Patents by Inventor Zhuoyan Sun

Zhuoyan Sun 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).

  • Semiconductor device and lead frame thereof
    Patent number: 8575744
    Abstract: A semiconductor device includes a semiconductor element and a lead frame. The lead frame includes a first lead, a second lead, a third lead, a fourth lead, and a fifth lead placed parallel to one another. The first and second leads are placed adjoining to each other and constitute a first lead group, and the third and fourth leads are placed adjoining to each other and constitute a second lead group. The spacing between the first lead group and the fifth lead, the spacing between the second lead group and the fifth lead, and the spacing between the first lead group and the second lead group are larger than the spacing between the first lead and the second lead and the spacing between the third lead and the fourth lead.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: November 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Seiji Fujiwara, Zhuoyan Sun, Atsushi Watanabe
  • SEMICONDUCTOR DEVICE AND LEAD FRAME THEREOF
    Publication number: 20110121440
    Abstract: A semiconductor device includes a semiconductor element and a lead frame. The lead frame includes a first lead, a second lead, a third lead, a fourth lead, and a fifth lead placed parallel to one another. The first and second leads are placed adjoining to each other and constitute a first lead group, and the third and fourth leads are placed adjoining to each other and constitute a second lead group. The spacing between the first lead group and the fifth lead, the spacing between the second lead group and the fifth lead, and the spacing between the first lead group and the second lead group are larger than the spacing between the first lead and the second lead and the spacing between the third lead and the fourth lead.
    Type: Application
    Filed: November 3, 2010
    Publication date: May 26, 2011
    Inventors: Seiji FUJIWARA, Zhuoyan Sun, Atsushi Watanabe