Patents by Inventor Shogo Nakaoka

Shogo Nakaoka 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).

  • Process for producing lithium-containing composite oxide
    Patent number: 8551658
    Abstract: To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9?p?1.2, 0.95?x?2.00, 0<y?0.05, 1.9?z?4.2 and 0?a?0.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: October 8, 2013
    Assignee: AGC Seimi Chemical Co., Ltd.
    Inventors: Ryoji Yamada, Koji Tatsumi, Shogo Nakaoka, Kenji Ito, Kazuya Hiratsuka
  • PROCESS FOR PRODUCING LITHIUM-CONTAINING COMPOSITE OXIDE
    Publication number: 20070264573
    Abstract: To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9?p?1.2, 0.95?x?2.00, 0?y?0.05, 1.9?z?4.2 and 0?a?0.
    Type: Application
    Filed: July 25, 2007
    Publication date: November 15, 2007
    Applicant: AGC Seimi Chemical Co., Ltd.
    Inventors: Ryoji Yamada, Koji Tatsumi, Shogo Nakaoka, Kenji Ito, Kazuya Hiratsuka