Patents by Inventor Masami Makidera

Masami Makidera 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).

  • ELECTRODE FOR ELECTROCHEMICAL ENERGY STORAGE DEVICE
    Publication number: 20100196759
    Abstract: The present invention relates to an electrode for an electrochemical energy storage device. The electrode comprises a nano-structured hollow carbonaceous material and the nano-structured hollow carbonaceous material preferably meets a requirement (A). (A) the nano-structured hollow carbonaceous material has a carbonaceous material portion and a hollow portion, and has such a structure that the hollow portion is covered with the carbonaceous material portion in a saclike shape, a part of the structure, or an aggregate of the structure.
    Type: Application
    Filed: July 14, 2008
    Publication date: August 5, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Nakane, Masami Makidera, taketsugu Yamamoto
  • POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND POSITIVE ELECTRODE ACTIVE MATERIAL
    Publication number: 20100055554
    Abstract: The present invention provides a powder for a positive electrode active material containing particles containing two or more elements selected from transition metal elements and in the cumulative particle size distribution on the basis of volume of the particles composing the powder, the particle diameter (D50) observed from the finer particle side at 50% accumulation is in the range of 0.1 ?m or larger and 10 ?m or smaller, and 95% by volume or more of the particles composing the powder exit in the range of 0.3 time or more and 3 times or less as large as D50.
    Type: Application
    Filed: November 20, 2007
    Publication date: March 4, 2010
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Masami Makidera, Akiyoshi Nemoto