Patents by Inventor Brian C. Hagenbuch

Brian C. Hagenbuch 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).

  • Method of testing coverage of meta data access patterns within a distributed relational system
    Patent number: 9734186
    Abstract: A first and a second catalog access statement are obtained. For the first catalog access statement, a first lock schedule which includes a catalog resource being locked and a lock strength is obtained. For the second catalog access statement, a second lock schedule which includes a catalog resource being locked and a lock strength are obtained. A potential deadlock between the first and the second catalog access statement is identified, including by comparing the first lock schedule and the second lock schedule.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: August 15, 2017
    Assignee: EMC IP Holding Co., LLC
    Inventors: Jeffrey Ira Cohen, Brian C. Hagenbuch, Kurt Harriman
  • Unified catalog service
    Patent number: 9286303
    Abstract: A catalog of one or more metadata objects associated with metadata is stored in a persistent manner. The data objects are stored at least in part on a user node included in a data management system. A request associated with accessing a metadata object included in the persistent catalog is received. In response to receiving the request, access to the requested metadata object is provided.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: March 15, 2016
    Assignee: EMC Corporation
    Inventors: Jeffrey Ira Cohen, King Lun Choi, Brian C. Hagenbuch, Kurt Harriman, Charles F. McDevitt, Gavin John Sherry, Caleb E. Welton