TREA

Nakagawa Sangyo Kabushiki Kaisha

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  • Aichi, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a reinforcing bar
    • Patent number 12,083,707
    • Issue date Sep 10, 2024
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige Nakagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Die and method for molding reinforcing bar
    • Patent number 12,011,862
    • Issue date Jun 18, 2024
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige Nakagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing a vehicle muffler
    • Patent number 11,746,682
    • Issue date Sep 5, 2023
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige Nakagawa
    • D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
  • Information Patent Grant

    Method and resin impregnating device for producing a reinforcing bar
    • Patent number 11,701,843
    • Issue date Jul 18, 2023
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige Nakagawa
    • E04 - BUILDING
  • Information Patent Grant

    Forgery-preventing thread/yarn
    • Patent number 11,441,262
    • Issue date Sep 13, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Yoshikatsu Nakagawa
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Method for manufacturing a double pipe
    • Patent number 10,190,475
    • Issue date Jan 29, 2019
    • Nakagawa Sangyo Co., Ltd.
    • Noriaki Nakagawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe flange forming method
    • Patent number 8,533,952
    • Issue date Sep 17, 2013
    • Nakagawa Sangyo Co., Ltd.
    • Noriaki Nakagawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing basalt fiber
    • Patent number 8,501,643
    • Issue date Aug 6, 2013
    • Toyota Jidosha Kabushiki Kaisha
    • Sumio Kamiya
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method for manufacturing thermally expandable base material for veh...
    • Patent number 8,216,406
    • Issue date Jul 10, 2012
    • Nakagawa Sangyo Co., Ltd.
    • Yukihiro Nakagawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method for manufacturing basalt fiber
    • Patent number 8,037,719
    • Issue date Oct 18, 2011
    • Toyota Jidosha Kabushiki Kaisha
    • Sumio Kamiya
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Sub-muffler
    • Patent number 7,896,129
    • Issue date Mar 1, 2011
    • Toyota Jidosha Kabushiki Kaisha
    • Sumio Kamiya
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Basalt fiber material
    • Patent number 7,767,603
    • Issue date Aug 3, 2010
    • Toyota Jidosha Kabushiki Kaisha
    • Sumio Kamiya
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Exhaust pipe of vehicle
    • Patent number 7,461,505
    • Issue date Dec 9, 2008
    • Nakagawa Sangyo Co., Ltd.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fixing structure of tail pipe of exhaust pipe
    • Patent number 7,240,767
    • Issue date Jul 10, 2007
    • Nakagawa Sangyo Co., Ltd.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sound absorbing material, muffler using the sound absorbing materia...
    • Patent number 6,467,571
    • Issue date Oct 22, 2002
    • Nakagawa Sangyo Co., Ltd.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Silencer and process for producing the same
    • Patent number 5,718,045
    • Issue date Feb 17, 1998
    • Honda Giken Kogyo Kabushiki Kaisha
    • Takeshi Tsukahara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler
    • Patent number 4,993,513
    • Issue date Feb 19, 1991
    • Honda Giken Kogyo Kabushiki Kaisha
    • Takeshi Inoue
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust muffler
    • Patent number 4,880,078
    • Issue date Nov 14, 1989
    • Honda Giken Kogyo Kabushiki Kaisha
    • Takeshi Inoue
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Surface treated glass-wool mat and the method for making the same
    • Patent number 4,381,330
    • Issue date Apr 26, 1983
    • Toyo Kogyo Co., Ltd.
    • Yasuo Gotomyo
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ANCHOR FOR REINFORCING BAR MADE OF FIBER-REINFORCED PLASTIC AND MAN...
    • Publication number 20230311198
    • Publication date Oct 5, 2023
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING A VEHICLE MUFFLER
    • Publication number 20220282649
    • Publication date Sep 8, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD FOR PRODUCING A REINFORCING BAR
    • Publication number 20220234254
    • Publication date Jul 28, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD AND RESIN IMPREGNATING DEVICE FOR PRODUCING A REINFORCING BAR
    • Publication number 20220203634
    • Publication date Jun 30, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DIE AND METHOD FOR MOLDING REINFORCING BAR
    • Publication number 20220161479
    • Publication date May 26, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD OF PRODUCING A REINFORCING BAR
    • Publication number 20220072814
    • Publication date Mar 10, 2022
    • NAKAGAWA SANGYO CO., LTD.
    • Hiroshige NAKAGAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD FOR MANUFACTURING A DOUBLE PIPE
    • Publication number 20170159538
    • Publication date Jun 8, 2017
    • NAKAGAWA SANGYO CO., LTD.
    • Noriaki NAKAGAWA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FORGERY-PREVENTING THREAD/YARN
    • Publication number 20160194823
    • Publication date Jul 7, 2016
    • Nakagawa Sangyo Co., Ltd.
    • Yoshikatsu NAKAGAWA
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    INTERIOR SUBSTRATE MATERIAL AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20130052443
    • Publication date Feb 28, 2013
    • NAKAGAWA SANGYO CO., LTD.
    • Noriaki Nakagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    PIPE FLANGE FORMING METHOD
    • Publication number 20120161440
    • Publication date Jun 28, 2012
    • NAKAGAWA SANGYO CO., LTD.
    • Noriaki Nakagawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MAT MATERIAL AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20120115387
    • Publication date May 10, 2012
    • NAKAGAWA SANGYO CO., LTD.
    • Noriaki Nakagawa
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    Method for manufacturing basalt fiber
    • Publication number 20120104306
    • Publication date May 3, 2012
    • Nakagawa Sangyo Co., Ltd.
    • Sumio Kamiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    METHOD FOR MANUFACTURING THERMALLY EXPANDABLE BASE MATERIAL FOR VEH...
    • Publication number 20110265939
    • Publication date Nov 3, 2011
    • NAKAGAWA SANGYO CO., LTD.
    • Yukihiro NAKAGAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HEAT INSULATOR SUITABLE FOR A VEHICLE EXHAUST PIPE
    • Publication number 20110088805
    • Publication date Apr 21, 2011
    • NAKAGAWA SANGYO CO., LTD.
    • Noriaki Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust pipe of vehicle
    • Publication number 20060191259
    • Publication date Aug 31, 2006
    • NAKAGAWA SANGYO CO., LTD.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Construction of coupling exhaust pipes of vehicle
    • Publication number 20060162326
    • Publication date Jul 27, 2006
    • NAKAGAWA SANGYO CO., LTD.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fixing structure of tail pipe of exhaust pipe
    • Publication number 20050103565
    • Publication date May 19, 2005
    • NAKAGAWA SANGYO CO., LTD.
    • Yukihiro Nakagawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES