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Road paving material and method
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Patent number 6,846,355
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Issue date Jan 25, 2005
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Minebea Co., Ltd.
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Kazuo Hokkirigawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Material for bearing rolling element
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Patent number 6,573,215
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Issue date Jun 3, 2003
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Minebea Co., Ltd.
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Kazuo Hokkirigawa
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Material for bearing retainer
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Patent number 6,395,677
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Issue date May 28, 2002
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Minebea Co., Ltd.
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Kazuo Hokkirigawa
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Insulation material
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Patent number 6,342,088
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Issue date Jan 29, 2002
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Ricegrower's Cooperative Limited
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Peter Waldemar Klatt
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3309434
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Patent number 3,309,434
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Issue date Mar 14, 1967
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES