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Douglas S. Matsunaga

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  • Schiller Park, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Torque balancing roll forming machine
    • Patent number 10,160,017
    • Issue date Dec 25, 2018
    • Douglas S. Matsunaga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Threading for slitter
    • Patent number 9,943,974
    • Issue date Apr 17, 2018
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Scrap winder
    • Patent number 9,808,951
    • Issue date Nov 7, 2017
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Blanking line using slitter as feeder
    • Patent number 8,201,429
    • Issue date Jun 19, 2012
    • Braner USA, Inc.
    • Douglas Matsunaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool locking system
    • Patent number 7,966,916
    • Issue date Jun 28, 2011
    • Braner USA, Inc.
    • Douglas Matsunaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Variable strip tensioner
    • Patent number 6,964,392
    • Issue date Nov 15, 2005
    • Douglas S. Matsunaga
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Roll forming machine and method for changing side roll stands
    • Patent number 5,950,477
    • Issue date Sep 14, 1999
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll forming machine and method for changing rolls
    • Patent number 5,823,036
    • Issue date Oct 20, 1998
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll forming machine
    • Patent number 5,450,740
    • Issue date Sep 19, 1995
    • Braner USA, Inc.
    • Steve Lovinggood
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tension roller
    • Patent number 5,007,272
    • Issue date Apr 16, 1991
    • Braner, Inc.
    • Douglas S. Matsunaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    TORQUE BALANCING ROLL FORMING MACHINE
    • Publication number 20170203347
    • Publication date Jul 20, 2017
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    THREADING FOR SLITTER
    • Publication number 20160339593
    • Publication date Nov 24, 2016
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Scrap Winder
    • Publication number 20160303753
    • Publication date Oct 20, 2016
    • Braner USA, Inc.
    • Douglas S. Matsunaga
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    TOOL LOCKING SYSTEM
    • Publication number 20100175529
    • Publication date Jul 15, 2010
    • Douglas Matsunaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TOOL LOCKING SYSTEM
    • Publication number 20080289462
    • Publication date Nov 27, 2008
    • Douglas Matsunaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR