Patents by Inventor Frederick T. Yoshimura

Frederick T. Yoshimura 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).

  • Patent number: 4678202
    Abstract: A folding chair assembly for dual use as a wheelchair or a flight attendant's seat onboard a commercial passenger airplane. The folding chair assembly can be manipulated into any of the following modes: (1) fully retracted into a compact assembly that can be stowably secured by a plurality of catches against a vertical wall in the passenger compartment of an aircraft; (2) with the chair assembly still secured to the wall, the seat pan is pulled down against a seat return spring and is usable as a flight attendant's seat; and (3) the folded chair assembly is completely detached from the plurality of retaining catches and fully extended to function as a wheelchair that is usable down the aisles of commercial passenger aircraft.
    Type: Grant
    Filed: October 23, 1986
    Date of Patent: July 7, 1987
    Assignee: The Boeing Company
    Inventors: Tom M. Jensen, Frederick T. Yoshimura, Deborah P. Jensen
  • Patent number: 4640525
    Abstract: A folding chair assembly for dual use as a wheelchair or a flight attendant's seat onboard a commercial passenger airplane. The folding chair assembly can be manipulated into any of the following modes: (1) fully retracted into a compact assembly that can be stowably secured by a plurality of catches against a vertical wall in the passenger compartment of an aircraft; (2) with the chair assembly still secured to the wall, the seat pan is pulled down against a seat return spring and is usable as a flight attendant's seat; and (3) the folded chair assembly is completely detached from the plurality of retaining catches and fully extended to function as a wheelchair that is usable down the aisles of commercial passenger aircraft.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: February 3, 1987
    Assignee: The Boeing Company
    Inventors: Tom M. Jensen, Frederick T. Yoshimura, Deborah P. Jensen