Patents by Inventor Laszlo Dobai

Laszlo Dobai 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: 12125647
    Abstract: A method for manufacturing a polymer capacitor and a polymer capacitor are disclosed. In an embodiment a polymer capacitor includes an anode foil, a cathode foil and separator foils wound to a winding, wherein the anode foil is covered by a polymer, wherein one or more additives are distributed in the polymer, and wherein at least one of the additives has a boiling point below 130° C.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 22, 2024
    Assignee: TDK Electronics AG
    Inventor: Laszlo Dobai
  • Patent number: 11282650
    Abstract: A method for manufacturing a polymer capacitor and a polymer capacitor are disclosed. In an embodiment a method for manufacturing a polymer capacitor includes winding an anode foil, a cathode foil and separator foils to form a winding, impregnating the winding with a dispersion comprising a solvent and a polymer precursor and extracting the solvent from the winding by supercritical fluid extraction.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 22, 2022
    Assignee: TDK ELECTRONICS AG
    Inventor: Laszlo Dobai
  • Publication number: 20220076896
    Abstract: A method for manufacturing a polymer capacitor and a polymer capacitor are disclosed. In an embodiment a polymer capacitor includes an anode foil, a cathode foil and separator foils wound to a winding, wherein the anode foil is covered by a polymer, wherein one or more additives are distributed in the polymer, and wherein at least one of the additives has a boiling point below 130° C.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventor: Laszlo Dobai
  • Patent number: 11049662
    Abstract: An electrolytic capacitor is disclosed. In an embodiment an electrolytic capacitor includes an anode foil, a cathode foil, a working electrolyte arranged between the anode foil and the cathode foil, a polymer layer arranged on the anode foil, wherein the polymer layer comprises PEDOT:PSS and an intermediate electrolyte arranged between the polymer layer and the working electrolyte, wherein the intermediate electrolyte is different from the working electrolyte with respect to its composition.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 29, 2021
    Assignee: TDK ELECTRONICS AG
    Inventor: Laszlo Dobai
  • Publication number: 20200251286
    Abstract: A method for manufacturing a polymer capacitor and a polymer capacitor are disclosed. In an embodiment a method for manufacturing a polymer capacitor includes winding an anode foil, a cathode foil and separator foils to form a winding, impregnating the winding with a dispersion comprising a solvent and a polymer precursor and extracting the solvent from the winding by supercritical fluid extraction.
    Type: Application
    Filed: July 25, 2018
    Publication date: August 6, 2020
    Inventor: Laszlo Dobai
  • Publication number: 20200251287
    Abstract: An electrolytic capacitor is disclosed. In an embodiment an electrolytic capacitor includes an anode foil, a cathode foil, a working electrolyte arranged between the anode foil and the cathode foil, a polymer layer arranged on the anode foil, wherein the polymer layer comprises PEDOT:PSS and an intermediate electrolyte arranged between the polymer layer and the working electrolyte, wherein the intermediate electrolyte is different from the working electrolyte with respect to its composition.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 6, 2020
    Inventor: Laszlo Dobai