TREA

TOPURA CO., LTD.

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  • ALEXANDRIA, VA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Screw thread
    • Patent number 11,953,045
    • Issue date Apr 9, 2024
    • TOPURA CO., LTD.
    • Shigeto Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    External thread member
    • Patent number 11,846,311
    • Issue date Dec 19, 2023
    • TOPURA CO., LTD.
    • Naoki Horiuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    External screw member
    • Patent number 11,795,986
    • Issue date Oct 24, 2023
    • TOPURA CO., LTD.
    • Minoru Sugiyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Aluminum alloy and fastener member
    • Patent number 11,279,990
    • Issue date Mar 22, 2022
    • NHK Spring Co., Ltd.
    • Noriyoshi Kaneda
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    External thread member
    • Patent number 11,162,525
    • Issue date Nov 2, 2021
    • TOPURA CO., LTD.
    • Kuninori Matsumoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    External screw member
    • Patent number 10,954,985
    • Issue date Mar 23, 2021
    • TOPURA CO., LTD.
    • Takehiro Okuwaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fastening member and rod-like member for fastening member
    • Patent number 10,294,977
    • Issue date May 21, 2019
    • NHK Spring Co., Ltd.
    • Toshio Kazama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Threaded fastener
    • Patent number 9,752,609
    • Issue date Sep 5, 2017
    • TOPURA CO., LTD.
    • Shigeto Mori
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing aluminum based alloy-made fastening part a...
    • Patent number 9,534,282
    • Issue date Jan 3, 2017
    • TOPURA CO., LTD.
    • Kouhei Miyamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapping screw
    • Patent number 9,267,528
    • Issue date Feb 23, 2016
    • Topura Co., Ltd.
    • Naoki Horiuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Loosening prevention threaded fastener
    • Patent number 9,181,972
    • Issue date Nov 10, 2015
    • TOPURA CO., LTD.
    • Shigeto Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coating agent for tapping screw, method for preparing the coating a...
    • Patent number 8,927,064
    • Issue date Jan 6, 2015
    • Topura Co., Ltd.
    • Shigeto Mori
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Tapping screw
    • Patent number 7,780,388
    • Issue date Aug 24, 2010
    • Topura Co., Ltd.
    • Koji Yamaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Surface-treating method of screw parts
    • Patent number 6,183,809
    • Issue date Feb 6, 2001
    • Nissan Motor Co., Ltd.
    • Hideyori Sakuragi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bolt equipped with pilot
    • Patent number 6,077,013
    • Issue date Jun 20, 2000
    • Topura Co., Ltd.
    • Naoki Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-tapping screw
    • Patent number 5,249,882
    • Issue date Oct 5, 1993
    • Topura Co., Ltd.
    • Eiichi Nagoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-tapping screw
    • Patent number 5,205,694
    • Issue date Apr 27, 1993
    • Topura Co., Ltd.
    • Eiichi Nagoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-tapping screw
    • Patent number 5,203,657
    • Issue date Apr 20, 1993
    • Topura Co., Ltd.
    • Eiichi Nagoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dies for forming drilling screws
    • Patent number 4,677,703
    • Issue date Jul 7, 1987
    • Topura Co., Ltd.
    • Katsuhisa Yamasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded fastener
    • Patent number 4,637,767
    • Issue date Jan 20, 1987
    • Topura Co., Ltd.
    • Kouichi Yaotani
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for securing screw means onto metal plate and metal plate ha...
    • Patent number 4,114,670
    • Issue date Sep 19, 1978
    • Topura Co., Ltd. (Kabushiki Kaisha Tohpura)
    • Tetsuya Akashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREW THREAD
    • Publication number 20220128082
    • Publication date Apr 28, 2022
    • Topura Co., Ltd.
    • Shigeto MORI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THREADED FASTENER
    • Publication number 20210301861
    • Publication date Sep 30, 2021
    • Topura Co., Ltd.
    • Youichi MATSUEDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXTERNAL THREAD MEMBER
    • Publication number 20210254652
    • Publication date Aug 19, 2021
    • Topura Co., Ltd.
    • Naoki HORIUCHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXTERNAL SCREW MEMBER
    • Publication number 20210231157
    • Publication date Jul 29, 2021
    • Topura Co., Ltd.
    • Minoru SUGIYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXTERNAL SCREW MEMBER
    • Publication number 20200370587
    • Publication date Nov 26, 2020
    • Topura Co., Ltd.
    • Takehiro OKUWAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXTERNAL THREAD MEMBER
    • Publication number 20190376548
    • Publication date Dec 12, 2019
    • TOPURA CO., LTD.
    • Kuninori MATSUMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ALUMINUM ALLOY AND FASTENER MEMBER
    • Publication number 20190316230
    • Publication date Oct 17, 2019
    • NHK SPRING CO., LTD.
    • Noriyoshi KANEDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FASTENING MEMBER AND ROD-LIKE MEMBER FOR FASTENING MEMBER
    • Publication number 20170089384
    • Publication date Mar 30, 2017
    • NHK Spring Co., Ltd.
    • Toshio Kazama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    THREADED FASTENER
    • Publication number 20160169263
    • Publication date Jun 16, 2016
    • TOPURA CO., LTD.
    • Shigeto MORI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING ALUMINUM BASED ALLOY-MADE FASTENING PART A...
    • Publication number 20130230366
    • Publication date Sep 5, 2013
    • Topura Co., Ltd.
    • Kouhei Miyamoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    COATING AGENT FOR TAPPING SCREW, METHOD FOR PREPARING THE COATING A...
    • Publication number 20100034615
    • Publication date Feb 11, 2010
    • TOPURA CO., LTD.
    • Shigeto Mori
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    TAPPING SCREW
    • Publication number 20090053008
    • Publication date Feb 26, 2009
    • TOPURA CO., LTD.
    • Koji Yamaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    88675730 - SUPER ACCESS POINT
    • Serial number 88675730
    • Filing date Oct 31, 2019
    • TOPURA CO., LTD.
    • 6 - Common metals and their alloys
  • Information Trademark

    79258304 - SUPER ACCESS POINT
    • Serial number 79258304
    • Filing date Feb 28, 2019
    • TOPURA CO., LTD.
    • 6 - Common metals and their alloys
  • Information Trademark

    75298285 - T
    • Serial number 75298285
    • Filing date May 27, 1997
    • TOPURA CO., LTD.
    • 6 - Common metals and their alloys
  • Information Trademark

    75242265 - T
    • Serial number 75242265
    • Filing date Feb 14, 1997
    • TOPURA CO., LTD.
    • 6 - Common metals and their alloys
  • Information Trademark

    73174382 - BULLIT
    • Serial number 73174382
    • Registration number 1221407
    • Filing date Jun 14, 1978
    • Topura Co., Ltd.
    • 6 - Common metals and their alloys