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Kiyokazu Ichikawa

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  • Fukuroi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wet type multi-plate clutch
    • Patent number 7,641,033
    • Issue date Jan 5, 2010
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch housing
    • Patent number 7,540,212
    • Issue date Jun 2, 2009
    • NSK-Warner K.K.
    • Hideki Oki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Clutch hub
    • Patent number 7,383,932
    • Issue date Jun 10, 2008
    • NSK-Warner K.K.
    • Tomoyuki Miyazaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Supporting structure of multi-plate clutch and method of assembling...
    • Patent number 7,287,633
    • Issue date Oct 30, 2007
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing a member having toothed portion
    • Patent number 7,197,908
    • Issue date Apr 3, 2007
    • NSK-Warner K.K.
    • Hideki Oki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Multiplate clutch
    • Patent number 6,752,252
    • Issue date Jun 22, 2004
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic pressure control valve
    • Publication number 20070137715
    • Publication date Jun 21, 2007
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multi-plate type friction engaging apparatus and bush for such mult...
    • Publication number 20060169565
    • Publication date Aug 3, 2006
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Wet type multi-plate clutch
    • Publication number 20060169567
    • Publication date Aug 3, 2006
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hub for wet multi-plate clutch
    • Publication number 20060113157
    • Publication date Jun 1, 2006
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch hub
    • Publication number 20060054448
    • Publication date Mar 16, 2006
    • NSK-Warner K.K.
    • Tomoyuki Miyazaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch housing and method of manufacturing thereof
    • Publication number 20060042903
    • Publication date Mar 2, 2006
    • NSK-Warner K.K.
    • Hideki Oki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of manufacturing a member having toothed portion
    • Publication number 20060016075
    • Publication date Jan 26, 2006
    • NSK-Warner K.K.
    • Hideki Oki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Hydraulic clutch
    • Publication number 20060011442
    • Publication date Jan 19, 2006
    • NSK-WARNER KABUSHIKI KAISHA
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Supporting structure of multi-plate clutch and method of assembling...
    • Publication number 20050183925
    • Publication date Aug 25, 2005
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multiplate clutch
    • Publication number 20040256193
    • Publication date Dec 23, 2004
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotational element for automatic transmission
    • Publication number 20040079605
    • Publication date Apr 29, 2004
    • NSK-WARNER KABUSHIKI KAISHA
    • Hirofumi Itoh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Multiplate clutch
    • Publication number 20030038013
    • Publication date Feb 27, 2003
    • NSK-Warner K.K.
    • Kiyokazu Ichikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...