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Broadband switching networks
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Issue date Jan 10, 2006
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Kabushiki Kaisha Toshiba
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Hiroshi Kobayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Broadband switching networks
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Patent number 6,219,349
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Issue date Apr 17, 2001
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Kabushiki Kaisha Toshiba
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Hiroshi Kobayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Broadband switching networks
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Patent number 5,896,371
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Issue date Apr 20, 1999
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Kabushiki Kaisha Toshiba
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Hiroshi Kobayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Broadband switching networks
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Patent number 5,825,766
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Issue date Oct 20, 1998
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Kabushiki Kaisha Toshiba
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Hiroshi Kobayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical fiber amplifier
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Patent number 5,633,750
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Issue date May 27, 1997
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Ando Electric Co., Ltd.
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Seiji Nogiwa
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H01 - BASIC ELECTRIC ELEMENTS
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Optical polarization controller
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Patent number 5,596,441
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Issue date Jan 21, 1997
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Ando Electric Co., Ltd.
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Nobuhiro Sakakibara
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Broad band switching network
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Patent number 5,493,573
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Issue date Feb 20, 1996
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Kabushiki Kaisha Toshiba
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Hiroshi Kobayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical amplifier
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Patent number 5,475,529
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Issue date Dec 12, 1995
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Ando Electric Co., Ltd.
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Tatuhiko Takatu
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H01 - BASIC ELECTRIC ELEMENTS
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