Patents by Inventor Masaomi Takagi

Masaomi Takagi 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).

  • Aluminum hollow bent member and vehicular member construction
    Patent number: 6908111
    Abstract: A metallic product has a metallic curved hollow member having a hollow cross section which has a thin wall portion and a thick wall portion which is thicker than the thin wall portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy. Another metallic product has a metallic curved hollow member having a hollow cross section which has a cross-shaped portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: June 21, 2005
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masaomi Takagi, Hideyori Sakuragi, Takahiro Watanabe
  • Subframe for suspension
    Patent number: 6435556
    Abstract: A subframe for suspension of a vehicle includes at least a hollow frame member and a connecting member joined with an end of the hollow frame member. The connecting member includes a bracket section supporting a link of a suspension, and a collar section formed with a circular hole for receiving an insulator. The connecting member further includes at least one projection projecting from the collar section and defining an enlarged continuous joint surface with the collar section. The hollow member is joined by butt welding to the joint surface formed by the projection and the collar section.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: August 20, 2002
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masaomi Takagi, Takahiro Watanabe, Hideyori Sakuragi
  • Aluminum hollow bent member and vehicular member construction
    Publication number: 20010040387
    Abstract: A metallic product has a metallic curved hollow member having a hollow cross section which has a thin wall portion and a thick wall portion which is thicker than the thin wall portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy. Another metallic product has a metallic curved hollow member having a hollow cross section which has a cross-shaped portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy.
    Type: Application
    Filed: April 6, 2001
    Publication date: November 15, 2001
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Masaomi Takagi, Hideyori Sakuragi, Takahiro Watanabe