TREA

Teruichi Kadoya

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  • Hamakita, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element and method for producing the same
    • Patent number 5,273,560
    • Issue date Dec 28, 1993
    • Toyo Roki Seizo Kabushiki Kaisha
    • Teruichi Kadoya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Air cleaner element and method of manufacturing the same
    • Patent number 5,043,000
    • Issue date Aug 27, 1991
    • Toyo Roki Seizo K.K.
    • Teruichi Kadoya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multi-layer filter medium
    • Patent number 4,976,858
    • Issue date Dec 11, 1990
    • Toyo Roki Seizo Kabushiki Kaisha
    • Teruichi Kadoya
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gradient density filter medium
    • Patent number 4,793,923
    • Issue date Dec 27, 1988
    • Toyo Roki Seizo K.K.
    • Teruichi Kadoya
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL