Patents by Inventor Ka Wai Hau

Ka Wai Hau 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).

  • Crypto-engine for cryptographic processing of data
    Patent number: 8458492
    Abstract: A crypto-engine for cryptographic processing has an arithmetic unit and an interface controller for managing communications between the arithmetic unit and a host processor. The arithmetic unit has a memory unit for storing and loading data and arithmetic units for performing arithmetic operations on the data. The memory and arithmetic units are controlled by an arithmetic controller.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: June 4, 2013
    Assignee: Intellectual Ventures Holding 57 LLC
    Inventors: Lee Ming Cheng, Ting On Ngan, Ka Wai Hau
  • Crypto-engine for cryptographic processing of data
    Publication number: 20100049945
    Abstract: A crypto-engine for cryptographic processing has an arithmetic unit and an interface controller for managing communications between the arithmetic unit and a host processor. The arithmetic unit has a memory unit for storing and loading data and arithmetic units for performing arithmetic operations on the data. The memory and arithmetic units are controlled by an arithmetic controller.
    Type: Application
    Filed: October 26, 2009
    Publication date: February 25, 2010
    Inventors: Lee Ming Cheng, Ting On Ngan, Ka Wai Hau
  • Crypto-engine for cryptographic processing of data
    Patent number: 7634666
    Abstract: A crypto-engine for cryptographic processing has an arithmetic unit and an interface controller for managing communications between the arithmetic unit and a host processor. The arithmetic unit has a memory unit for storing and loading data and arithmetic units for performing arithmetic operations on the data. The memory and arithmetic units are controlled by an arithmetic controller.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: December 15, 2009
    Assignee: Cityu Research Limited
    Inventors: Lee Ming Cheng, Ting On Ngan, Ka Wai Hau