Patents by Inventor Yongchang Ma

Yongchang Ma 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: D659663
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: May 15, 2012
    Assignee: Hisense Electric Co., Ltd.
    Inventors: Bin Xu, Yongchang Ma
  • Patent number: D751519
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: March 15, 2016
    Assignees: Hisense Electric Co., Ltd., HISENSE USA CORPORATION
    Inventor: Yongchang Ma