Patents by Inventor Shiro Urabe

Shiro Urabe 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).

  • Converter transformer
    Patent number: 6064291
    Abstract: The present invention provides a small, light-weight converter transformer of high efficiency which has an excellent noise characteristic, a high coupling and good output voltage characteristic, low temperature-rise and a high reliability, for use in a switching power supply to be built in an electronic appliance.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: May 16, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shiro Urabe, Wataru Tabata