Patents by Inventor Xiaojuan Niu

Xiaojuan Niu 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).

  • Cerium doped barium titanate single crystal, the process therefor and photorefractive device thereby
    Patent number: 5541764
    Abstract: The present invention relates to a doped barium titanate single crystal containing barium titanate as substrate and 5-250 ppm Ce, the process therefor and photorefractive devices made from the cerium doped barium titanate single crystal.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: July 30, 1996
    Assignee: Chinese Academy of Sciences Institute of Physics
    Inventors: Yong Zhu, Mengjun Hui, Xing Wu, Changxi Yang, Changqing Wang, Hongbin Liu, Xiaojuan Niu, Yingping Chen, Jinfeng Zhang, Tang Zhou