Patents by Inventor Noboru Igarashi

Noboru Igarashi 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).

  • Frame construction for microwave oven having an integrally formed open chassis and an inserting opening
    Patent number: 5017750
    Abstract: An improved frame construction for a microwave oven and the like, which is so arranged that, a front panel portion, a bottom plate portion and a rear plate portion are integrally formed into one unit as an open chassis, while an inserting opening is formed in the bottom plate portion of the open chassis in a position under an oven structure of the frame construction for inserting welding jigs or the like through the inserting opening.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: May 21, 1991
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Noboru Igarashi
  • Construction of a heating compartment for cooking apparatus
    Patent number: 4597374
    Abstract: A plurality of plate elements are curled with one another to provide a heating compartment for a cooking apparatus including a microwave oven. The plate elements have ends which are curled to a circular form and may include a front plate, a base plate having two side walls, and a top plate containing a back plate. In another specific form of the present invention, such plate elements are the front plate, the base plate having the side walls, the back plate and a separate top plate.
    Type: Grant
    Filed: June 11, 1982
    Date of Patent: July 1, 1986
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Noboru Igarashi