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OKENSEIKO CO., LTD.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diaphragm pump
    • Patent number 11,225,960
    • Issue date Jan 18, 2022
    • Okenseiko Co., Ltd.
    • Akira Inoue
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 10,641,262
    • Issue date May 5, 2020
    • Okenseiko Co., Ltd.
    • Akira Inoue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with motor
    • Patent number 10,641,261
    • Issue date May 5, 2020
    • Okenseiko Co., Ltd.
    • Akira Inoue
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 10,550,832
    • Issue date Feb 4, 2020
    • Okenseiko Co., Ltd.
    • Kazuki Itahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rapid-discharge-valve structural body and diaphragm pump
    • Patent number 10,001,118
    • Issue date Jun 19, 2018
    • Okenseiko Co., Ltd.
    • Tadashi Fukami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Diaphragm pump integrally including quick discharge valve unit
    • Patent number 9,951,769
    • Issue date Apr 24, 2018
    • Okenseiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 9,453,504
    • Issue date Sep 27, 2016
    • Okenseiko Co., Ltd.
    • Tadashi Fukami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 9,341,176
    • Issue date May 17, 2016
    • Okenseiko Co., Ltd.
    • Kazuki Itahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature pump with ball-plate drive
    • Patent number 6,506,033
    • Issue date Jan 14, 2003
    • Okenseiko Co., Ltd.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact pump
    • Patent number 6,206,664
    • Issue date Mar 27, 2001
    • Okenseiko Co., Ltd.
    • Goro Kakizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    DIAPHRAGM PUMP AND PRESSURE REGULATING APPARATUS
    • Publication number 20210285436
    • Publication date Sep 16, 2021
    • OKENSEIKO CO., LTD.
    • Tadashi FUKAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP
    • Publication number 20200173433
    • Publication date Jun 4, 2020
    • OKENSEIKO CO., LTD.
    • Akira INOUE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP
    • Publication number 20180363646
    • Publication date Dec 20, 2018
    • OKENSEIKO CO., LTD.
    • Akira INOUE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH MOTOR
    • Publication number 20180223824
    • Publication date Aug 9, 2018
    • OKENSEIKO CO., LTD.
    • Akira INOUE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP
    • Publication number 20180223828
    • Publication date Aug 9, 2018
    • OKENSEIKO CO., LTD.
    • Kazuki ITAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RAPID-DISCHARGE-VALVE STRUCTURAL BODY AND DIAPHRAGM PUMP
    • Publication number 20160123315
    • Publication date May 5, 2016
    • OKENSEIKO CO., LTD.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP INTEGRALLY INCLUDING QUICK DISCHARGE VALVE UNIT
    • Publication number 20160047375
    • Publication date Feb 18, 2016
    • OKENSEIKO CO., LTD.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP
    • Publication number 20140154117
    • Publication date Jun 5, 2014
    • OKENSEIKO CO., LTD.
    • Tadashi Fukami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...