Patents by Inventor Norihiko Miyasita

Norihiko Miyasita 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).

  • Publication number: 20030168094
    Abstract: A thermoelectric material is prepare by mixing and melting at least two members selected from bismuth, tellurium, selenium, antimony, and sulfur to obtain an alloy ingot; grinding the alloy ingot to obtain powder of the alloy ingot; and hot pressing the powder of the alloy ingot. The hot pressing is performed under the conditions of a temperature of 500° C. or higher and 600° C. or lower and a pressure of 20 MPa or higher and 45 MPa or lower.
    Type: Application
    Filed: February 13, 2003
    Publication date: September 11, 2003
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Norihiko Miyasita, Tomoyasu Yano, Ryoma Tsukuda, Isamu Yashima