Patents by Inventor Hisato SADAMASU

Hisato SADAMASU 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: 9716272
    Abstract: A positive electrode composition comprises a positive electrode active material composed of a lithium transition metal complex oxide represented by the general formula Li1+xNiyCozM1-y-z-wLwO2 (wherein 0?x?0.50, 0.30?y?1.0, 0<z?0.5, 0?w?0.1, 0.30<y+z+w?1, M represents at least one kind selected from Mn and Al, and L represents at least one kind of an element selected from the group consisting of Zr, Ti, Mg and W), and additive particles composed of acidic oxide particles.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: July 25, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Kenta Kawai, Kengo Ooishi, Hisato Sadamasu, Chika Kinouchi, Yasuhiro Yoshida
  • Publication number: 20110315918
    Abstract: A positive electrode composition that has improved output power characteristics and low costs, and is also easily handled upon production of a positive electrode, and exhibits an improved yield is provided. A positive electrode composition comprising a positive electrode active material composed of a lithium transition metal complex oxide represented by the general formula Li1+xNiyCozM1?y?z?wLwO2 (wherein 0?x?0.50, 0.30?y?1.0, 0<z?0.5, 0?w?0.1, 0.30<y+z+w?1, M represents at least one kind selected from Mn and Al, and L represents at least one kind of an element selected from the group consisting of Zr, Ti, Mg and W), and additive particles composed of acidic oxide particles is used for positive electrode.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 29, 2011
    Inventors: Kenta KAWAI, Kengo OOISHI, Hisato SADAMASU, Chika KINOUCHI, Yasuhiro YOSHIDA