TREA

Ken OKUYAMA

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Torque sensor and torque detection device
    • Patent number 11,774,304
    • Issue date Oct 3, 2023
    • PROTERIAL, LTD.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 11,035,888
    • Issue date Jun 15, 2021
    • Hitachi Metals, Ltd.
    • Jun Umetsu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,877,071
    • Issue date Dec 29, 2020
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,877,075
    • Issue date Dec 29, 2020
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,794,935
    • Issue date Oct 6, 2020
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,712,370
    • Issue date Jul 14, 2020
    • Hitachi Metals, Ltd.
    • Naoki Futakuchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,677,819
    • Issue date Jun 9, 2020
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electric current detection device and electric current detection me...
    • Patent number 10,502,767
    • Issue date Dec 10, 2019
    • Hitachi Metals, Ltd.
    • Masaki Noguchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,416,200
    • Issue date Sep 17, 2019
    • Hitachi Metals, Ltd.
    • Naoki Futakuchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,209,277
    • Issue date Feb 19, 2019
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,088,505
    • Issue date Oct 2, 2018
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current sensor
    • Patent number 10,060,953
    • Issue date Aug 28, 2018
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electric current sensor
    • Patent number 9,880,206
    • Issue date Jan 30, 2018
    • Hitachi Metals, Ltd.
    • Katsuya Akimoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current detection structure
    • Patent number 9,557,352
    • Issue date Jan 31, 2017
    • Hitachi Metals, Ltd.
    • Katsuya Akimoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current detection structure
    • Patent number 9,513,317
    • Issue date Dec 6, 2016
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Torque and index detection apparatus
    • Patent number 8,528,422
    • Issue date Sep 10, 2013
    • JTEKT Corporation
    • Takahiro Sanada
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Torque-index sensor
    • Patent number 8,047,084
    • Issue date Nov 1, 2011
    • Hitachi Cable, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    TORQUE MEASURING DEVICE AND MANUFACTURING METHOD THEREOF
    • Publication number 20230280223
    • Publication date Sep 7, 2023
    • NSK Ltd.
    • Masahiro KOBAYASHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    TORQUE MEASURING DEVICE
    • Publication number 20230280222
    • Publication date Sep 7, 2023
    • NSK Ltd.
    • Masahiro Kobayashi
    • G01 - MEASURING TESTING
  • Information Patent Application

    TORQUE SENSOR AND TORQUE DETECTION DEVICE
    • Publication number 20220228935
    • Publication date Jul 21, 2022
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT SENSOR
    • Publication number 20200256895
    • Publication date Aug 13, 2020
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT SENSOR
    • Publication number 20200256897
    • Publication date Aug 13, 2020
    • Hitachi Metals, Ltd.
    • Akitoshi Fujimori
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT SENSOR
    • Publication number 20200182912
    • Publication date Jun 11, 2020
    • Hitachi Metals, Ltd.
    • Naoki FUTAKUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT SENSOR
    • Publication number 20200018804
    • Publication date Jan 16, 2020
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20190250193
    • Publication date Aug 15, 2019
    • Hitachi Metals, Ltd.
    • Naoki Futakuchi
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20190187183
    • Publication date Jun 20, 2019
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20190187187
    • Publication date Jun 20, 2019
    • Hitachi Metals, Ltd.
    • Jun UMETSU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20190170794
    • Publication date Jun 6, 2019
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20190170793
    • Publication date Jun 6, 2019
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20180284162
    • Publication date Oct 4, 2018
    • Hitachi Metals, Ltd.
    • Ken Okuyama
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20180143226
    • Publication date May 24, 2018
    • Hitachi Metals, Ltd.
    • Naoki FUTAKUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20170370969
    • Publication date Dec 28, 2017
    • HITACHI METALS, LTD
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT DETECTION DEVICE AND ELECTRIC CURRENT DETECTION ME...
    • Publication number 20170315157
    • Publication date Nov 2, 2017
    • Hitachi Metals, Ltd.
    • Masaki NOGUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20170285076
    • Publication date Oct 5, 2017
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SENSOR
    • Publication number 20170285075
    • Publication date Oct 5, 2017
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT DETECTION STRUCTURE
    • Publication number 20150204915
    • Publication date Jul 23, 2015
    • Hitachi Metals, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT DETECTION STRUCTURE
    • Publication number 20150204919
    • Publication date Jul 23, 2015
    • Hitachi Metals, Ltd.
    • Katsuya AKIMOTO
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC CURRENT SENSOR
    • Publication number 20150204916
    • Publication date Jul 23, 2015
    • Hitachi Metals, Ltd.
    • Katsuya AKIMOTO
    • G01 - MEASURING TESTING
  • Information Patent Application

    TORQUE AND INDEX DETECTION APPARATUS
    • Publication number 20120060628
    • Publication date Mar 15, 2012
    • JTEKT Corporation
    • Takahiro SANADA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    TORQUE-INDEX SENSOR
    • Publication number 20100242627
    • Publication date Sep 30, 2010
    • Hitachi Cable, Ltd.
    • Ken OKUYAMA
    • G01 - MEASURING TESTING