Patents by Inventor Mitsugu Udagawa

Mitsugu Udagawa 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).

  • Seat frame structure and method for a connecting seat and a seat frame
    Patent number: 7959232
    Abstract: A seat frame structure includes a seat cushion frame, a seat back frame, and a connecting bracket connecting the seat cushion frame to the seat back frame. The seat cushion frame includes a first beam portion having an internal space in at least one of a left/right side edge portion. The seat back frame includes a second beam portion having an internal space in at least one of a left/right side edge portion. The connecting bracket includes a first arm portion inserted into the internal space of the first beam portion and connected to the first beam portion and a second arm portion inserted into the internal space of the second beam portion and connected to the second beam portion.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: June 14, 2011
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tamotsu Sawada, Mitsugu Udagawa
  • Seat structure
    Publication number: 20070278842
    Abstract: A seat structure includes a board that has a portion rolled up on a periphery of the board. The portion rolled up has a closed cross section with a generally polygonal cross sectional profile.
    Type: Application
    Filed: May 9, 2007
    Publication date: December 6, 2007
    Inventors: Toshihisa Ikai, Mitsugu Udagawa, Kiyoyuki Makino
  • Seat frame structure and method for a connecting seat and a seat frame
    Publication number: 20070262630
    Abstract: A seat frame structure includes a seat cushion frame, a seat back frame, and a connecting bracket connecting the seat cushion frame to the seat back frame. The seat cushion frame includes a first beam portion having an internal space in at least one of a left/right side edge portion. The seat back frame includes a second beam portion having an internal space in at least one of a left/right side edge portion. The connecting bracket includes a first arm portion inserted into the internal space of the first beam portion and connected to the first beam portion and a second arm portion inserted into the internal space of the second beam portion and connected to the second beam portion.
    Type: Application
    Filed: May 11, 2007
    Publication date: November 15, 2007
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Tamotsu Sawada, Mitsugu Udagawa