Patents by Inventor Xiaoxin Chen

Xiaoxin Chen 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).

  • Publication number: 20240106235
    Abstract: A high anti-interference microsystem based on System In Package (SIP) for a power grid is provided. The high anti-interference microsystem comprises a ceramic cavity, a ceramic substrate, a magnetic cover plate, a digital signal processing circuit, an analog signal conditioning circuit and a shield, wherein the ceramic cavity supports the ceramic substrate, the magnetic cover plate is in sealed contact with the ceramic cavity, and the ceramic substrate is arranged in a cavity formed by the ceramic cavity and the magnetic cover plate; a sealed shell of the microsystem based on SIP is composed of the magnetic cover plate and the ceramic cavity; the digital signal processing circuit and the analog signal conditioning circuit are arranged on the ceramic substrate and respectively process received signals to be processed; the shield covers an outer side of the sealed shell and is used for shielding external magnetic field interference.
    Type: Application
    Filed: August 2, 2023
    Publication date: March 28, 2024
    Applicant: Electric Power Research Institute of State Grid Zhejiang Electric Power Co., LTD
    Inventors: Xianjun SHAO, Xiaoxin CHEN, Yiming ZHENG, Chen LI, Jianjun WANG, Ping QIAN, Hua XU, Shaoan WANG, Shaohe WANG, Haibao MU, Huibin TAO, Lin ZHAO, Wenzhe ZHENG, Dun QIAN
  • Publication number: 20230339943
    Abstract: The present invention discloses a class of anti-influenza virus compounds, and the use thereof in the preparation of a drug for treating diseases associated with influenza viruses. In particular, the present invention discloses a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 26, 2023
    Inventors: Jian XIONG, Chaofeng LONG, Jingjing WANG, Xiaoxin CHEN, KEVIN X. CHEN, Cheng XIE, Peng LI, Xuanjia PENG, Jian Li, Shuhui Chen
  • Patent number: 11725009
    Abstract: The present invention discloses a class of anti-influenza virus compounds, and the use thereof in the preparation of a drug for treating diseases associated with influenza viruses. In particular, the present invention discloses a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 15, 2023
    Assignee: GUANGDONG RAYNOVENT BIOTECH CO., LTD.
    Inventors: Jian Xiong, Chaofeng Long, Jingjing Wang, Xiaoxin Chen, Kevin X Chen, Cheng Xie, Peng Li, Xuanjia Peng, Jian Li, Shuhui Chen
  • Patent number: 11535613
    Abstract: Disclosed are a crystal form and a salt form of a pyrazolopridine compound, and a preparation method therefor. Further included is the use of the crystal form in preparing anti-influenza virus drugs.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: December 27, 2022
    Assignee: GUANGDONG RAYNOVENT BIOTECH CO., LTD.
    Inventors: Jian Xiong, Xiaoxin Chen, Jingjing Wang, Zhuowei Liu, Kevin X Chen, Chengwu Liu, Cheng Xie, Chaofeng Long, Peng Li, Jian Li, Shuhui Chen
  • Publication number: 20220380363
    Abstract: Disclosed are sodium salts of pyrimidine derivatives, and a series of crystal forms thereof. The series of crystal forms exhibit a good druggability, such as stability, fluidity, compressibility, etc., and provide a variety of options of APIs for subsequent drug product development.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 1, 2022
    Inventors: Xiaoxin Chen, Chengwu Liu, Zhuowei Liu, Zhenyou Tan, Zhiqiang Liu, Zhiwei Cheng, Chaofeng Long, Jiajun Huang, Guangqiang Zhou
  • Patent number: 11440903
    Abstract: The present invention provides a salt form, a crystal form, and a preparation method of a compound as an FGFR4 inhibitor and medical uses thereof.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: September 13, 2022
    Assignees: GUANGDONG ZHONGSHENG PHARMACEUTICAL CO., LTD, GUANGDONG XIANQIANG PHARMACEUTICAL CO., LTD
    Inventors: Chaofeng Long, Yang Zhang, Zhengxia Chen, Xiaoxin Chen, Zhuowei Liu, Meibi Dai, Zhiqiang Liu, Shuhui Chen
  • Publication number: 20220135558
    Abstract: The present invention discloses a class of anti-influenza virus compounds, and the use thereof in the preparation of a drug for treating diseases associated with influenza viruses. In particular, the present invention discloses a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: August 24, 2021
    Publication date: May 5, 2022
    Inventors: Jian Xiong, Chaofeng Long, Jingjing Wang, Xiaoxin Chen, Kevin X Chen, Cheng Xie, Peng Li, Xuanjia Peng, Jian Li, Shuhui Chen
  • Patent number: 11136319
    Abstract: The present invention discloses a class of anti-influenza virus compounds, and the use thereof in the preparation of a drug for treating diseases associated with influenza viruses. In particular, the present invention discloses a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: October 5, 2021
    Assignee: Guangdong Raynovent Biotech Co., Ltd.
    Inventors: Jian Xiong, Chaofeng Long, Jingjing Wang, Xiaoxin Chen, Kevin X Chen, Cheng Xie, Peng Li, Xuanjia Peng, Jian Li, Shuhui Chen
  • Patent number: 11008292
    Abstract: Provided are a class of compounds as shown in formula (I) as FGFR4 inhibitors, and pharmaceutically acceptable salts thereof, preparation methods therefor and the use thereof in the preparation of drugs for treating FGFR4-related diseases.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 18, 2021
    Inventors: Zhengxia Chen, Chaofeng Long, Yang Zhang, Xiaoxin Chen, Yikai Wang, Meibi Dai, Zhuowei Liu, Haixia Zhao, Xing Liu, Guoping Hu, Jian Li, Shuhui Chen
  • Patent number: 10977074
    Abstract: A virtual-machine-based system that identifies an application or process in a virtual machine in order to locate resources associated with the identified application. Access to the located resources is then controlled based on a context of the identified application. Those applications without the necessary context will have a different view of the resource.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: April 13, 2021
    Inventors: Xiaoxin Chen, Carl A. Waldspurger, Pratap Subrahmanyam
  • Publication number: 20210087181
    Abstract: The present invention provides a salt form, a crystal form, and a preparation method of a compound as an FGFR4 inhibitor and medical uses thereof.
    Type: Application
    Filed: October 30, 2018
    Publication date: March 25, 2021
    Applicants: GUANGDONG ZHONGSHENG PHARMACEUTICAL CO., LTD, GUANGDONG XIANQIANG PHARMACEUTICAL CO., LTD
    Inventors: Chaofeng LONG, Yang ZHANG, Zhengxia CHEN, Xiaoxin CHEN, Zhuowei LIU, Meibi DAI, Zhiqiang LIU, Shuhui CHEN
  • Publication number: 20210032238
    Abstract: The present invention discloses a class of anti-influenza virus compounds, and the use thereof in the preparation of a drug for treating diseases associated with influenza viruses. In particular, the present invention discloses a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: September 5, 2017
    Publication date: February 4, 2021
    Inventors: Jian Xiong, Chaofeng Long, Jingjing Wang, Xiaoxin Chen, Kevin X Chen, Cheng Xie, Peng Li, Xuanjia Peng, Jian Li, Shuhui Chen
  • Publication number: 20200407354
    Abstract: Disclosed are a crystal form and a salt form of a pyrazolopridine compound, and a preparation method therefor. Further included is the use of the crystal form in preparing anti-influenza virus drugs.
    Type: Application
    Filed: March 5, 2019
    Publication date: December 31, 2020
    Inventors: Jian Xiong, Xiaoxin Chen, Jingjing Wang, Zhuowei Liu, Kevin X Chen, Chengwu Liu, Cheng Xie, Chaofeng Long, Peng Li, Jian Li, Shuhui Chen
  • Patent number: 10766862
    Abstract: Disclosed are a crystal form and a salt form of and a preparation method for a tyrosine kinase inhibitor.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 8, 2020
    Assignee: Guangdong Raynovent Biotech Co., Ltd.
    Inventors: Chaofeng Long, Zhengxia Chen, Xiaoxin Chen, Yang Zhang, Zhuowei Liu, Shuhui Chen, Jian Li
  • Patent number: 10693240
    Abstract: An antenna and a communications device are disclosed. The antenna includes: multiple feeders, a microstrip antenna array, and at least one energy attenuation circuit; the microstrip antenna array includes multiple array elements, where each of the multiple array elements is connected to a cable feeding port by using one of the multiple feeders; each of the at least one energy attenuation circuit is located at a feeder, where the feeder is one of the multiple feeders and is connected to an array element, and the array element is located at a periphery of the multiple array elements; and the energy attenuation circuit includes a resistor, where the resistor is grounded, and the resistor consumes a part of energy in the feeder when the resistor is grounded.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: June 23, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Ding, Kun Zhang, Xiaoxin Chen
  • Patent number: 10654808
    Abstract: The present invention relates to a tyrosine kinase inhibitor and a pharmaceutical composition comprising same.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: May 19, 2020
    Assignee: GUANGDONG RAYNOVENT BIOTECH CO., LTD.
    Inventors: Chaofeng Long, Zhengxia Chen, Xiaoxin Chen, Yang Zhang, Zhuowei Liu, Peng Li, Shuhui Chen, Guibai Liang, Cheng Xie, Zhengwei Li, Zhifei Fu, Guoping Hu, Jian Li
  • Patent number: 10618898
    Abstract: Disclosed are a series of hydroxyl purine compounds and the use thereof as PDE2 or TNF? inhibitors, in particular, the compounds as shown in formula (I), or tautomers or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: April 14, 2020
    Assignee: GUANGDONG RAYNOVENT BIOTECH CO., LTD.
    Inventors: Linyun Wu, Xiaoxin Chen, Peng Zhang, Xing Liu, Li Zhang, Zhuowei Liu, Shuhui Chen, Chaofeng Long
  • Publication number: 20200062716
    Abstract: Provided are a class of compounds as shown in formula (I) as FGFR4 inhibitors, and pharmaceutically acceptable salts thereof, preparation methods therefor and the use thereof in the preparation of drugs for treating FGFR4-related diseases.
    Type: Application
    Filed: November 17, 2017
    Publication date: February 27, 2020
    Applicant: GUANGDONG ZHONGSHENG PHARMACEUTICAL CO., LTD
    Inventors: Zhengxia CHEN, Chaofeng LONG, Yang ZHANG, Xiaoxin CHEN, Yikai WANG, Meibi DAI, Zhuowei LIU, Haixia ZHAO, Xing LIU, Guoping HU, Jian LI, Shuhui CHEN
  • Patent number: D893566
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: August 18, 2020
    Inventor: Xiaoxin Chen
  • Patent number: RE49128
    Abstract: Hydroxyl purine compounds represented by formula (I), tautomers or pharmaceutically acceptable salts thereof, and applications thereof as PDE2 or TNF-? inhibitors.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: July 12, 2022
    Assignee: GUANGDONG RAYNOVENT BIOTECH CO., LTD.
    Inventors: Lingyun Wu, Chaofeng Long, Peng Zhang, Xiaoxin Chen, Li Zhang, Zhuowei Liu, Jian Li, Shuhui Chen