Patents by Inventor Yoshinori Takamuka

Yoshinori Takamuka 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: 6665171
    Abstract: An electrochemical capacitor comprising a pair of oxidation-reduction active electrodes and an electrolyte solution or an ion-conductive solid electrolyte between the electrodes, wherein the electrodes contain a specific copolymer, thereby providing the electrochemical capacitor high in energy density and excellent in heat-resistance and charge/discharge cycle features.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: December 16, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshinori Takamuka, Hideki Shimamoto