Patents by Inventor Chia Chieh THUM

Chia Chieh THUM 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).

  • Anti-tamper system based on dual random bits generators for integrated circuits
    Patent number: 9323957
    Abstract: An apparatus includes a mesh block, a first number generator configured to generate a first number, a second number generator configured to generate a second number, and a comparator block configured to compare the first number with the second number and generate an output signal from the mesh block. The output signal indicates an occurrence of an unauthorized activity on the mesh block.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: April 26, 2016
    Assignee: MARVELL WORLD TRADE LTD.
    Inventors: Raj Kumar A/L Krishnasamy, Chia Chieh Thum, Moo Kit Lee
  • ANTI-TAMPER SYSTEM BASED ON DUAL RANDOM BITS GENERATORS FOR INTEGRATED CIRCUITS
    Publication number: 20140250541
    Abstract: An apparatus includes a mesh block, a first number generator configured to generate a first number, a second number generator configured to generate a second number, and a comparator block configured to compare the first number with the second number and generate an output signal from the mesh block. The output signal indicates an occurrence of an unauthorized activity on the mesh block.
    Type: Application
    Filed: February 21, 2014
    Publication date: September 4, 2014
    Applicant: Marvell World Trade Ltd.
    Inventors: Raj Kumar A/L KRISHNASAMY, Chia Chieh THUM, Moo Kit LEE