Patents by Inventor Yasuo Minoshima

Yasuo Minoshima 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).

  • Air conditioning system
    Patent number: 4230470
    Abstract: In an air conditioning system including a compressor, a condenser for condensing a refrigerant through heat exchange with outdoor air, an expansion valve, an evaporator for evaporating the refrigerant through heat exchange with air to be conditioned, and piping connecting these parts together to form a closed main circuit for the refrigerant, there is provided a bypass circuit connecting a point in the main circuit between the condenser and expansion valve to a point in the main circuit between the evaporator and compressor.
    Type: Grant
    Filed: January 19, 1978
    Date of Patent: October 28, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Toshiharu Matsuda, Seigo Miyamoto, Yasuo Minoshima