Patents by Inventor Kelvin Louie Leung

Kelvin Louie Leung 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).

  • Mobile device light meter attachment
    Patent number: 9291880
    Abstract: Incident light filter or cap assembly adapted to be attached to a mobile device equipped with a camera and software to measure light levels.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: March 22, 2016
    Assignee: Spark Facter Design
    Inventors: Abraham Farag, Ricardo Penate, Vijay Koneru, Shane Lewis Washburn, James Flynn, Kelvin Louie Leung
  • Mobile Device Light Meter Attachment
    Publication number: 20140211085
    Abstract: Incident light filter or cap assembly adapted to be attached to a mobile device equipped with a camera and software to measure light levels.
    Type: Application
    Filed: January 30, 2014
    Publication date: July 31, 2014
    Inventors: Abraham Farag, Ricardo Penate, Vijay Koneru, Shane Lewis Washburn, James Flynn, Kelvin Louie Leung