Patents by Inventor Sachiko Yoshino

Sachiko Yoshino 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).

  • Solid electrolytic capacitor and method of manufacturing the same
    Patent number: 7233485
    Abstract: A solid electrolytic capacitor includes: a capacitor element including an anode made of a valve metal having an oxide film formed on a surface thereof, a cathode provided with a valve metal, and a separator provided between the anode and the cathode, the anode and the cathode and the separator being wound around together; a solid electrolyte interposed between the anode and the cathode; an anode lead tab having an oxide film formed on a surface thereof and being fixed to the anode; and a cathode lead tab fixed to the cathode. The oxide film of the anode lead tab has a portion the thickness of which is equal to or greater than 75% but less than 100% of the thickness of the oxide film of the anode.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: June 19, 2007
    Assignees: Sanyo Electric Co., Ltd., Saga Sanyo Industries Co., Ltd.
    Inventors: Kazumasa Fujimoto, Sachiko Yoshino
  • Solid electrolytic capacitor and method of manufacturing the same
    Publication number: 20060179625
    Abstract: A solid electrolytic capacitor includes: a capacitor element comprising an anode made of a valve metal having an oxide film formed on a surface thereof, a cathode provided with a valve metal, and a separator provided between the anode and the cathode, the anode and the cathode and the separator being wound around together; a solid electrolyte interposed between the anode and the cathode; an anode lead tab having an oxide film formed on a surface thereof and being fixed to the anode; and a cathode lead tab fixed to the cathode. The oxide film of the anode lead tab has a portion the thickness of which is equal to or greater than 75% but less than 100% of the thickness of the oxide film of the anode.
    Type: Application
    Filed: February 10, 2006
    Publication date: August 17, 2006
    Applicants: SANYO ELECTRIC CO., LTD., SAGA SANYO Industries CO., Ltd.
    Inventors: Kazumasa Fujimoto, Sachiko Yoshino