Patents by Inventor Hidemi Yamada

Hidemi Yamada 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).

  • Electrolytic capacitor
    Patent number: 4740869
    Abstract: An electrolytic capacitor comprising a capacitor element and an electrolyte impregnated to the element, wherein the electrolyte contains a flurorocarboxylic acid or its salt as a solute dissolved in an organic solvent.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: April 26, 1988
    Assignees: Asahi Glass Company Ltd., Elna Company Ltd.
    Inventors: Takeshi Morimoto, Toshiya Matsubara, Yoshiki Hamatani, Naoto Iwano, Hideo Shimizu, Shigeo Komatsu, Hidemi Yamada
  • Electrolytic capacitor
    Patent number: 4689724
    Abstract: An electrolytic capacitor comprising a capacitor element and an electrolyte impregnated to the element, wherein the electrolyte contains a fluorocarboxylic acid or its salt as a solute dissolved in an organic solvent.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: August 25, 1987
    Assignees: Asahi Glass Company Ltd., Elna Company Ltd.
    Inventors: Takeshi Morimoto, Toshiya Matsubara, Yoshiki Hamatani, Naoto Iwano, Hideo Shimizu, Shigeo Komatsu, Hidemi Yamada