Patents by Inventor Erwin Sing Tam

Erwin Sing Tam 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).

  • Distributed publish/subscribe system
    Patent number: 8489674
    Abstract: In one embodiment, a first one of a plurality of message processors receives a request with respect to a topic, and determines whether the first message processor itself is currently responsible for the topic. If so, then the first message processor services the request. If not, then the first message processor determines whether any of the other ones of the message processors is currently responsible for the topic. If so, then the request is redirected to another message processor to be serviced. If not, then the first message processor selects one of the message processors to be responsible for the topic and to service the request.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: July 16, 2013
    Assignee: Yahoo! Inc.
    Inventors: Utkarsh Hriday Srivastava, Benjamin Clay Reed, Yang Zhang, Erwin Sing Tam, Brian Frank Cooper
  • DISTRIBUTED PUBLISH/SUBSCRIBE SYSTEM
    Publication number: 20110225229
    Abstract: In one embodiment, a first one of a plurality of message processors receives a request with respect to a topic, and determines whether the first message processor itself is currently responsible for the topic. If so, then the first message processor services the request. If not, then the first message processor determines whether any of the other ones of the message processors is currently responsible for the topic. If so, then the request is redirected to another message processor to be serviced. If not, then the first message processor selects one of the message processors to be responsible for the topic and to service the request.
    Type: Application
    Filed: March 11, 2010
    Publication date: September 15, 2011
    Applicant: YAHOO! INC.
    Inventors: Utkarsh Hriday Srivastava, Benjamin Clay Reed, Yang Zhang, Erwin Sing Tam, Brian Frank Cooper