Patents by Inventor Tracy Li Cheng

Tracy Li Cheng 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).

  • Device for controlling a storage device
    Patent number: 9380658
    Abstract: A device for controlling the amount of energy stored in a storage device comprises a control unit that is adapted to adjust the power received via an input of the device, based on the amount of energy currently stored in the storage device, and that is further adapted to output the adjusted power via an output of the device to the storage device.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: June 28, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Hongjun She, Yanmeng Sun, Tracy Li Cheng
  • DEVICE FOR CONTROLLING A STORAGE DEVICE
    Publication number: 20150305101
    Abstract: A device for controlling the amount of energy stored in a storage device comprises a control unit that is adapted to adjust the power received via an input of the device, based on the amount of energy currently stored in the storage device, and that is further adapted to output the adjusted power via an output of the device to the storage device.
    Type: Application
    Filed: December 11, 2012
    Publication date: October 22, 2015
    Inventors: Hongjun SHE, Yanmeng SUN, TRACY LI CHENG
  • Solid state lighting spot
    Patent number: D698052
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: January 21, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Wesley Xiaowei Li, Tracy Li Cheng, Angel Qi Lin