Patents by Inventor Rina Hatemata

Rina Hatemata 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).

  • ALUMINUM MAGNESIUM TITANATE-ALUMINA COMPOSITE CERAMICS
    Publication number: 20110097582
    Abstract: An object of the invention is to provide a ceramic having a small thermal expansion coefficient and having more excellent mechanical strength. The invention is an aluminum magnesium titanate-alumina composite ceramic containing aluminum magnesium titanate and alumina and, the elemental composition ratio of Al, Mg and Ti therein is represented by a compositional formula (1): Al2(1?x)MgxTi(1+x)O5+aAl2O3 ??(1), wherein coefficient x satisfies 0<x?1, and coefficient a satisfies 0.4x?a<2x.
    Type: Application
    Filed: January 20, 2009
    Publication date: April 28, 2011
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Tetsuro Tohma, Satoko Iwato, Rina Hatemata