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Optical communication connector
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Patent number D556688
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Issue date Dec 4, 2007
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Matsushita Electric Works, Ltd.
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Yoshihiro Shogaki
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D13 - Equipment for production, distribution, or transformation of energy
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Microstructured optical fiber
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Patent number 7,043,127
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Issue date May 9, 2006
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Sumitomo Electric Industries, Ltd.
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Takemi Hasegawa
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C03 - GLASS MINERAL OR SLAG WOOL
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Microstructured optical fiber
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Patent number 6,901,197
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Issue date May 31, 2005
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Sumitomo Electric Industries, Ltd.
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Takemi Hasegawa
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C03 - GLASS MINERAL OR SLAG WOOL