Patents by Inventor Atuhisa Takekoshi

Atuhisa Takekoshi 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: 5180228
    Abstract: A radiation thermometer for measurement of the temperature of molten iron includes a probe tube with a sealed bottom in the form of a spheroidal shape and is made of zirconium boride ceramics. The probe tube is immersed in molten iron and radiation emitted from the spheroidal closed end of the probe tube is received by a sensor at the far end of the tube which is above the level of the molten iron. The spheroidal end of the probe tube is below the surface of molten iron by more than 10 times the inner radius of the probe tube.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: January 19, 1993
    Assignees: Asahi Glass Company Ltd., NKK Corporation
    Inventors: Yoshihiko Tarumi, Atuhisa Takekoshi, Mamoru Inaba, Yoshiro Nishi, Masaaki Sakurai, Satoshi Sakamoto, Kimihiko Sato