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NIPPON LEAKLESS INDUSTRY CO., LTD

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  • TOKYO, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal gasket
    • Patent number 11,326,695
    • Issue date May 10, 2022
    • Nippon Leakless Industry Co., Ltd.
    • Kazuya Wada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal gasket material plate and method for manufacturing the same
    • Patent number 10,151,393
    • Issue date Dec 11, 2018
    • NIPPON LEAKLESS INDUSTRY CO., LTD.
    • Satoshi Ota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 9,284,913
    • Issue date Mar 15, 2016
    • Nippon Leakless Industry Co., Ltd.
    • Shinichi Hirayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 9,121,489
    • Issue date Sep 1, 2015
    • Nippon Leakless Industry Co., Ltd.
    • Osamu Tosa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gaskets for cylinder heads, and methods for manufacturing same
    • Patent number 8,939,452
    • Issue date Jan 27, 2015
    • Nippon Leakless Industry Co., Ltd.
    • Yoshitaka Matsushita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metal gasket material plate and method for manufacturing the same
    • Patent number 7,989,027
    • Issue date Aug 2, 2011
    • Nippon Leakless Industry Co., Ltd.
    • Tsunehiko Abe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket for cylinder head
    • Patent number 7,703,775
    • Issue date Apr 27, 2010
    • Nippon Leakless Industry Co., Ltd.
    • Yoshitaka Matsushita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion graphite sheet of high thermal resistance, and exhaust ga...
    • Patent number 7,147,919
    • Issue date Dec 12, 2006
    • Nippon Leakless Industry Co., Ltd.
    • Kouichi Nakajima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compound sheet gasket
    • Patent number 7,048,278
    • Issue date May 23, 2006
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yasunori Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 6,957,814
    • Issue date Oct 25, 2005
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yasunori Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gasket for high-temperature joint and method of fabricating the same
    • Patent number 6,889,983
    • Issue date May 10, 2005
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yasunori Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket raw material plate and manufacturing method therefor
    • Patent number 6,703,078
    • Issue date Mar 9, 2004
    • Nippon Leakless Industry Co., Ltd.
    • Masabumi Miyashita
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Metal gasket assembly
    • Patent number 6,619,666
    • Issue date Sep 16, 2003
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite material for metal gasket
    • Patent number 6,607,830
    • Issue date Aug 19, 2003
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yasunori Murakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly for cylinder head
    • Patent number 6,554,286
    • Issue date Apr 29, 2003
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly for cylinder head
    • Patent number 6,378,876
    • Issue date Apr 30, 2002
    • Nippon Leakless Industry Co., Ltd.
    • Yoshitaka Matsushita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of producing reclaimed joint sheet and the reclaimed jointsheet
    • Patent number 5,749,996
    • Issue date May 12, 1998
    • Honda Giken Kogyo Kabushiki Kaisha
    • Tsutomu Tomizawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Metal gasket assembly with full beads, half beads, and shims
    • Patent number 5,690,342
    • Issue date Nov 25, 1997
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly with shims
    • Patent number 5,664,790
    • Issue date Sep 9, 1997
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reclaimed joint sheet
    • Patent number 5,658,657
    • Issue date Aug 19, 1997
    • Honda Giken Kogyo Kabushiki Kaisha
    • Tsutomu Tomizawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Metal gasket assembly with shims
    • Patent number 5,639,101
    • Issue date Jun 17, 1997
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly
    • Patent number 5,628,518
    • Issue date May 13, 1997
    • Honda Giken Koyo Kabushiki Kaisha
    • Hideaki Ushio
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly
    • Patent number 5,628,113
    • Issue date May 13, 1997
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal gasket assembly with shims
    • Patent number 5,601,292
    • Issue date Feb 11, 1997
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket assembly with shims
    • Patent number 5,568,932
    • Issue date Oct 29, 1996
    • Nippon Leakless Industry Co., Ltd.
    • Akira Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 5,161,809
    • Issue date Nov 10, 1992
    • Nippon Leakless Industry Co., Ltd.
    • Yoshitaka Matsushita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket and method of producing the same
    • Patent number 5,130,203
    • Issue date Jul 14, 1992
    • Nippon Leakless Industry Co., Ltd.
    • Tsunehiko Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal gasket and method of producing the same
    • Patent number 5,110,630
    • Issue date May 5, 1992
    • Nippon Leakless Industry Co., Ltd.
    • Tunehiko Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method of producing a metal gasket
    • Patent number 5,032,430
    • Issue date Jul 16, 1991
    • Nippon Leakless Industry Co., Ltd.
    • Tsunehiko Abe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 4,968,045
    • Issue date Nov 6, 1990
    • Nippon Leakless Industry Co., Ltd.
    • Tsunehiko Abe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    METAL GASKET
    • Publication number 20200003308
    • Publication date Jan 2, 2020
    • NIPPON LEAKLESS INDUSTRY CO., LTD.
    • Kazuya WADA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    METAL GASKET MATERIAL PLATE AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20160265661
    • Publication date Sep 15, 2016
    • NIPPON LEAKLESS INDUSTRY CO., LTD
    • Satoshi OTA
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    METAL GASKET
    • Publication number 20150252887
    • Publication date Sep 10, 2015
    • NIPPON LEAKLESS INDUSTRY CO., LTD
    • Osamu Tosa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METAL GASKET
    • Publication number 20140097576
    • Publication date Apr 10, 2014
    • NIPPON LEAKLESS INDUSTRY CO., LTD
    • Shinichi Hirayama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Metal Gasket for Cylinder Head
    • Publication number 20070290452
    • Publication date Dec 20, 2007
    • NIPPON LEAKLESS INDUSTRY CO., LTD
    • Yoshitaka Matsushita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...