Patents by Inventor Ishida Sumihito

Ishida Sumihito 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).

  • Negative electrode composition for rechargeable lithium battery, negative electrode comprising same and rechargeable lithium battery comprising same
    Patent number: 9508982
    Abstract: A negative electrode composition for a rechargeable lithium battery. The negative electrode includes a negative active material and crystalline carbon conductive material, wherein the negative active material includes soft carbon, and the crystalline carbon conductive material includes graphite having an average particle diameter (D90) of about 1 micrometer to about 20 micrometers.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 29, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Kee Kim, Jeong-Woo Han, Sun-il Park, Ishida Sumihito
  • NEGATIVE ELECTRODE COMPOSTION FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE COMPRISING SAME AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME
    Publication number: 20130288118
    Abstract: A negative electrode composition for a rechargeable lithium battery. The negative electrode includes a negative active material and crystalline carbon conductive material, wherein the negative active material includes soft carbon, and the crystalline carbon conductive material includes graphite having an average particle diameter (D90) of about 1 micrometer to about 20 micrometers.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 31, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Young-Kee Kim, Jeong-Woo Han, Sun-il Park, Ishida Sumihito