Patents by Inventor Zheng Yi Wang

Zheng Yi Wang 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).

  • Thin film type common mode noise filter and fabrication method of the same
    Patent number: 7821368
    Abstract: A thin film type common mode noise filter and its fabrication method are disclosed. There are several electric insulation layers, coil lead layers and main coil layers are formed on an insulation substrate by means of processes of Lithography, Physical Vapor Deposition, etching or other chemical process. After that the structure is covered with an electric insulation gluing layer and a magnetic material layer so as to form a thin film type common mode noise filter with a low production cost but an improved filtering characteristic of the common mode noise.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: October 26, 2010
    Assignee: Inpaq Technology Co., Ltd.
    Inventors: Ming Yi Yang, Zheng Yi Wang, Ming Liang Hsieh, Sheng Fu Su