Patents by Inventor Mitsuo Hirooka

Mitsuo Hirooka 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).

  • Publication number: 20120298655
    Abstract: High frequency microwaves and stem are supplied to a heating chamber (20) disposed inside the disclosed high frequency cooking device (1). On the floor of the heating chamber is formed a funnel-shaped slope (28), at the bottom of which is formed a condensate drain (27). A rotation shaft (31d) for transmitting rotation to a turn table (30) passes through the condensate drain. A cup-shaped support base (33) supporting a motor (32) for rotating the rotation shaft catches the condensate flowing out of the condensate drain. A drain pipe (36) forming part of the drain path (37) is connected to a drain (35) of the support base. A U-shaped bend (36a) formed in the drain pipe constitutes a water-sealing unit (39) where condensate accumulates.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 29, 2012
    Inventors: Yasuhiko Kamii, Mitsuo Hirooka
  • Patent number: 7296510
    Abstract: A cooking device, wherein, when a roast chicken is selected from a menu displayed on an operating part (81), a centrifugal fan (51) is controlled so as to be rotated in forward direction at a high speed to blow out hot air with a speed of 65 km/h or faster from upper blowout ports (71) and hot air with a speed of 30 km/h or slower from side blowout ports (72) whereby a roast chicken in a heating chamber (3) can be cooked at the high speed and, when a sponge cake is selected from the menu, the centrifugal fan (51) is controlled so as to be rotated in reverse direction at a low speed to blow out hot air with a speed of 30 km/h or slower from the upper blowout ports (71) and hot air with a speed of 40 km/h or slower from the side blowout ports (72) whereby a sponge cake in the heating chamber (3) can be cooked light and fluffy.
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: November 20, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaki Ohtsuka, Yukishige Shiraichi, Shinya Ueda, Yasuhiro Sakoda, Mitsuo Hirooka
  • Patent number: 7161125
    Abstract: A cooking appliance has a configuration that allows the heating item mounting unit of a heating chamber to be pulled out, and that can prevent generation of discharge failure by microwaves, without having to form a slide mechanism with a component or material that has high heat-resistance and fire-resistance. The cooking appliance includes a main unit with a heating chamber, a drawer unit arranged movable in the main unit so as to be pulled out from the heating chamber of the main unit, and a slide rail for moving the drawer unit in the main unit. The slide rail is provided outside the heating chamber.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: January 9, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akihiro Yoshidome, Mitsuo Hirooka
  • Publication number: 20050173399
    Abstract: A cooking appliance has a configuration that allows the heating item mounting unit of a heating chamber to be pulled out, and that can prevent generation of discharge failure by microwaves, without having to form a slide mechanism with a component or material that has high heat-resistance and fire-resistance. The cooking appliance includes a main unit with a heating chamber, a drawer unit arranged movable in the main unit so as to be pulled out from the heating chamber of the main unit, and a slide rail for moving the drawer unit in the main unit. The slide rail is provided outside the heating chamber.
    Type: Application
    Filed: January 4, 2005
    Publication date: August 11, 2005
    Inventors: Akihiro Yoshidome, Mitsuo Hirooka
  • Patent number: 4579405
    Abstract: An AC power cord assembled in the plastic-molded bushing unit that has a groove engaged with the edge of an open space which is formed through the wall of the installation base and contains a plurality of electric lines of the AC power cord including the earth line. The bushing unit also provides an earth terminal which is connected to the earth line and integrally formed in and held by the bushing unit. As a result, by externally securing the main unit with a screw, assembly work can be easily and conveniently performed, thus significantly reducing the cost.
    Type: Grant
    Filed: June 12, 1984
    Date of Patent: April 1, 1986
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuo Hirooka