Patents by Inventor Kichi Kikuchi

Kichi Kikuchi 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: 7804390
    Abstract: A transformer for use in a power supply has a primary winding, a secondary winding, a bobbin on which the primary and secondary windings are separately wound, and a core subassembly mounted in the bobbin. An opening is formed in the cylindrical portion of the bobbin, and an inside core in the magnetic core insertion hole and an outside core located outside the hole are adhesively bonded together via a spacer through the opening in the cylindrical portion.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: September 28, 2010
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Akifumi Kosugi, Kichi Kikuchi, Yasuo Hosaka
  • Publication number: 20090108979
    Abstract: A transformer for use in a power supply has a primary winding, a secondary winding, a bobbin on which the primary and secondary windings are separately wound, and a core subassembly mounted in the bobbin. An opening is formed in the cylindrical portion of the bobbin, and an inside core in the magnetic core insertion hole and an outside core located outside the hole are adhesively bonded together via a spacer through the opening in the cylindrical portion.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 30, 2009
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Akifumi KOSUGI, Kichi KIKUCHI, Yasuo HOSAKA