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Masaaki IWASA

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rectangular secondary battery
    • Patent number 11,552,377
    • Issue date Jan 10, 2023
    • VEHICLE ENERGY JAPAN INC.
    • Kazuaki Urano
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Secondary cell
    • Patent number 10,608,286
    • Issue date Mar 31, 2020
    • Hitachi Automotive Systems, Ltd.
    • Osamu Kubota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Secondary battery
    • Patent number 10,388,939
    • Issue date Aug 20, 2019
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki Urano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Square secondary battery
    • Patent number 10,147,925
    • Issue date Dec 4, 2018
    • Hitachi Automotive Systems, Ltd.
    • Takuro Tsunaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Secondary battery
    • Patent number 9,843,028
    • Issue date Dec 12, 2017
    • Hitachi Automotive Systems, Ltd.
    • Takuro Tsunaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Secondary battery with current breaking mechanism
    • Patent number 9,741,994
    • Issue date Aug 22, 2017
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki Urano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical storage element
    • Patent number 9,620,762
    • Issue date Apr 11, 2017
    • Hitachi Automotive Systems, Ltd.
    • Takuro Tsunaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Secondary battery
    • Patent number 9,391,308
    • Issue date Jul 12, 2016
    • Hitachi Automotive Systems, Ltd.
    • Takuro Tsunaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Secondary cell
    • Patent number 8,673,470
    • Issue date Mar 18, 2014
    • Hitachi Vehicle Energy, Ltd.
    • Kinya Aota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Welding method and welding apparatus for an impeller
    • Patent number 8,426,766
    • Issue date Apr 23, 2013
    • Hitachi Plant Technologies, Ltd.
    • Takeshi Tsukamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding slot sealing structure and welding method
    • Patent number 8,408,873
    • Issue date Apr 2, 2013
    • Hitachi Plant Technologies, Ltd.
    • Masaaki Iwasa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Secondary Cell
    • Publication number 20180219262
    • Publication date Aug 2, 2018
    • Hitachi Automotive Systems, Ltd.
    • Osamu KUBOTA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Rectangular Secondary Battery
    • Publication number 20170125778
    • Publication date May 4, 2017
    • Hitachi Automotive Systems, Ltd.
    • Masaaki IWASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Secondary Battery
    • Publication number 20170025669
    • Publication date Jan 26, 2017
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki URANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SECONDARY BATTERY
    • Publication number 20160293919
    • Publication date Oct 6, 2016
    • Hitachi Automotive Systems, Ltd.
    • Takuro TSUNAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrical Storage Element
    • Publication number 20150380712
    • Publication date Dec 31, 2015
    • Takuro TSUNAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RECTANGULAR SECONDARY BATTERY
    • Publication number 20150295221
    • Publication date Oct 15, 2015
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki Urano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RECTANGULAR SECONDARY BATTERY
    • Publication number 20150243961
    • Publication date Aug 27, 2015
    • Hitachi Automotive Systems, Ltd.
    • Kazuaki Urano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SQUARE SECONDARY BATTERY
    • Publication number 20150207128
    • Publication date Jul 23, 2015
    • Hitachi Automotive Systems, Ltd.
    • Takuro Tsunaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PRISMATIC STORAGE BATTERY
    • Publication number 20140141293
    • Publication date May 22, 2014
    • HITACHI VEHICLE ENERGY, LTD.
    • Kazuaki Urano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SECONDARY BATTERY
    • Publication number 20140038003
    • Publication date Feb 6, 2014
    • Hitachi Vehicle Energy Ltd
    • Takuro Tsunaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Secondary Cell
    • Publication number 20110195286
    • Publication date Aug 11, 2011
    • HITACHI VEHICLE ENERGY, LTD.
    • Kinya AOTA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    WELDING METHOD AND WELDING APPARATUS FOR AN IMPELLER
    • Publication number 20090095719
    • Publication date Apr 16, 2009
    • Takeshi Tsukamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING SLOT SEALING STRUCTURE AND WELDING METHOD
    • Publication number 20080237195
    • Publication date Oct 2, 2008
    • Masaaki Iwasa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR