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Tsunekazu Udagawa

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  • Ichikawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal gasket
    • Patent number 7,367,566
    • Issue date May 6, 2008
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket
    • Patent number 7,311,309
    • Issue date Dec 25, 2007
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gasket
    • Patent number 7,207,572
    • Issue date Apr 24, 2007
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket
    • Patent number 7,137,631
    • Issue date Nov 21, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket
    • Patent number 7,108,268
    • Issue date Sep 19, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket
    • Patent number 7,055,830
    • Issue date Jun 6, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket
    • Patent number 7,014,194
    • Issue date Mar 21, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket
    • Patent number 6,997,463
    • Issue date Feb 14, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket
    • Patent number 6,997,462
    • Issue date Feb 14, 2006
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Head gasket
    • Patent number 6,779,800
    • Issue date Aug 24, 2004
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket with partial resin coating
    • Patent number 6,517,085
    • Issue date Feb 11, 2003
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket with elastic auxiliary sealing member
    • Patent number 6,318,733
    • Issue date Nov 20, 2001
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gasket with annular sealing projection and groove
    • Patent number 6,250,645
    • Issue date Jun 26, 2001
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of forming gasket with annular sealing projection and groove
    • Patent number 6,186,513
    • Issue date Feb 13, 2001
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with corrugated bead
    • Patent number 6,089,573
    • Issue date Jul 18, 2000
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal laminate gasket
    • Patent number 6,056,295
    • Issue date May 2, 2000
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with double beads
    • Patent number 6,036,195
    • Issue date Mar 14, 2000
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with edge support shim
    • Patent number 5,979,907
    • Issue date Nov 9, 1999
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with locally heated-treating bead
    • Patent number 5,906,376
    • Issue date May 25, 1999
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket with stepped sealing portion
    • Patent number 5,899,462
    • Issue date May 4, 1999
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with opposite flanges
    • Patent number 5,895,055
    • Issue date Apr 20, 1999
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal gasket with reduced thickness bead
    • Patent number 5,879,012
    • Issue date Mar 9, 1999
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head gasket with fluid flow path
    • Patent number 5,853,175
    • Issue date Dec 29, 1998
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal laminate type cylinder head gasket with heat preventing portion
    • Patent number 5,842,702
    • Issue date Dec 1, 1998
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with bead and thermal sprayed layer thereof
    • Patent number 5,769,430
    • Issue date Jun 23, 1998
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with coating layer
    • Patent number 5,695,203
    • Issue date Dec 9, 1997
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket having bead with inclined end portion
    • Patent number 5,669,614
    • Issue date Sep 23, 1997
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket with independent and eccentric support bead
    • Patent number 5,653,451
    • Issue date Aug 5, 1997
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket with coating flow preventing dents
    • Patent number 5,642,893
    • Issue date Jul 1, 1997
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal laminate gasket with engaging device
    • Patent number 5,586,770
    • Issue date Dec 24, 1996
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Metal gasket
    • Publication number 20060163820
    • Publication date Jul 27, 2006
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Metal gasket
    • Publication number 20060097460
    • Publication date May 11, 2006
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal gasket
    • Publication number 20060091615
    • Publication date May 4, 2006
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Metal gasket
    • Publication number 20060017232
    • Publication date Jan 26, 2006
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050200083
    • Publication date Sep 15, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Gasket
    • Publication number 20050194749
    • Publication date Sep 8, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050179211
    • Publication date Aug 18, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050167930
    • Publication date Aug 4, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050167929
    • Publication date Aug 4, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050151327
    • Publication date Jul 14, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal laminate gasket
    • Publication number 20050134005
    • Publication date Jun 23, 2005
    • ISHIKAWA GASKET CO., LTD
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050093247
    • Publication date May 5, 2005
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal laminate gasket
    • Publication number 20050093249
    • Publication date May 5, 2005
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket
    • Publication number 20050093248
    • Publication date May 5, 2005
    • Tsunekazu Udagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Head gasket
    • Publication number 20030015844
    • Publication date Jan 23, 2003
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket with partial resin coating
    • Publication number 20020017763
    • Publication date Feb 14, 2002
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder head gasket with partial resin layer
    • Publication number 20020014744
    • Publication date Feb 7, 2002
    • Ishikawa Gasket Co., Ltd.
    • Tsunekazu Udagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...