Patents by Inventor Toyohisa UDA

Toyohisa UDA 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).

  • ALUMINA, ALUMINA SLURRY, ALUMINA FILM, LAMINATE SEPARATOR, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF
    Publication number: 20220081309
    Abstract: Disclosed is alumina having a water desorption index H (=(Vd0.5-Va0.5)÷Va0.9) of 0.15 or less in a water adsorption/desorption isotherm at 25° C., where Vd0.5 represents a water adsorption amount [mg/g] per 1 g of alumina in the desorption isotherm at a relative water vapor pressure of 0.5, Va0.5 represents a water adsorption amount [mg/g] per 1 g of alumina in the adsorption isotherm at a relative water vapor pressure of 0.5, and Va0.9 represents a water adsorption amount [mg/g] per 1 g of alumina in the adsorption isotherm at a relative water vapor pressure of 0.9.
    Type: Application
    Filed: December 24, 2019
    Publication date: March 17, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hirotaka OZAKI, Toyohisa UDA, Hiroyuki ANDO