Patents by Inventor Heiichiro Ishii

Heiichiro Ishii 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).

  • Refrigeration system
    Patent number: 4341086
    Abstract: A refrigeration system comprised of a compressor, a condenser, an expansion valve and an evaporator, wherein the expansion valve includes a means for separating a gaseous phase refrigerant generated within the valve from a liquid phase refrigerant so as to feed the liquid phase refrigerant to an inlet of the evaporator and the gaseous phase refrigerant to an outlet of the evaporator.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: July 27, 1982
    Assignee: Clarion Co., Ltd.
    Inventor: Heiichiro Ishii