Patents by Inventor Andrew Z. Chang

Andrew Z. 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).

  • COHERENT MEMORY SYSTEM
    Publication number: 20220358042
    Abstract: A coherent memory system. In some embodiments, the coherent memory system includes a first memory device. The first memory device may include a cache coherent controller; a volatile memory controller; a volatile memory; a nonvolatile memory controller; and a nonvolatile memory. The first memory device may be configured to receive a quality of service requirement and to selectively enable a first feature in response to the quality of service requirement.
    Type: Application
    Filed: July 9, 2021
    Publication date: November 10, 2022
    Inventors: Krishna T. MALLADI, Andrew Z. CHANG, Ehsan NAJAFABADI
  • Backplane Interface Adapter with Error Control and Redundant Fabric
    Publication number: 20090287952
    Abstract: A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The error control may be provided by an administrative module that includes a level monitor, a stripe synchronization error detector, a flow controller, and a control character presence tracker. The redundant fabric transceiver of the backplane interface adapter improves the adapter's ability to properly and consistently receive narrow input cells carrying packets of data and output wide striped cells to a switching fabric.
    Type: Application
    Filed: March 9, 2009
    Publication date: November 19, 2009
    Applicant: Foundry Networks, Inc.
    Inventors: Ronak Patel, Ming G. Wong, Yu-mei Lin, Andrew Z. Chang, Yuen Fai A. Wong