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Keiji Hanzawa

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Flow Sensor, Method for Manufacturing Flow Sensor and Flow Sensor M...
    • Publication number 20210108953
    • Publication date Apr 15, 2021
    • Hitachi Automotive Systems, Ltd.
    • Tsutomu KONO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Thermal Flow Meter Including a Cover Mounted on a Housing and Where...
    • Publication number 20200240822
    • Publication date Jul 30, 2020
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS FLOW RATE MEASUREMENT DEVICE
    • Publication number 20190353509
    • Publication date Nov 21, 2019
    • Hitachi Automotive Systems, Ltd.
    • Kazunori SUZUKI
    • G01 - MEASURING TESTING
  • Information Patent Application

    THERMAL AIRFLOW SENSOR
    • Publication number 20190178694
    • Publication date Jun 13, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryosuke Doi
    • G01 - MEASURING TESTING
  • Information Patent Application

    THERMAL FLOW METER
    • Publication number 20190162569
    • Publication date May 30, 2019
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20180274959
    • Publication date Sep 27, 2018
    • Hitachi Automotive Systems, LTD.
    • Noboru Tokuyasu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Thermal Airflow Sensor
    • Publication number 20180266862
    • Publication date Sep 20, 2018
    • Hitachi Automotive Systems, Ltd.
    • Ryosuke DOI
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    Thermal Airflow Measuring Device
    • Publication number 20180252564
    • Publication date Sep 6, 2018
    • Hitachi Automotive Systems, Ltd.
    • Shinobu Tashiro
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Flow Sensor, Method for Manufacturing Flow Sensor and Flow Sensor M...
    • Publication number 20180073905
    • Publication date Mar 15, 2018
    • Hitachi Automotive Systems, Ltd.
    • Tsutomu KONO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20180017422
    • Publication date Jan 18, 2018
    • Hitachi Automotive Systems, Ltd.
    • Shinobu TASHIRO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter with a Case Having a Resin Housing which Support...
    • Publication number 20170370752
    • Publication date Dec 28, 2017
    • Hitachi Automotive Systems, Ltd.
    • Shinobu TASHIRO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter Including A Cover Mounted on a Housing and Where...
    • Publication number 20170363455
    • Publication date Dec 21, 2017
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20170345776
    • Publication date Nov 30, 2017
    • Hitachi Automotive Systems, Ltd.
    • Shinobu TASHIRO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20170336232
    • Publication date Nov 23, 2017
    • Hitachi Automotive Systems, Ltd.
    • Shinobu Tashiro
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Air Flow Sensor
    • Publication number 20170322062
    • Publication date Nov 9, 2017
    • Hitachi Automotive Systems, Ltd.
    • Norio Ishitsuka
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Airflow Sensor
    • Publication number 20170227389
    • Publication date Aug 10, 2017
    • Hitachi Automotive Systems, Ltd.
    • Ryosuke DOI
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20170205262
    • Publication date Jul 20, 2017
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter with Thin Resin Portion Sealing Temperature Dete...
    • Publication number 20170176230
    • Publication date Jun 22, 2017
    • Hitachi Automotive Systems, Ltd.
    • Noboru TOKUYASU
    • G01 - MEASURING TESTING
  • Information Patent Application

    INTAKE AIR TEMPERATURE SENSOR AND FLOW MEASUREMENT DEVICE
    • Publication number 20160003686
    • Publication date Jan 7, 2016
    • Hitachi Automotive Systems, Ltd.
    • Masahiro Matsumoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Fluid Measurement Device
    • Publication number 20150377676
    • Publication date Dec 31, 2015
    • Hitachi Automotive Systems Ltd.
    • Satoshi ASANO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20150355006
    • Publication date Dec 10, 2015
    • Hitachi Automotive Systems, Ltd.
    • Shinobu Tashiro
    • G01 - MEASURING TESTING
  • Information Patent Application

    Flow Sensor and Manufacturing Method for the Same
    • Publication number 20150338258
    • Publication date Nov 26, 2015
    • Tsutomu KONO
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    Thermal Airflow Sensor
    • Publication number 20150323360
    • Publication date Nov 12, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryosuke DOI
    • G01 - MEASURING TESTING
  • Information Patent Application

    THERMAL FLOW METER
    • Publication number 20150300858
    • Publication date Oct 22, 2015
    • Hitachi Automotive Systems, Ltd.
    • Masahiro Matsumoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Sensor Device
    • Publication number 20150260765
    • Publication date Sep 17, 2015
    • Hitachi Automotive Systems, Ltd.
    • Masahiro Matsumoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20150192441
    • Publication date Jul 9, 2015
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Flow Sensors and Manufacturing Method for Same
    • Publication number 20150192446
    • Publication date Jul 9, 2015
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Satoshi Arai
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20150185060
    • Publication date Jul 2, 2015
    • Hitachi Automotive Systems, Ltd.
    • Noboru Tokuyasu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20150185058
    • Publication date Jul 2, 2015
    • Hitachi Automotive Systems, Ltd.
    • Takeshi Morino
    • G01 - MEASURING TESTING
  • Information Patent Application

    Thermal Flow Meter
    • Publication number 20150187708
    • Publication date Jul 2, 2015
    • Hitachi Automotive Systems, Ltd.
    • Shinobu Tashiro
    • G01 - MEASURING TESTING