Patents by Inventor Biao Xi

Biao Xi 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: 11906508
    Abstract: A system for monitoring cells, which includes a device for monitoring cell-substrate impedance, the device having a plurality of wells on a nonconductive substrate, where each of the plurality of wells has an electrode array fabricated on the substrate for measurement of cell-substrate impedance; an impedance analyzer that measures cell-substrate impedance from the plurality of wells; electronic circuitry with multiple analogue-to-digital conversion channels, where the electronic circuitry electrically connects the electrode arrays to the impedance analyzer such that the electrode arrays are electrically monitored at millisecond time resolution; and a software program that analyzes the measured cell-substrate impedance.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: February 20, 2024
    Assignee: AGILENT TECHNOLOGIES, INC.
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20230130050
    Abstract: A system for monitoring cells, which includes a device for monitoring cell-substrate impedance, the device having a plurality of wells on a nonconductive substrate, where each of the plurality of wells has an electrode array fabricated on the substrate for measurement of cell-substrate impedance; an impedance analyzer that measures cell-substrate impedance from the plurality of wells; electronic circuitry with multiple analogue-to-digital conversion channels, where the electronic circuitry electrically connects the electrode arrays to the impedance analyzer such that the electrode arrays are electrically monitored at millisecond time resolution; and a software program that analyzes the measured cell-substrate impedance.
    Type: Application
    Filed: November 23, 2022
    Publication date: April 27, 2023
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Patent number: 11612602
    Abstract: The present disclosure provides pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: March 28, 2023
    Assignee: ACEA Therapeutics, Inc.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Publication number: 20220291191
    Abstract: A method for monitoring a cell beating parameter, which includes adding excitable cells capable of beating to a system for monitoring cell-substrate impedance, the system having an electrode array electrically coupled to an impedance analyzer that measures cell-substrate impedance at millisecond time resolution, and a software program that determines a cell beating parameter from measured cell-substrate impedance; monitoring cell-substrate impedance of the excitable cells; and determining the cell beating parameter from the monitored cell-substrate impedance.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 15, 2022
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Patent number: 11360072
    Abstract: A system for monitoring cell-substrate impedance of excitable cells at millisecond time resolution and methods of assessing cell beating by monitoring cell-substrate impedance of beating cells at millisecond time resolution.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: June 14, 2022
    Assignee: Agilent Technologies, Inc.
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20210164961
    Abstract: A system for monitoring cell-substrate impedance of excitable cells at millisecond time resolution and methods of assessing cell beating by monitoring cell-substrate impedance of beating cells at millisecond time resolution.
    Type: Application
    Filed: January 3, 2020
    Publication date: June 3, 2021
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Patent number: 11007197
    Abstract: The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 18, 2021
    Assignee: ACEA THERAPEUTICS, INC.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Publication number: 20210100802
    Abstract: The present disclosure provides pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Application
    Filed: August 24, 2020
    Publication date: April 8, 2021
    Applicant: ACEA Therapeutics, Inc.
    Inventors: Xiao XU, Xiaobo WANG, Long MAO, Li ZHAO, Biao XI
  • Patent number: 10799504
    Abstract: The present disclosure provides pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Grant
    Filed: January 12, 2013
    Date of Patent: October 13, 2020
    Assignee: ACEA THERAPEUTICS, INC.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Publication number: 20200278339
    Abstract: Extracellular recording devices with reference electrodes positioned in a cell free zone and methods of conducting extracellular recording. Parallel cell-substrate impedance monitoring and extracellular recording of excitable cells such as excitable cells, cardiomyocytes, and cardiomyocyte precursor cells using devices that switch between extracellular recording and impedance monitoring modes.
    Type: Application
    Filed: January 24, 2020
    Publication date: September 3, 2020
    Inventors: Xiaobo Wang, Wei Ouyang, Nan Li, Biao Xi, Yama A. Abassi, Xiao Xu
  • Publication number: 20200129516
    Abstract: The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 30, 2020
    Applicant: ACEA Therapeutics, Inc.
    Inventors: Xiao XU, Xiaobo WANG, Long MAO, Li ZHAO, Biao XI
  • Patent number: 10596174
    Abstract: The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of proliferation disorders and other diseases related to the dysregulation of kinase (such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, BTK, FLT3(D835Y), ITK, JAK1, JAK2, JAK3, TEC and TXK) and/or the respective pathways.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: March 24, 2020
    Assignee: ACEA THERAPEUTICS, INC.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Patent number: 10562918
    Abstract: The present invention relates to pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment and/or prevention of a proliferation disorder, a cancer, a tumor, an inflammatory disease, an autoimmune disease, psoriasis, dry eye or an immunologically related disease, and in some embodiments diseases or disorders related to the dysregulation of kinase such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, FLT3(D835Y), ITK, TEC, TXK, BTK, or JAK, and the respective pathways.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: February 18, 2020
    Assignee: ACEA THERAPEUTICS, INC.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Patent number: 10551371
    Abstract: Devices and methods for performing extracellular recording of cells, such as excitable cells, cardiomyocytes, and cardiomyocyte precursor cells is provided. An exemplary device includes a nonconductive substrate forming or provided as a base of one or more wells; a recording electrode positioned on the substrate within the well, wherein the recording electrode is accessible to cells when a cell sample is added to the device; and a reference electrode positioned within the well in a cell-free zone, the cell-free zone characterized as free from contact with cells when the cell sample is added to the device, thereby preventing contact between cells and the reference electrode.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: February 4, 2020
    Assignee: ACEA Biosciences, Inc.
    Inventors: Xiaobo Wang, Wei Ouyang, Nan Li, Biao Xi, Yama A. Abassi, Xiao Xu
  • Patent number: 10533985
    Abstract: A system for monitoring cell-substrate impedance of excitable cells and monitoring the beating cycle of cardiomyocytes, the system including: a device for monitoring cell-substrate impedance at 20 millisecond time resolution, the device having one or more wells on a nonconductive substrate, wherein at least one well of the one or more wells comprises an electrode array fabricated on the substrate for measurement of cell-substrate impedance at 20 millisecond time resolution; an impedance analyzer that measures cell-substrate impedance from the at least one well at 20 millisecond time resolution; electronic circuitry that electrically connects the electrode array from the at least one well to the impedance analyzer; and a software program that analyzes the measured cell-substrate impedance.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: January 14, 2020
    Assignee: ACEA Biosciences, Inc
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Patent number: 10449196
    Abstract: The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 22, 2019
    Assignee: ACEA Therapeutics, Inc.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Publication number: 20180306771
    Abstract: A system for monitoring cell-substrate impedance of excitable cells and monitoring the beating cycle of cardiomyocytes, the system including: a device for monitoring cell-substrate impedance at 20 millisecond time resolution, the device having one or more wells on a nonconductive substrate, wherein at least one well of the one or more wells comprises an electrode array fabricated on the substrate for measurement of cell-substrate impedance at 20 millisecond time resolution; an impedance analyzer that measures cell-substrate impedance from the at least one well at 20 millisecond time resolution; electronic circuitry that electrically connects the electrode array from the at least one well to the impedance analyzer; and a software program that analyzes the measured cell-substrate impedance.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 25, 2018
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20180251475
    Abstract: The present invention relates to pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment and/or prevention of a proliferation disorder, a cancer, a tumor, an inflammatory disease, an autoimmune disease, psoriasis, dry eye or an immunologically related disease, and in some embodiments diseases or disorders related to the dysregulation of kinase such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, FLT3(D835Y), ITK, TEC, TXK, BTK, or JAK, and the respective pathways.
    Type: Application
    Filed: January 29, 2018
    Publication date: September 6, 2018
    Inventors: Xiao XU, Xiaobo WANG, Long MAO, Li ZHAO, Biao XI
  • Patent number: 10012636
    Abstract: A system for monitoring impedance of excitable cells in vitro, which includes a device for monitoring cell-substrate impedance at 20 millisecond resolution, which includes a nonconductive substrate with one or more electrode arrays fabricated in one or more wells, wherein cell attachment on the substrate can result in a detectable change in impedance between electrodes within each electrode array; an impedance analyzer capable of impedance measurement at 20 millisecond time resolution; electronic circuitry that can engage said device and selectively connect said two or more electrode arrays of said device to said impedance analyzer; and a software program that controls said electronic circuitry and records and analyzes data obtained from said impedance analyzer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 3, 2018
    Assignee: ACEA Biosciences, Inc.
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20180095064
    Abstract: A system for monitoring impedance of excitable cells in vitro, which includes a device for monitoring cell-substrate impedance at 20 millisecond resolution, which includes a nonconductive substrate with one or more electrode arrays fabricated in one or more wells, wherein cell attachment on the substrate can result in a detectable change in impedance between electrodes within each electrode array; an impedance analyzer capable of impedance measurement at 20 millisecond time resolution; electronic circuitry that can engage said device and selectively connect said two or more electrode arrays of said device to said impedance analyzer; and a software program that controls said electronic circuitry and records and analyzes data obtained from said impedance analyzer.
    Type: Application
    Filed: July 17, 2017
    Publication date: April 5, 2018
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu