TREA

Kenji Tsuchiya

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Moving device
    • Patent number 12,122,467
    • Issue date Oct 22, 2024
    • TOKYO KEIKI INC.
    • Tooru Kikuchi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Adhesion device
    • Patent number 11,408,462
    • Issue date Aug 9, 2022
    • TOKYO KEIKI INC.
    • Takao Murakoshi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Branching unit and vehicular system
    • Patent number 10,589,760
    • Issue date Mar 17, 2020
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takashi Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Railroad vehicle
    • Patent number 9,919,722
    • Issue date Mar 20, 2018
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji Tsuchiya
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Switch
    • Patent number 9,818,562
    • Issue date Nov 14, 2017
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Operating device or vacuum switch
    • Patent number 9,378,913
    • Issue date Jun 28, 2016
    • Hitachi, Ltd.
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear and opening and closing method thereof
    • Patent number 9,318,285
    • Issue date Apr 19, 2016
    • Hitachi, Ltd.
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Resistor, method of assembling the same, and switchgear
    • Patent number 9,312,669
    • Issue date Apr 12, 2016
    • Hitachi, Ltd.
    • Ayumu Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Grease for electrical contact and slide electricity structure, powe...
    • Patent number 9,238,784
    • Issue date Jan 19, 2016
    • Hitachi, Ltd.
    • Takashi Sato
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Actuator for contactor
    • Patent number 9,142,371
    • Issue date Sep 22, 2015
    • Hitachi, Ltd.
    • Takamitsu Hae
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear
    • Patent number 8,946,581
    • Issue date Feb 3, 2015
    • Hitachi, Ltd.
    • Masato Yabu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switch unit and switchgear equipped therewith
    • Patent number 8,872,054
    • Issue date Oct 28, 2014
    • Hitachi, Ltd.
    • Miki Yamazaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear
    • Patent number 8,791,379
    • Issue date Jul 29, 2014
    • Hitachi, Ltd.
    • Shuichi Kikukawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear and method for operating switchgear
    • Patent number 8,710,388
    • Issue date Apr 29, 2014
    • Hitachi, Ltd.
    • Tomoaki Utsumi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear
    • Patent number 8,576,545
    • Issue date Nov 5, 2013
    • Hitachi, Ltd.
    • Keiichi Takahashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum insulated switchgear
    • Patent number 8,411,418
    • Issue date Apr 2, 2013
    • Hitachi, Ltd.
    • Shuichi Kikukawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum insulated switchgear including a bus recovery member
    • Patent number 8,379,373
    • Issue date Feb 19, 2013
    • Hitachi, Ltd.
    • Shuichi Kikukawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum insulated switchgear
    • Patent number 8,373,082
    • Issue date Feb 12, 2013
    • Hitachi, Ltd.
    • Kenji Tsuchiya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear having main circuit switches disposed in separate vacuum...
    • Patent number 8,354,607
    • Issue date Jan 15, 2013
    • Hitachi, Ltd.
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum insulated switchgear
    • Patent number 8,304,679
    • Issue date Nov 6, 2012
    • Hitachi, Ltd.
    • Kenji Tsuchiya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum insulated switch-gear and its height adjusting method
    • Patent number 8,304,678
    • Issue date Nov 6, 2012
    • Hitachi, Ltd.
    • Shuichi Kikukawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrode for switch and vacuum switch, and method of manufacturing...
    • Patent number 8,294,057
    • Issue date Oct 23, 2012
    • Hitachi, Ltd.
    • Miki Yamazaki
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Vacuum switchgear
    • Patent number 8,247,725
    • Issue date Aug 21, 2012
    • Hitachi, Ltd.
    • Ayumu Morita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum switch
    • Patent number 8,237,076
    • Issue date Aug 7, 2012
    • Hitachi, Ltd.
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum switch and vacuum switchgear
    • Patent number 8,227,720
    • Issue date Jul 24, 2012
    • Hitachi, Ltd.
    • Kenji Tsuchiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear
    • Patent number 8,189,325
    • Issue date May 29, 2012
    • Hitachi, Ltd.
    • Takuya Kurogi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum switchgear
    • Patent number 8,168,909
    • Issue date May 1, 2012
    • Hitachi, Ltd.
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum insulating switch gear
    • Patent number 8,110,771
    • Issue date Feb 7, 2012
    • Hitachi, Ltd.
    • Keiichi Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum insulated switch and vacuum insulated switchgear
    • Patent number 8,049,130
    • Issue date Nov 1, 2011
    • Hitachi, Ltd.
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Solid insulated bus switchgear
    • Patent number 8,045,322
    • Issue date Oct 25, 2011
    • Hitachi, Ltd.
    • Takuya Kurogi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Yawing Restricting Device
    • Publication number 20240262140
    • Publication date Aug 8, 2024
    • TOKYO KEIKI INC.
    • Kenji TSUCHIYA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MOVING DEVICE
    • Publication number 20220177060
    • Publication date Jun 9, 2022
    • TOKYO KEIKI INC.
    • Tooru KIKUCHI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Adhesion Device
    • Publication number 20210324900
    • Publication date Oct 21, 2021
    • TOKYO KEIKI INC.
    • Takao MURAKOSHI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Branching Unit and Vehicular System
    • Publication number 20190144012
    • Publication date May 16, 2019
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takashi SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Electrical Contact for Vacuum Interrupter and Process for Producing...
    • Publication number 20160141126
    • Publication date May 19, 2016
    • Hitachi, Ltd
    • Shigeru KIKUCHI
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Switchgear
    • Publication number 20160049268
    • Publication date Feb 18, 2016
    • Hitachi, Ltd
    • Toshiaki ROKUNOHE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Railroad Vehicle
    • Publication number 20160001798
    • Publication date Jan 7, 2016
    • Hitachi, Ltd
    • Kenji TSUCHIYA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Operating Device or Vacuum Switch
    • Publication number 20150318132
    • Publication date Nov 5, 2015
    • Hitachi, Ltd
    • Takashi SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCH
    • Publication number 20150206676
    • Publication date Jul 23, 2015
    • Hitachi, Ltd
    • Takashi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Operation Device, Vacuum Opening/Closing Device, and Method for Ass...
    • Publication number 20150198260
    • Publication date Jul 16, 2015
    • Hitachi, Ltd
    • Takamitsu Hae
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SWITCHGEAR AND SWITCHGEAR ASSEMBLING METHOD
    • Publication number 20150124376
    • Publication date May 7, 2015
    • Hitachi, Ltd
    • Ayumu Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Vacuum Switch
    • Publication number 20150060409
    • Publication date Mar 5, 2015
    • Hitachi, Ltd
    • Shinsuke Iitsuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ACTUATOR FOR CONTACTOR
    • Publication number 20140361858
    • Publication date Dec 11, 2014
    • Hitachi, Ltd
    • Takamitsu HAE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCHGEAR AND OPENING AND CLOSING METHOD THEREOF
    • Publication number 20140360853
    • Publication date Dec 11, 2014
    • Hitachi, Ltd
    • Takashi SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrical Contacts, Manufacturing Methods Thereof, Electrodes, Vac...
    • Publication number 20140076852
    • Publication date Mar 20, 2014
    • Hitachi, Ltd
    • Shigeru KIKUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RESISTOR, METHOD OF ASSEMBLING THE SAME, AND SWITCHGEAR
    • Publication number 20130335887
    • Publication date Dec 19, 2013
    • Ayumu MORITA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switchgear
    • Publication number 20130240485
    • Publication date Sep 19, 2013
    • Hitachi, Ltd
    • Masato YABU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Vacuum Valve and Switchgear Equipped with Said Vacuum Valve
    • Publication number 20130001200
    • Publication date Jan 3, 2013
    • Hitachi Ltd.
    • Ayumu Morita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Grease for Electrical Contact and Slide Electricity Structure, Powe...
    • Publication number 20120276755
    • Publication date Nov 1, 2012
    • NOK Klueber Co., Ltd.
    • Takashi SATO
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    SWITCHGEAR
    • Publication number 20120152716
    • Publication date Jun 21, 2012
    • Hitachi, Ltd.
    • Shuichi KIKUKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCH UNIT AND SWITCHGEAR EQUIPPED THEREWITH
    • Publication number 20120132622
    • Publication date May 31, 2012
    • Hitachi, Ltd.
    • Miki YAMAZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCHGEAR
    • Publication number 20120044616
    • Publication date Feb 23, 2012
    • Keiichi TAKAHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electrode for Switch and Vacuum Switch, and Method of Manufacturing...
    • Publication number 20110073567
    • Publication date Mar 31, 2011
    • Hitachi, Ltd
    • Miki YAMAZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM INSULATED SWITCHGEAR
    • Publication number 20110062117
    • Publication date Mar 17, 2011
    • Hitachi, Ltd
    • Kenji Tsuchiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM INSULATED SWITCHGEAR
    • Publication number 20110058311
    • Publication date Mar 10, 2011
    • Hitachi, Ltd
    • Shuichi KIKUKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switchgear and Method for Operating Switchgear
    • Publication number 20110036811
    • Publication date Feb 17, 2011
    • Hitachi, Ltd
    • Tomoaki Utsumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RESIN-MOLDED VACUUM VALVE
    • Publication number 20100314357
    • Publication date Dec 16, 2010
    • Hitachi, Ltd.
    • Masato KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM INSULATING SWITCH GEAR
    • Publication number 20100243611
    • Publication date Sep 30, 2010
    • Hitachi, Ltd
    • Keiichi TAKAHASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EARTHING EQUIPMENT FOR SWITCHGEAR
    • Publication number 20100208416
    • Publication date Aug 19, 2010
    • Hitachi, Ltd
    • Kenichi SHODA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    VACUUM INSULATED SWITCHGEAR
    • Publication number 20100195273
    • Publication date Aug 5, 2010
    • Hitachi, Ltd
    • Shuichi KIKUKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER