Patents by Inventor Kejun Sun

Kejun Sun 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).

  • OXASPIRO SUBSTITUTED PYRROLOPYRAZOLE DERIVATIVE, INTERMEDIATE THEREOF, AND PREPARATION METHOD THEREFOR
    Publication number: 20240109895
    Abstract: An oxaspiro substituted pyrrolopyrazole derivative, an intermediate thereof, and a preparation method therefor.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 4, 2024
    Applicants: SHANGHAI HAIYAN PHARMACEUTICAL TECHNOLOGY CO., LTD., YANGTZE RIVER PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Zhenya ZENG, Chao KAN, Qingfu GAO, Yixiao FENG, Bo WU, Xingsong ZHANG, Youhong MA, Kejun SUN
  • Mobile terminal, master data communication device and mobile terminal charging system and method
    Patent number: 9899854
    Abstract: A mobile terminal, a master data communication device and a mobile terminal charging system and method are provided. The method includes that: a mobile terminal determines whether or not a power supply device is a master data communication device and, if so, determines an appropriate charging mode for charging the mobile terminal. The disclosure not only enables a mobile terminal to select a plurality of adjustable charging modes to charge the mobile terminal but also enables the terminal to select a most appropriate charging mode to charging the mobile terminal, thus improving the charging efficiency.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: February 20, 2018
    Assignee: ZTE CORPORATION
    Inventors: Jianbin Wei, Kejun Sun
  • Mobile terminal, master data communication device and mobile terminal charging system and method
    Publication number: 20150256018
    Abstract: A mobile terminal, a master data communication device and a mobile terminal charging system and method are provided. The method includes that: a mobile terminal determines whether or not a power supply device is a master data communication device and, if so, determines an appropriate charging mode for charging the mobile terminal. The disclosure not only enables a mobile terminal to select a plurality of adjustable charging modes to charge the mobile terminal but also enables the terminal to select a most appropriate charging mode to charging the mobile terminal, thus improving the charging efficiency.
    Type: Application
    Filed: August 1, 2013
    Publication date: September 10, 2015
    Inventors: Jianbin Wei, Kejun Sun