TREA

Yasufumi Ohata

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler for internal combustion engine
    • Patent number 4,444,288
    • Issue date Apr 24, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutuo Sekiya
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sound absorber
    • Patent number 4,371,581
    • Issue date Feb 1, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Fusaoki Uchikawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Sound absorber
    • Patent number 4,352,853
    • Issue date Oct 5, 1982
    • Mitsubishi Denki Kabushiki Kaisha
    • Fusaoki Uchikawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL