Patents by Inventor Liwen ZHENG

Liwen ZHENG 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: 11998232
    Abstract: A therapeutic device, therapeutic system and therapeutic method for myocardium repair, wherein the therapeutic device comprises a treatment needle for piercing the heart to release a therapeutant. The treatment needle includes a needle body (5a), the interior of the needle body (5) has a therapeutant conveying cavity, an end of the needle body (5a) is a needle (5b) which can pierce the myocardium and guide the needle body (5a) to pass through the myocardium, and the needle (5b) has a therapeutant output port which is connected to the therapeutant conveying cavity. The therapeutic device enters into the myocardium in a minimally invasive manner to release the therapeutant to the vicinity of the lesion to improve myocardial function or activity and prevent further deterioration of the disease.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 4, 2024
    Assignee: DEKE MEDTECH (HANGZHOU) INC.
    Inventors: Zhenjun Zi, Nan Shao, Jingjing Hu, Liwen Liu, Xiaotong Zeng, Ji Zheng
  • Publication number: 20240116918
    Abstract: The present invention belongs to the field of medicinal chemistry and relates to a class of substituted tricyclic compounds as PRMT5 inhibitors and the use thereof. Specifically, the present invention provides a compound represented by formula (A) or an isomer, pharmaceutically acceptable salt, solvate, crystal or prodrug thereof, a preparation method therefor, a pharmaceutical composition containing the compounds, and the use of the compounds or the composition for treating a disease mediated by PRMT5. The compounds of the present invention show significant inhibitory activity on PRMT5.
    Type: Application
    Filed: October 12, 2020
    Publication date: April 11, 2024
    Applicant: NANJING SANHOME PHARMACEUTICAL CO., LTD.
    Inventors: Yong Wang, Liwen Zhao, Xu Quan, Guochuang Zheng, Wei Sun, Tingting Yang, Kangning Zhan, Qiqi Shi
  • Publication number: 20220405375
    Abstract: A device configured to collect to-be-verified identity information of a user and a device configured to verify the to-be-verified identity information may perform a user identity verification method. The device configured to collect the to-be-verified identity information or the device configured to verify the to-be-verified identity information may determine a target identity verification manner applicable to a non-self device from a plurality of identity verification manners based on device information of the non-self device.
    Type: Application
    Filed: October 29, 2020
    Publication date: December 22, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Sunghao LIN, Hsin-Ti CHUEH, Yuchao LIN, Shubo ZHANG, Liwen ZHENG
  • Publication number: 20210334121
    Abstract: A method to create and run a program in a computer including includes: connecting a preset USB-HID device to a computer, wherein the USB-HID device is provided with a first storage area, stores working codes in the first storage area in binary form; the USB-HID device injects a control instruction to the computer, such that the computer creates a text document or opens a command line program according to the control instruction; if the computer creates a text document, the USB-HID device inputs the working codes in the form of keyboard sequence to generate an application corresponding to the working codes, and controls the computer to run the application; and if the computer opens a command line program, the USB-HID device inputs the working codes in the form of keyboard sequence, such that the computer directly runs the working codes through the command line program.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 28, 2021
    Inventors: Tianle ZHANG, Zhihong TIAN, Lihua YIN, Naqin ZHOU, Liwen ZHENG, Yi FENG, Dailing XIA