Patents by Inventor Karthikeyan Ayyadurai

Karthikeyan Ayyadurai 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).

  • Patent number: 8051424
    Abstract: A computer system receives a data collection and creates an administration table. A main process locks the data collection against unauthorized access using an association, in a lock table, between it and a lock identifier required for data collection access by processes. The main process divides the data collection into subgroups. The lock identifier and each subgroup are forwarded to one of the processes; the subgroups being parallel processed by recipient processes that access and update the data collection using the lock identifier, and set the lock identifier and update the administration table regarding the processing done by the recipient process, the administration table being common to all of the subgroups. After the recipient processes, the data collection is unlocked by the main process by removing the association between the data collection and the lock identifier in the lock table.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: November 1, 2011
    Assignee: SAP AG
    Inventors: Joerg Steinmann, Karthikeyan Ayyadurai, Himanshu Kacker, Mohan Marar, Jayanta M. Boruah, Wolfgang Gentes