Patents by Inventor Changzheng Jiang

Changzheng Jiang 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: 10317238
    Abstract: A method of operation of a navigation system includes: generating a geographic band with a control unit; generating a point of interest ranking based on a point of interest within the geographic band; calculating a point of interest score based on a band score, a diversity score, a popularity score, or a combination thereof; and updating the point of interest ranking based on the point of interest score for presenting on a device.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: June 11, 2019
    Assignee: Telenav, Inc.
    Inventors: Changzheng Jiang, Kumar Maddali, Maneesha Jain
  • Patent number: 9726511
    Abstract: A method of operation of a navigation system includes: determining candidate locations for the location query; determining a candidate associated location specific to each of the candidate locations; determining a waypoint destination from an instance of the candidate locations based on a selected instance of the candidate associated location specific to the instance of the candidate locations; and calculating a travel route including the waypoint destination and the selected instance of the candidate associated location for displaying on a device.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: August 8, 2017
    Assignee: Telenav, Inc.
    Inventors: Changzheng Jiang, Kumar Maddali, Maneesha Jain
  • Patent number: 9646106
    Abstract: A method of operation of a navigation system includes: generating activity logs including a plurality of a travel frequency to a point of interest; generating a search index including a plurality of an index type based on the activity logs with a control unit; generating a preliminary result based on searching the search index with the index type tailored to a search context; and generating a search result based on filtering the preliminary result including the travel frequency meeting or exceeding a travel threshold for displaying on a device.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 9, 2017
    Assignee: Telenav, Inc.
    Inventors: Jinghai Ren, Kumar Maddali, Changzheng Jiang
  • Publication number: 20160146623
    Abstract: A method of operation of a navigation system includes: generating activity logs including a plurality of a travel frequency to a point of interest; generating a search index including a plurality of an index type based on the activity logs with a control unit; generating a preliminary result based on searching the search index with the index type tailored to a search context; and generating a search result based on filtering the preliminary result including the travel frequency meeting or exceeding a travel threshold for displaying on a device.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 26, 2016
    Inventors: Jinghai Ren, Kumar Maddali, Changzheng Jiang
  • Patent number: 9146118
    Abstract: A navigation system includes: a control unit configured to generate a navigation route; generate a route-specific point set based on the navigation route prior to an interest point query for representing a portion of an interest point database; and a storage unit, coupled to the control unit, configured to store the route-specific point set.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: September 29, 2015
    Assignee: TELENAV INC.
    Inventors: Xiang Liu, Kumar Maddali, Changzheng Jiang
  • Publication number: 20150241225
    Abstract: A navigation system includes: a control unit configured to generate a navigation route; generate a route-specific point set based on the navigation route prior to an interest point query for representing a portion of an interest point database; and a storage unit, coupled to the control unit, configured to store the route-specific point set.
    Type: Application
    Filed: March 31, 2014
    Publication date: August 27, 2015
    Applicant: Telenav, Inc.
    Inventors: Xiang Liu, Kumar Maddali, Changzheng Jiang
  • Publication number: 20150192419
    Abstract: A method of operation of a navigation system includes: generating a geographic band with a control unit; generating a point of interest ranking based on a point of interest within the geographic band; calculating a point of interest score based on a band score, a diversity score, a popularity score, or a combination thereof; and updating the point of interest ranking based on the point of interest score for presenting on a device.
    Type: Application
    Filed: January 9, 2014
    Publication date: July 9, 2015
    Applicant: Telenav, Inc.
    Inventors: Changzheng Jiang, Kumar Maddali, Maneesha Jain
  • Publication number: 20150134237
    Abstract: A method of operation of a navigation system includes: determining candidate locations for the location query; determining a candidate associated location specific to each of the candidate locations; determining a waypoint destination from an instance of the candidate locations based on a selected instance of the candidate associated location specific to the instance of the candidate locations; and calculating a travel route including the waypoint destination and the selected instance of the candidate associated location for displaying on a device.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 14, 2015
    Inventors: Changzheng Jiang, Kumar Maddali, Maneesha Jain