Patents Examined by Stephan Kalafut
  • Nonaqueous electrolyte secondary battery
    Patent number: 6495291
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery, comprising a nonaqueous electrolyte, a positive electrode, and a negative electrode containing a negative electrode active material, wherein the negative electrode active material contains a composite material having a microstructure containing a carbon-containing phase and a crystal phase having an average size falling within a range of between 0.01 &mgr;m and 10 &mgr;m.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: December 17, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuoki Kohno, Norio Takami, Hiroki Inagaki, Tomokazu Morita, Shirou Takeno
  • Power source containing rechargeable batteries
    Patent number: 6410184
    Abstract: The power source holds a plurality of parallel oriented power modules in a holder-case. The holder-case is provided with cover-casings on both sides and intermediate-casings between them. Holder ribs project from the insides of cover-casings and from both sides of intermediate-casings for arranging power modules in a plurality of rows and retaining them in fixed positions. Cover-casings on both sides and intermediate-casings are joined to sandwich and hold the plurality of rows of power modules in fixed positions via the holder ribs.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: June 25, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Tatsuhito Horiuchi, Yoshiharu Takasaki