Patents by Inventor Syoji Shiga

Syoji Shiga 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).

  • Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing the same
    Patent number: 4898318
    Abstract: An improved copper radiator for motor cars comprising a plurality of tubes adapted for the flow of a heat-exchanging medium therethrough, fins bonded directly with solder to said tubes to form a copper core and wherein said core is bonded with solder to at least one seat plate, the improvement in that the surface of the fins of said copper radiator has an oxidized layer of a thickness of not more than 1200 .ANG..
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: February 6, 1990
    Assignees: The Furukawa Electric Co., Ltd., Nippondenso Co., Ltd.
    Inventors: Syoji Shiga, Akira Matsuda, Nobuyuki Shibata, Kiichi Akasaka
  • Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing
    Patent number: 4775004
    Abstract: An improved copper radiator for motor cars comprising a plurality of tubes adapted for the flow of a heat-exchanging medium therethrough, fins bonded directly with solder to said tubes to form a copper core and wherein said core is bonded with solder to at least one seat plate, the improvement in that the surface of the fins of said copper radiator has an oxidized layer of a thickness of not more than 1200 .ANG..
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: October 4, 1988
    Assignees: The Furukawa Electric Co., Ltd., Nippondenso Co., Ltd.
    Inventors: Syoji Shiga, Akira Matsuda, Nobuyuki Shibata, Kiichi Akasaka