Patents by Inventor Hirouki Akashi

Hirouki Akashi 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: 7659035
    Abstract: A nonaqueous electrolyte secondary battery is provided. The nonaqueous electrolyte secondary battery includes a cathode; an anode containing at least an anode active material and a conductive agent; and a nonaqueous electrolyte, wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 ?m or more to 5.0 ?m or less.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: February 9, 2010
    Assignee: Sony Corporation
    Inventors: Takeru Yamamoto, Takehiko Tanaka, Tomitaro Hara, Hirouki Akashi
  • Publication number: 20070298322
    Abstract: A nonaqueous electrolyte secondary battery is provided. The nonaqueous electrolyte secondary battery includes a cathode; an anode containing at least an anode active material and a conductive agent; and a nonaqueous electrolyte, wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 ?m or more to 5.0 ?m or less.
    Type: Application
    Filed: March 30, 2007
    Publication date: December 27, 2007
    Applicant: SONY CORPORATION
    Inventors: Takeru Yamamoto, Takehiko Tanaka, Tomitaro Hara, Hirouki Akashi