Patents by Inventor Christopher Yoshito Emura

Christopher Yoshito Emura 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).

  • Verifying integrity of file system data structures
    Patent number: 7774320
    Abstract: Systems, methods, computer program products, and means are provided for verifying the integrity of data structures. A system includes a first data structure, a second data structure, and a fingerprint block. The first data structure has a first set of unique identifiers. The second data structure has a second set of unique identifiers. The fingerprint block verifies correspondence between the first and second data structures by performing a mathematical function on the first and second sets of unique identifiers to produce a result indicative of correspondence.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: August 10, 2010
    Assignee: Apple Inc.
    Inventors: Mark Steven Day, Wenguang Wang, Puja Dilip Gupta, Christopher Yoshito Emura