Patents by Inventor Hidekazu Kai

Hidekazu Kai 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).

  • Opening/closing device of a door member
    Patent number: 5222792
    Abstract: An opening/closing device of a door for a refrigerator or the like will open/close the door member at a desired side, namely, at the right side or at the left side, without requiring a movable operating handle. The device is simple in construction, has a high adiabatic efficiency, and can be easily incorporated in the door member. Therefore, no special mechanism is necessary in the door member and no structural change is required inside the door member.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: June 29, 1993
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hidekazu Kai, Hiroshi Kamikubo
  • Opening/closing device of a door member
    Patent number: 5064255
    Abstract: An opening/closing device of a door for a refrigerator or the like will open/close the door member at a desired side, namely, at the right side or at the left side, without requiring a movable operating handle. The device is simple in construction, has a high adiabatic efficiency, and can be easily incorporated in the door member. Therefore, no special mechanism is necessary in the door member and no structural change is required inside the door member.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: November 12, 1991
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshio Inui, Masayoshi Osaka, Mitsuo Tanaka, Masao Miyamoto, Tooru Hasegawa, Masuo Kamitaka, Hidekazu Kai, Hiroshi Kamikubo