Patents by Inventor Alec HWA

Alec HWA 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).

  • WIRELESS DECORATIVE LIGHTING FOR ARTIFICIAL TREES
    Publication number: 20160330823
    Abstract: A wirelessly-powered lighted tree system that includes: an artificial tree; a wireless power transmission system, including: a power conditioning portion configured to receive an AC power from an external source, and convert the AC power to a DC power, a microwave-frequency signal generation portion configured to receive the DC power from the power conditioning circuit and generate a microwave-frequency signal, a processor, an antenna configured to receive the generated microwave-frequency signal and to transmit a wireless microwave-frequency signal based on the received microwave-frequency signal from the microwave-frequency generation portion; and a wirelessly-powered lighting system configured to receive the transmitted wireless microwave-frequency signal, the lighting system including an antenna receiving the transmitted wireless microwave-frequency signal, a power conversion portion for converting the wireless microwave-frequency signal into a DC power signal, and a plurality of lighting elements coupled
    Type: Application
    Filed: May 9, 2016
    Publication date: November 10, 2016
    Applicant: Willis Electric Co., Ltd.
    Inventors: Alec HWA, Johnny CHEN, Jiang Hai NIE
  • Laser light projector
    Patent number: D849981
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: May 28, 2019
    Assignee: Willis Electric Co., Ltd.
    Inventors: Alec Hwa, Robert Parsons
  • Laser light projector
    Patent number: D851312
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: June 11, 2019
    Assignee: Willis Electric Co., Ltd.
    Inventors: Alec Hwa, Robert Parsons