Patents by Inventor Sumio Minagawa

Sumio Minagawa 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).

  • Enclosed type compressor
    Patent number: 4732548
    Abstract: An enclosed type compressor comprises a casing, a compressor mechanism including a cylinder and a piston reciprocatable in the cylinder provided in the casing, and an electric motor having an output driving shaft also provided vertically in the casing. A main bearing supporting the output shaft is secured to a frame member made of a steel plate at a plurality of positions on both sides of the output shaft and the cylinder of the compression mechanism is secured to the frame member or to the main bearing at positions between the cylinder side securing position of the main bearing and the output shaft as viewed in a plan view.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: March 22, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toshikatsu Iida, Eiichi Aikawa, Sumio Minagawa, Takayoshi Fujiwara