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Cover-integrated gasket
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Patent number 7,044,475
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Issue date May 16, 2006
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Bridgestone Corporation
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Yasushi Imai
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Conductive roll
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Patent number 5,597,652
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Issue date Jan 28, 1997
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Bridgestone Corporation
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Tadashi Utsunomiya
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Conveyor belt
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Patent number 4,674,622
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Issue date Jun 23, 1987
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Bridgestone Corporation
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Tadashi Utsunomiya
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Rubber compound for conveyor belts
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Patent number 4,507,418
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Issue date Mar 26, 1985
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Bridgestone Tire Company Limiited
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Tadashi Utsunomiya
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...