Patents by Inventor Tomokazu NAKASIMA

Tomokazu NAKASIMA 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 and method of manufacturing the same
    Patent number: 9190215
    Abstract: There is provided an electrolytic capacitor which includes a capacitance portion that includes an anode and a cathode foils wound around, a separator being provided between the foils, a first conductor bar connected to the anode foil, a second conductor bar to the cathode foil, a casing that houses the capacitance portion, the first conductor bar, and the second conductor bar and is provided with an opening, a sealing material fitted to the opening, the sealing material including a first and a second holes, a first lead welded to the first conductor bar within the first hole, a second lead to the second conductor bar the second holed, a first insulating filler filled between the first hole and the first lead and filler being formed in a porous state, and a second insulating filler filled between the second hole and the second lead and being formed in a porous state.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: November 17, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Tomokazu Nakasima, Masayuki Itoh
  • ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20140085775
    Abstract: There is provided an electrolytic capacitor which includes a capacitance portion that includes an anode and a cathode foils wound around, a separator being provided between the foils, a first conductor bar connected to the anode foil, a second conductor bar to the cathode foil, a casing that houses the capacitance portion, the first conductor bar, and the second conductor bar and is provided with an opening, a sealing material fitted to the opening, the sealing material including a first and a second holes, a first lead welded to the first conductor bar within the first hole, a second lead to the second conductor bar the second holed, a first insulating filler filled between the first hole and the first lead and filler being formed in a porous state, and a second insulating filler filled between the second hole and the second lead and being formed in a porous state.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 27, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Tomokazu NAKASIMA, Masayuki ITOH