TREA

Nobuyuki Matsumura

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  • Kumagaya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for cleaning exhaust gas containing nitrogen oxides
    • Patent number 5,645,804
    • Issue date Jul 8, 1997
    • Kabushiki Kaisha Riken
    • Satoshi Sumiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas cleaner and method of cleaning exhaust gas
    • Patent number 5,320,999
    • Issue date Jun 14, 1994
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method of cleaning exhaust gas
    • Patent number 5,290,530
    • Issue date Mar 1, 1994
    • Kabushiki Kaisha Riken
    • Gyo Muramatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas cleaner
    • Patent number 5,141,714
    • Issue date Aug 25, 1992
    • Kabushiki Kaisha Riken
    • Akira Obuchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES