-
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Optical signal processing device
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Patent number 11,982,884
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Issue date May 14, 2024
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Nippon Telegraph and Telephone Corporation
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Mitsumasa Nakajima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical modulator
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Patent number 8,755,641
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Issue date Jun 17, 2014
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Sumitomo Osaka Cement Co., Ltd.
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Junichiro Ichikawa
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G02 - OPTICS
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Polycrystalline ferroelectric fiber
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Patent number 4,921,328
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Issue date May 1, 1990
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Alfred University
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Vinay K. Seth
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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