Patents by Inventor Tatsuo Tokumaru

Tatsuo Tokumaru 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 electrolyte capacitor
    Patent number: 4231075
    Abstract: A method of manufacturing a solid electrolyte capacitor, an anode terminal of which is directly attached to a portion of an anode body of porous valve-metal characteristically includes the steps of selectively exposing a predetermined portion of the anode body, and providing the anode terminal to the predetermined portion of the anode body, where the porous valve metal and oxide thereof co-exist, by using conductive material other than the valve-metal of the anode body.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: October 28, 1980
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Koichi Morimoto, Tatsuo Tokumaru
  • Method of manufacturing a solid electrolyte capacitor
    Patent number: 4097985
    Abstract: A method of manufacturing a solid electrolyte capacitor, an anode terminal of which is directly attached to a portion of an anode body of porous valve-metal characteristically includes the steps of selectively exposing a predetermined portion of the anode body, and providing the anode terminal to the predetermined portion of the anode body, where the porous valve metal and oxide thereof co-exist, by using conductive material other than the valve-metal of the anode body.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: July 4, 1978
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Koichi Morimoto, Tatsuo Tokumaru