Patents by Inventor Sinya Ito

Sinya Ito 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).

  • Refrigerant compressor and refrigeration system incorporating same
    Patent number: 5557945
    Abstract: A filter formed of a filter material, such as, fluororesin, cellulose ester, polycarbonate or silica fiber is provided in a refrigerant flow passage of a refrigeration system. In the refrigerant flow passage, the filter is sandwiched by porous members, or the filter is attached to a porous member by means of, such as, heat sealing. The filter may be provided in a drier provided in the refrigerant flow passage. Alternatively, the filter may be provided in the refrigerant flow passage within a sealed casing of a refrigerant compressor which is incorporated in the refrigeration system.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: September 24, 1996
    Assignee: Matsushita Refrigeration Company
    Inventors: Masao Mangyo, Sinya Ito, Seishi Nakaoka