TREA

Tsuneaki Narumiya

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Porous ceramic structure and method of filtering aluminum
    • Patent number 4,765,833
    • Issue date Aug 23, 1988
    • Bridgestone Corporation
    • Tsuneaki Narumiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Porous ceramic structure
    • Patent number 4,740,406
    • Issue date Apr 26, 1988
    • Bridgestone Corporation
    • Tsuneaki Narumiya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Gas-permeable thermal insulator
    • Patent number 4,568,273
    • Issue date Feb 4, 1986
    • Bridgestone Tire Co., Ltd.
    • Tsuneaki Narumiya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Porous ceramic article
    • Patent number 4,560,478
    • Issue date Dec 24, 1985
    • Bridgestone Tire Co., Ltd.
    • Tsuneaki Narumiya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Molten metal filtering device
    • Patent number 4,426,287
    • Issue date Jan 17, 1984
    • Bridgestone Tire Co., Ltd.
    • Tsuneaki Narumiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Ink roller and a method of producing the same
    • Patent number 4,358,505
    • Issue date Nov 9, 1982
    • Bridgestone Tire Company Limited
    • Tsuneaki Narumiya
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Device for purification of exhaust gas
    • Patent number 4,308,233
    • Issue date Dec 29, 1981
    • Bridgestone Tire Company Limited
    • Tsuneaki Narumiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Ceramic porous bodies
    • Patent number 4,302,502
    • Issue date Nov 24, 1981
    • Bridgestone Tire Company Limited
    • Tsuneaki Narumiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cordierite, alumina, silica porous ceramic bodies coated with an ac...
    • Patent number 4,258,099
    • Issue date Mar 24, 1981
    • Bridgestone Tire Company Limited
    • Tsuneaki Narumiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cordierite, silica, alumina porous ceramic body
    • Patent number 4,257,810
    • Issue date Mar 24, 1981
    • Bridgestone Tire Company Limited
    • Tsuneaki Narumiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...