Patents by Inventor Zhonghua LAI

Zhonghua LAI 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 And Server For Searching For Nearby User In Social Networking Services
    Publication number: 20140258281
    Abstract: When location information and a user Identification (ID) is received from a client terminal device of a user X, a grid Y, to which the location information belongs, is determined. The user ID and the location information of the user X is stored in a list of the grid Y. The grid Y is in a grid array obtained by dividing a surface of the earth into the grids and areas of the grids are the same. Users in the grid Y and other grids are searched. The grid Y and the other grids form an N-grid and the grid Y is a center of the N-grid. The users are ranked in an ascending order of distances between the users and the user X. The ranked user IDs and distances between the users and the user X are sent to the client terminal device of the user X.
    Type: Application
    Filed: May 14, 2014
    Publication date: September 11, 2014
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Junchao CHEN, Zhonghua LAI, Haochuan CUI, Yu WU, Cuilong MA, Jingqiong FENG, Tianqing HUANG, Wa YE, Xiangyao LIN, Xueqin LIN, Yuxuan ZHANG, Kunfeng RONG, Guo LING