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Optical connector
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Patent number 9,400,357
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Issue date Jul 26, 2016
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Fujikura Ltd.
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Seiji Kato
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G02 - OPTICS
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Optical connector
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Patent number D611418
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Issue date Mar 9, 2010
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Fujikura Ltd.
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Seiji Kato
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D13 - Equipment for production, distribution, or transformation of energy
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Clock generator circuit
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Patent number 4,417,158
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Issue date Nov 22, 1983
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Fujitsu Limited
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Akihiko Ito
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H03 - BASIC ELECTRONIC CIRCUITRY
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Switched-capacitor filter
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Patent number 4,366,456
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Issue date Dec 28, 1982
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Fujitsu Limited
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Norio Ueno
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G11 - INFORMATION STORAGE
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Switched-capacitor filter
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Patent number 4,333,064
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Issue date Jun 1, 1982
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Fujitsu Limited
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Seiji Kato
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H03 - BASIC ELECTRONIC CIRCUITRY