Patents by Inventor Fumishirou Tsuda

Fumishirou Tsuda 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: 7679482
    Abstract: An inductor includes a first magnetic substance core which has a middle leg, a first outer leg, a second outer leg, and a body portion interconnecting the middle leg, the first outer leg and the second outer leg, and a second magnetic substance core which is arranged to be opposed to the first magnetic substance core. A first conductor is arranged in a first space which is formed by the middle leg, the first outer leg, part of the body portion, and the second magnetic substance core. A second conductor is arranged in a second space which is formed by the middle leg, the second outer leg, part of the body portion, and the second magnetic substance core. The middle leg is formed with a region which is lower in height than the first outer leg, in the same direction as the longitudinal direction of the first outer leg.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: March 16, 2010
    Assignee: NEC Tokin Corporation
    Inventors: Seiichi Yamada, Okikuni Takahata, Hiroyuki Kamata, Fumishirou Tsuda, Masahiro Kondo
  • Publication number: 20080303624
    Abstract: An inductor includes a first magnetic substance core which has a middle leg, a first outer leg, a second outer leg, and a body portion interconnecting the middle leg, the first outer leg and the second outer leg, and a second magnetic substance core which is arranged to be opposed to the first magnetic substance core. A first conductor is arranged in a first space which is formed by the middle leg, the first outer leg, part of the body portion, and the second magnetic substance core. A second conductor is arranged in a second space which is formed by the middle leg, the second outer leg, part of the body portion, and the second magnetic substance core. The middle leg is formed with a region which is lower in height than the first outer leg, in the same direction as the longitudinal direction of the first outer leg.
    Type: Application
    Filed: June 5, 2008
    Publication date: December 11, 2008
    Applicant: NEC TOKIN Corporation
    Inventors: Seiichi YAMADA, Okikuni Takahata, Hiroyuki Kamata, Fumishirou Tsuda, Masahiro Kondo