Patents by Inventor Yoshihisa Kawasaki

Yoshihisa Kawasaki 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).

  • Publication number: 20240161985
    Abstract: An electrolytic capacitor includes an anode body, a dielectric layer that covers the anode body, a first solid electrolyte layer that covers the dielectric layer, and a second solid electrolyte layer that covers the first solid electrolyte layer. The first solid electrolyte layer contains a first conductive polymer that includes polypyrrole as a basic skeleton. The second solid electrolyte layer contains a second conductive polymer that includes polythiophene as a basic skeleton. The second solid electrolyte layer has a thickness of 1 ?m or more.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 16, 2024
    Inventors: Shinji KONDOU, Kazuya YAMASAKI, Takashi KAWASAKI, Koji YOKOYAMA, Hitoshi ISHIMOTO, Yoshihisa NAGASAKI, Yuji MIYACHI
  • Patent number: 6624596
    Abstract: The discharge lamp lighting device according to the present invention is provided with a high-voltage generating transformer which comprises a core, a secondary winding part disposed in a plurality of sections on the outside of the core, and a primary winding part disposed on the outside of the secondary winding part and in which a high-voltage side terminal of said secondary winding part is connected to a terminal of the core and a low-voltage side terminal of the secondary winding part is connected to a terminal of the primary winding part.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: September 23, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takasi Ohsawa, Yoshihisa Kawasaki