Patents by Inventor Wallace Chang

Wallace Chang 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).

  • Sample processing system
    Patent number: 9551635
    Abstract: In accordance with an embodiment of a system for handling and processing chemical and/or biological samples, a MicroChamber comprises a substrate, a reservoir formed on the substrate for receiving a chemical and/or biological sample, and an encoder such as a barcode or other suitable device. The encoder encodes information describing at least one characteristic of the substrate and/or reservoir.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: January 24, 2017
    Assignee: Biogenex Laboratories Inc.
    Inventors: Krishan L. Kalra, Wallace Chang, Ravishankar Melkote
  • Sample Processing System
    Publication number: 20100209298
    Abstract: In accordance with an embodiment of a system for handling and processing chemical and/or biological samples, a MicroChamber comprises a substrate, a reservoir formed on the substrate for receiving a chemical and/or biological sample, and an encoder such as a barcode or other suitable device. The encoder encodes information describing at least one characteristic of the substrate and/or reservoir.
    Type: Application
    Filed: August 17, 2009
    Publication date: August 19, 2010
    Inventors: Krishan L. Kalra, Wallace Chang, Ravishankar Melkote, Shahzi Iqbal
  • Sample processing system
    Publication number: 20060153736
    Abstract: In accordance with an embodiment of a system for handling and processing chemical and/or biological samples, a MicroChamber comprises a substrate, a reservoir formed on the substrate for receiving a chemical and/or biological sample, and an encoder such as a barcode or other suitable device. The encoder encodes information describing at least one characteristic of the substrate and/or reservoir.
    Type: Application
    Filed: March 9, 2006
    Publication date: July 13, 2006
    Inventors: Krishan Kalra, Wallace Chang, Ravishankar Melkote, Shahzi Iqbal