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Koichiro Hirosawa

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  • Kariya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bellows pump
    • Patent number 5,251,539
    • Issue date Oct 12, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compression machine
    • Patent number 5,201,643
    • Issue date Apr 13, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compression machine
    • Patent number 5,141,409
    • Issue date Aug 25, 1992
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air flow system having constant discharge volume
    • Patent number 5,133,327
    • Issue date Jul 28, 1992
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotor device having inner rotor and driven outer rotor
    • Patent number 5,044,907
    • Issue date Sep 3, 1991
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor unit with peripheral projections and clearances for centrifug...
    • Patent number 4,948,352
    • Issue date Aug 14, 1990
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Continuously variable transmission including planetary gearing
    • Patent number 4,599,916
    • Issue date Jul 15, 1986
    • Aisin Seiki Kabushiki Kaisha
    • Koichiro Hirosawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Speed change gear
    • Patent number 4,143,562
    • Issue date Mar 13, 1979
    • Aisin Seiki Kabushiki Kaisha
    • Noboru Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...