Patents by Inventor Namoru Tsuruya

Namoru Tsuruya 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: 20100019743
    Abstract: The present invention provides a DC-DC converter including a first series circuit connected to both ends of a first switch and formed of a winding of a first transformer, a first reactor, a first diode, and a smoothing capacitor, a second diode connected to a connection point of a primary winding of the first transformer, the winding of the first transformer and the first switch, and to one end of the smoothing capacitor, a second series circuit connected to both ends of a second switch and formed of a winding of a second transformer, a second reactor, a third diode, and the smoothing capacitor, a fourth diode connected to a connection point of a primary winding of the second transformer, the winding of the second transformer and the second switch, and to the one end of the smoothing capacitor, a third reactor connected to both ends of a series circuit of a secondary winding of the first transformer and a secondary winding of the second transformer, and a control circuit which alternately turns on the first s
    Type: Application
    Filed: July 24, 2008
    Publication date: January 28, 2010
    Applicants: Sanken Electric Co., Ltd., Shimane University
    Inventors: Hideki Asuke, Hideharu Takano, Namoru Tsuruya, Masashi Ochiai, Masayoshi Yamamoto, Takahiro Kawashima, Shigeyuki Funabiki