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Optical scanner
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Patent number 5,253,098
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Issue date Oct 12, 1993
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Mitsubishi Materials Corporation
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Kazuyasu Hikita
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G06 - COMPUTING CALCULATING COUNTING
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Piezoelectric transducer
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Patent number 5,142,511
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Issue date Aug 25, 1992
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Mitsubishi Mining & Cement Co., Ltd.
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Harumi Kanai
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Electro-optical effect composition
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Patent number 5,135,897
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Issue date Aug 4, 1992
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Mitsubishi Materials Corporation
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Kenji Uchino
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Piezoelectric transducer
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Patent number 5,122,993
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Issue date Jun 16, 1992
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Mitsubishi Mining & Cement Co., Ltd.
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Kazuyasu Hikita
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Multilayered ceramic capacitor
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Patent number 4,868,711
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Issue date Sep 19, 1989
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Mitsubishi Mining and Cement Co. Ltd.
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Masahiro Hirama
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H01 - BASIC ELECTRIC ELEMENTS
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Multi-layered ceramic capacitor
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Patent number 4,835,656
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Issue date May 30, 1989
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Mitsubishi Mining & Cement Co., Ltd.
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Naoto Kitahara
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H01 - BASIC ELECTRIC ELEMENTS