Patents by Inventor Kasai Masahiro

Kasai Masahiro 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).

  • Positive active material and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the positive electrode
    Patent number: 8703339
    Abstract: A positive electrode for a rechargeable lithium battery includes a first positive active material represented by LiaNibCocMdO2, and a second positive active material represented by LieNifCogMnhO2. M is selected from Al, B, Cr, Fe, Mg, Sr, and V, 0.95?a?1.1, 0.5?b?0.9, 0?c?0.3, 0?d?0.1, 0.95?e?1.1, 0.33?f?0.5, 0.15?g?0.33, and 0.3?h?0.35. A rechargeable lithium battery includes the positive electrode, a negative electrode and an electrolyte.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: April 22, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Chun-Mo Yang, Kasai Masahiro, Sung-Hoon Kim
  • POSITIVE ACTIVE MATERIAL AND POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE
    Publication number: 20100310934
    Abstract: A positive electrode for a rechargeable lithium battery includes a first positive active material represented by LiaNibCOcMdO2, and a second positive active material represented by LieNifCOgMnhO2. M is selected from Al, B, Cr, Fe, Mg, Sr, and V, 0.95?a?1.1, 0.5?b?0.9, 0?c?0.3, 0?d?0.1, 0.95?e?1.1, 0.33?f?0.5, 0.15?g?0.33, and 0.3?h?0.35. A rechargeable lithium battery includes the positive electrode, a negative electrode and an electrolyte.
    Type: Application
    Filed: December 7, 2009
    Publication date: December 9, 2010
    Inventors: Chun-Mo Yang, Kasai Masahiro, Sung-Hoon Kim