Patents by Inventor Taizou Nakagawa

Taizou Nakagawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vibration damping device and bucket for construction machine
    Patent number: 8438759
    Abstract: A bucket for a construction machine including a side plate (11); a bottom plate (12), at least a portion of which is connected to the side plate (11); and a laminated plate (20) that is attached to an outside of the side plate (11). At least a part (16) of the portion where the side plate (11) and the bottom plate (12) are connected on an inside of the side plate (11) and the bottom plate (12) is reinforced.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: May 14, 2013
    Assignee: Komatsu, Ltd.
    Inventors: Kazuya Imamura, Kuniaki Nakada, Taizou Nakagawa
  • VIBRATION DAMPING DEVICE AND BUCKET FOR CONSTRUCTION MACHINE
    Publication number: 20100218403
    Abstract: A bucket for a construction machine including a side plate (11); a bottom plate (12), at least a portion of which is connected to the side plate (11); and a laminated plate (20) that is attached to an outside of the side plate (11). At least a part (16) of the portion where the side plate (11) and the bottom plate (12) are connected on an inside of the side plate (11) and the bottom plate (12) is reinforced.
    Type: Application
    Filed: May 18, 2010
    Publication date: September 2, 2010
    Inventors: Kazuya IMAMURA, Kuniaki Nakada, Taizou Nakagawa
  • Vibration damping device and bucket for construction machine
    Patent number: 7743881
    Abstract: A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11), the inner region being a region (G) other then a region which becomes a loop in a vibration mode when the base material (11) is vibrated in a vibration mode with a predetermined frequency.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: June 29, 2010
    Assignee: Komatsu Ltd.
    Inventors: Kazuya Imamura, Kuniaki Nakada, Taizou Nakagawa
  • Vibration damping device and bucket for construction machine
    Patent number: 7681689
    Abstract: A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11), the inner region being a region (G) other then a region which becomes a loop in a vibration mode when the base material (11) is vibrated in a vibration mode with a predetermined frequency.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: March 23, 2010
    Assignee: Komatsu Ltd.
    Inventors: Kazuya Imamura, Kuniaki Nakada, Taizou Nakagawa
  • Vibration damping device and bucket for construction machine
    Publication number: 20080222928
    Abstract: A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11), the inner region being a region (G) other then a region which becomes a loop in a vibration mode when the base material (11) is vibrated in a vibration mode with a predetermined frequency.
    Type: Application
    Filed: February 21, 2008
    Publication date: September 18, 2008
    Inventors: Kazuya Imamura, Kuniaki Nakada, Taizou Nakagawa
  • Vibration damping device and bucket for construction machine
    Publication number: 20050268500
    Abstract: The invention provides a vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. To this end, the vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11), the inner region being a region (G) other then a region which becomes a loop in a vibration mode when the base material (11) is vibrated in a vibration mode with a predetermined frequency.
    Type: Application
    Filed: September 2, 2003
    Publication date: December 8, 2005
    Inventors: Kazuya Imamura, Kuniaki Nakada, Taizou Nakagawa