Patents by Inventor Haruo Jinbo

Haruo Jinbo 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).

  • Method for etching an aluminum foil for an electrolytic capacitor
    Patent number: 5194127
    Abstract: A method for chemically etching an aluminum foil for an aluminum electrolytic capacitor, which comprises immersing the aluminum foil in an etching solution containing a polymer electrolyte having cation exchange groups dissociable in the etching solution.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: March 16, 1993
    Assignees: Asahi Glass Company Ltd., Elna Company Ltd.
    Inventors: Eiji Endoh, Haruo Jinbo
  • Method for etching an aluminum foil for an electrolytic capacitor
    Patent number: 5143587
    Abstract: A method for etching an aluminum foil for an aluminum electrolytic capacitor, which comprises immersing the aluminum foil in an etching solution containing a polymer electrolyte having cation exchange groups dissociable in the etching solution, and applying an electric current thereto.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: September 1, 1992
    Assignees: Asahi Glass Company Ltd., Elna Company Ltd.
    Inventors: Eiji Endoh, Haruo Jinbo