Patents by Inventor Xiaonan TANG

Xiaonan TANG 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).

  • Platform door control apparatus based on double 2-vote-2 architecture
    Patent number: 11964677
    Abstract: The present invention relates to a platform door control apparatus based on a double 2-vote-2 architecture, including a security communication and logic processing module, a driver collection module, and a maintenance module, the security communication and logic processing module is separately connected to the driver collection module and the maintenance module, and both the security communication and logic processing module and the driver collection module are devices using the double 2-vote-2 architecture. Compared with the prior art, the present invention has the following advantages of effectively improving linkage efficiency of a signal system and a platform door system, and the like.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 23, 2024
    Assignee: CASCO SIGNAL CO., LTD.
    Inventors: Ruiyuan Ye, Xiaolin Tang, Liang Chen, Zhijun Ji, Chang Liu, Chun Yang, Xiaonan Liu, Jing Xu
  • Hydrophilic berberine-type derivative and application thereof in preparing drug
    Patent number: 11725006
    Abstract: An 8-dihalomethyl berberine-type quaternary ammonium salt compound represented by general formula (I) or (II) and an application thereof in preparing a drug. The compound shows hydrophilicity and has antimicrobial, anti-inflammatory, anti-ulcerative colitis, and antitumor activities, while having no or low toxicity.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: August 15, 2023
    Assignee: INSTITUTE OF MATERIA MEDIC, CHINESE ACADEMY OF MEDICAL SCIENCES
    Inventors: Hailin Qin, Lianqiu Wu, Xiang Li, Haijing Zhang, Li Song, Huachen Song, Anjun Deng, Xiaonan Tang, Zhihui Zhang, Xiang Li, Zhihong Li
  • HYDROPHILIC BERBERINE-TYPE DERIVATIVE AND APPLICATION THEREOF IN PREPARING DRUG
    Publication number: 20210147409
    Abstract: An 8-dihalomethyl berberine-type quaternary ammonium salt compound represented by general formula (I) or (II) and an application thereof in preparing a drug. The compound shows hydrophilicity and has antimicrobial, anti-inflammatory, anti-ulcerative colitis, and antitumor activities, while having no or low toxicity.
    Type: Application
    Filed: April 15, 2019
    Publication date: May 20, 2021
    Inventors: Hailin QIN, Lianqiu WU, Xiang LI, Haijing ZHANG, Li SONG, Huachen SONG, Anjun DENG, Xiaonan TANG, Zhihui ZHANG, Xiang LI, Zhihong LI