Hironobu Imaizumi

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Coned disc spring

    • Patent number 9,400,027
    • Issue date Jul 26, 2016
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring retainer and spring system

    • Patent number 8,297,603
    • Issue date Oct 30, 2012
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Coned disc spring

    • Patent number 8,091,873
    • Issue date Jan 10, 2012
    • Toyota Jidosha Kabushiki Kaisha
    • Yukitoshi Ogawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring retainer and spring system

    • Patent number 7,997,242
    • Issue date Aug 16, 2011
    • NHK Spring Co., Ltd.
    • Noritoshi Takamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coned disc spring

    • Patent number 7,971,690
    • Issue date Jul 5, 2011
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cushion plate

    • Patent number 7,438,168
    • Issue date Oct 21, 2008
    • Aisin Aw Co., Ltd.
    • Akihiko Kita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SPRING MEMBER

    • Publication number 20240229886
    • Publication date Jul 11, 2024
    • NHK Spring Co., Ltd.
    • Yoshio YAMADA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPRING MEMBER

    • Publication number 20240133442
    • Publication date Apr 25, 2024
    • NHK Spring Co., Ltd.
    • Yoshio YAMADA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPRING MEMBER

    • Publication number 20230400078
    • Publication date Dec 14, 2023
    • NHK Spring Co., Ltd.
    • Yoshio YAMADA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PRESSING STRUCTURE AND PRESSING UNIT

    • Publication number 20200088257
    • Publication date Mar 19, 2020
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONED DISC SPRING

    • Publication number 20150076756
    • Publication date Mar 19, 2015
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPRING RETAINER AND SPRING SYSTEM

    • Publication number 20110140327
    • Publication date Jun 16, 2011
    • Hironobu Imaizumi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Spring Retainer and Spring System

    • Publication number 20090235882
    • Publication date Sep 24, 2009
    • NHK SPRING CO., LTD.
    • Noritoshi Takamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Coned Disc Spring

    • Publication number 20080150205
    • Publication date Jun 26, 2008
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Coned Disc Spring

    • Publication number 20080136075
    • Publication date Jun 12, 2008
    • NHK Spring Co., Ltd.
    • Hironobu Imaizumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...