Patents Assigned to TOMATEC CO., LTD.
  • Cu—Cr—Zn—O based pigment
    Patent number: 11981582
    Abstract: A Cu—Cr—Zn—O based pigment includes a Cu—Cr—O based oxide and Zn derived from a zinc oxide added as a modifying oxide and solid-dissolved in the Cu—Cr—O based oxide. The Cu—Cr—Zn—O based pigment has a composition formula of aCuO·bCr2O3·cZnO (mol %), in which 0.1?c?5, 45?a+c?55, and 45?b?55 (a+b+c=100).
    Type: Grant
    Filed: July 13, 2023
    Date of Patent: May 14, 2024
    Assignee: TOMATEC CO., LTD.
    Inventors: Jun Fujiwara, Tatsuo Matoda
  • Cu-Cr-Zn-O BASED PIGMENT
    Publication number: 20230406721
    Abstract: A Cu—Cr—Zn—O based pigment includes a Cu—Cr—O based oxide and Zn derived from a zinc oxide added as a modifying oxide and solid-dissolved in the Cu—Cr—O based oxide. The Cu—Cr—Zn—O based pigment has a composition formula of aCuO·bCr2O3·cZnO (mol %), in which 0.1?c?5, 45?a+c?55, and 45?b?55 (a+b+c=100).
    Type: Application
    Filed: July 13, 2023
    Publication date: December 21, 2023
    Applicant: TOMATEC CO., LTD.
    Inventors: Jun FUJIWARA, Tatsuo MATODA