Patents by Inventor Isao Hishikari

Isao Hishikari 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).

  • Patent number: 4599507
    Abstract: In a blackbody furnace comprises a furnace provided with at least one aperture at an end along a horizontal direction with the interior thereof being hollow and a polyhedral heating unit is provided enveloping the furnace, each surface of the aperture, target and side surfaces of the heating unit is divided into two or three zones, and these zones of the heating unit are controlled in such manner that the temperature of the aperture comes to have a prescribed relationship with respect to the temperature of the target of the blackbody furnace, whereby the effective cavity emissivity of the blackbody furnace is always unity.
    Type: Grant
    Filed: March 2, 1982
    Date of Patent: July 8, 1986
    Assignee: Chino Works, Ltd.
    Inventors: Isao Hishikari, Toshihiko Ide