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Charging member and device
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Patent number 5,740,008
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Issue date Apr 14, 1998
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Bridgestone Corporation
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Yoshitomo Masuda
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electric cells
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Patent number 4,939,050
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Issue date Jul 3, 1990
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Bridgestone Corporation
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Shinichi Toyosawa
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H01 - BASIC ELECTRIC ELEMENTS
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Non-aqueous secondary cell
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Patent number 4,906,538
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Issue date Mar 6, 1990
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Bridgestone Corporation
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Shinichi Toyosawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyaniline
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Patent number 4,904,553
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Issue date Feb 27, 1990
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Bridgestone Corporation
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Tadashi Nakajima
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...