Patents by Inventor Eric J. Chang

Eric J. Chang 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: 8326630
    Abstract: A software and/or hardware facility for inferring user context and delivering advertisements, such as coupons, using natural language and/or sentiment analysis is disclosed. The facility may infer context information based on a user's emotional state, attitude, needs, or intent from the user's interaction with or through a mobile device. The facility may then determine whether it is appropriate to deliver an advertisement to the user and select an advertisement for delivery. The facility may also determine an appropriate expiration time and/or discount amount for the advertisement.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: December 4, 2012
    Assignee: Microsoft Corporation
    Inventors: Raman Chandrasekar, Tian Bai, Eric J. Chang, Michael Tsang
  • Publication number: 20100042403
    Abstract: A software and/or hardware facility for inferring user context and delivering advertisements, such as coupons, using natural language and/or sentiment analysis is disclosed. The facility may infer context information based on a user's emotional state, attitude, needs, or intent from the user's interaction with or through a mobile device. The facility may then determine whether it is appropriate to deliver an advertisement to the user and select an advertisement for delivery. The facility may also determine an appropriate expiration time and/or discount amount for the advertisement.
    Type: Application
    Filed: August 18, 2008
    Publication date: February 18, 2010
    Applicant: Microsoft Corporation
    Inventors: Raman Chandrasekar, Tian Bai, Eric J. Chang, Michael Tsang