Patents by Inventor Yukichi Yazawa

Yukichi Yazawa 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: 4814588
    Abstract: There is disclosed a card type foodstuffs heating apparatus with a plurality of differnt heating modes in which at least one desired heating mode is selected from the plurality of heating modes by means of one card selected in use from a plurality of different cards.Each of the different cards carries main information for instructing the selection of at least one heating mode required for a desired cooking from the plurality of heating modes, and additional information for instructing at least one additional heating conditions determined dependent on the specified heating mode. The apparatus has setters for setting the additional heating conditions in accordance with the additional information carried by a selected card, and a heating operation controller for actuating the specified heating mode in accordance with the main information carried by the selected card so as to effect the heating operation under the set additional heating condition.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: March 21, 1989
    Assignee: Hitachi Heating Appliances Co., Ltd.
    Inventors: Kouichi Hotta, Yukichi Yazawa, Osami Tatsukawa
  • Patent number: 4450345
    Abstract: In a foodstuffs heating apparatus wherein a plurality of different heating function modes are selectively effected and heating temperature and heating time are settable, when an oven heating function is selected from the plurality of function modes by a selected cooking card, the function of selector switches adapted to select heating function modes other than the oven heating function may be changed from the heating function mode selection to the heating temperature setting, so that the setting of heating temperature may automatically be effected by utilizing the cooking card.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: May 22, 1984
    Assignee: Hitachi Heating Appliances Co., Ltd.
    Inventors: Kouichi Hotta, Yukichi Yazawa, Osami Tatsukawa
  • Patent number: 4370545
    Abstract: A cooking apparatus provided with a card type switch actuator including a card holder having at least an openable cover member and a bottom wall disposed in opposition to the cover member in its closed state, a plurality of push-button switches mounted on the bottom wall of the card holder, a plurality of cards of a substantially same size prepared for various control purposes, respectively, and a chamber provided in the card holder for accommodating a selected one of the cards at a predetermined position. Each of the push-button switches has a push-button head projecting in the chamber from the bottom wall, and each of the cards is provided with through-holes of a size slightly greater than that of the push-button head at locations corresponding to the positions of those push-button switches which are not to be actuated depending on the control purpose assigned to the card.
    Type: Grant
    Filed: October 29, 1980
    Date of Patent: January 25, 1983
    Assignee: Hitachi Heating Appliances Co., Ltd.
    Inventors: Kouichi Hotta, Yukichi Yazawa, Osami Tatsukawa