Patents by Inventor Wenguang Yan

Wenguang Yan 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).

  • FGFR KINASE INHIBITOR AND USE THEREOF
    Publication number: 20240109896
    Abstract: Disclosed are a heterocyclic compound used as a FGFR (Fibroblast Growth Factor Receptor) inhibitor, a preparation method thereof, and a pharmaceutical application thereof. Specifically, the present disclosure relates to a compound represented by general formula I and a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the found and/or the pharmaceutically acceptable salt, and a use of the compound or the pharmaceutically acceptable salt in treating or preventing disorders related to FGFR kinase, specifically tumor drugs, and the compound is a class of heterocyclic compound, and at the same time the present disclosure provides a preparation method for the pharmaceutical composition of the compound and the pharmaceutically acceptable salt. Definition of substituents in general formula I is identified with that in the description.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 4, 2024
    Inventors: Yonghong LIANG, Zhiyong XU, Zhaosen ZENG, Wenguang YAN, Fangjun XIONG
  • Asymmetric power flow controller for a power converter and method of operating the same
    Patent number: 10084380
    Abstract: A controller for a power converter formed with a plurality of converter stages, and method of operating the same. In one embodiment, the controller includes a power system controller configured to determine an unequal current allocation among the plurality of converter stages based on an operation of the power converter. The controller also includes a converter stage controller configured to control an output current produced by each of the plurality of converter stages in response to the current allocation.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: September 25, 2018
    Assignee: Altera Corporation
    Inventors: Wenguang Yan, Ashraf W. Lotfi
  • Composition of detection agents for epithelial tumour cells and preparation method therefor
    Patent number: 9939355
    Abstract: Provided is a composition of detection agents for living cells, especially epithelial tumor cells; the composition contains 0-5% folic acid, 0-10% folic acid complex, 0.01-5% methylene blue, 0.1-10% carbohydrate reducing agent, 2-6% acetic acid, and 3-95% water. Also provided is a preparation method for the composition of detection agents and kits containing the composition of detection agents.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 10, 2018
    Inventor: Wenguang Yan
  • ASYMMETRIC POWER FLOW CONTROLLER FOR A POWER CONVERTER AND METHOD OF OPERATING THE SAME
    Publication number: 20170077814
    Abstract: A controller for a power converter formed with a plurality of converter stages, and method of operating the same. In one embodiment, the controller includes a power system controller configured to determine an unequal current allocation among the plurality of converter stages based on an operation of the power converter. The controller also includes a converter stage controller configured to control an output current produced by each of the plurality of converter stages in response to the current allocation.
    Type: Application
    Filed: November 22, 2016
    Publication date: March 16, 2017
    Inventors: Wenguang Yan, Ashraf W. Lotfi
  • Asymmetric power flow controller for a power converter and method of operating the same
    Patent number: 9509217
    Abstract: A controller for a power converter formed with a plurality of converter stages, and method of operating the same. In one embodiment, the controller includes a power system controller configured to determine an unequal current allocation among the plurality of converter stages based on an operation of the power converter. The controller also includes a converter stage controller configured to control an output current produced by each of the plurality of converter stages in response to the current allocation.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: November 29, 2016
    Assignee: Altera Corporation
    Inventors: Wenguang Yan, Ashraf W. Lotfi
  • ASYMMETRIC POWER FLOW CONTROLLER FOR A POWER CONVERTER AND METHOD OF OPERATING THE SAME
    Publication number: 20160308440
    Abstract: A controller for a power converter formed with a plurality of converter stages, and method of operating the same. In one embodiment, the controller includes a power system controller configured to determine an unequal current allocation among the plurality of converter stages based on an operation of the power converter. The controller also includes a converter stage controller configured to control an output current produced by each of the plurality of converter stages in response to the current allocation.
    Type: Application
    Filed: April 20, 2015
    Publication date: October 20, 2016
    Applicant: Altera Corporation
    Inventors: Wenguang Yan, Ashraf W. Lotfi
  • COMPOSITION OF DETECTION AGENTS FOR EPITHELIAL TUMOUR CELLS AND PREPARATION METHOD THEREFOR
    Publication number: 20140377796
    Abstract: Provided is a composition of detection agents for living cells, especially epithelial tumor cells; the composition contains 0-5% folic acid, 0-10% folic acid complex, 0.01-5% methylene blue, 0.1-10% carbohydrate reducing agent, 2-6% acetic acid, and 3-95% water. Also provided is a preparation method for the composition of detection agents and kits containing the composition of detection agents.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 25, 2014
    Inventor: Wenguang Yan