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Functional optical module
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Patent number 7,338,217
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Issue date Mar 4, 2008
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The Furukawa Electric Co., Ltd.
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Masahito Morimoto
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G02 - OPTICS
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Functional optical module
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Patent number 7,040,814
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Issue date May 9, 2006
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The Furukawa Electric Co., Ltd.
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Masahito Morimoto
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G02 - OPTICS
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Variable optical attenuator
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Patent number 7,013,075
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Issue date Mar 14, 2006
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The Furukawa Electric Co., Ltd.
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Masahito Morimoto
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G02 - OPTICS
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Variable optical attenuator
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Patent number 6,876,810
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Issue date Apr 5, 2005
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The Furukawa Electric Co., Ltd.
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Masahito Morimoto
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G02 - OPTICS
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-
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Variable optical attenuator
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Patent number 6,636,683
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Issue date Oct 21, 2003
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The Furukawa Electric Co., Ltd.
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Masahito Morimoto
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G02 - OPTICS
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Optical line switching system
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Patent number 6,477,288
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Issue date Nov 5, 2002
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The Furukawa Electric Co., Ltd.
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Kouki Sato
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H04 - ELECTRIC COMMUNICATION TECHNIQUE