Patents by Inventor Xiaohua Zhang

Xiaohua Zhang 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: 20210102153
    Abstract: In an embodiment, a tubing module for a bioprocessing system includes a first tubing holder block configured to receive at least one pump tube and hold the at least one pump tube in position for selective engagement with a peristaltic pump, a second tubing holder block configured to receive a plurality of pinch valve tubes and hold each pinch valve tube of the plurality of pinch valve tubes in position for selective engagement with a respective actuator of a pinch valve array, and wherein the first tubing holder block and the second tubing holder block are interconnected.
    Type: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210102157
    Abstract: A bioreactor vessel includes a bottom plate, a vessel body coupled to the bottom plate, the vessel body and the bottom plate defining an interior compartment therebetween, and a plurality of recesses formed in the bottom plate, each recess of the plurality of recesses being configured to receive a corresponding alignment pin on a bed plate for aligning the bioreactor vessel on the bed plate.
    Type: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210102156
    Abstract: An apparatus for bioprocessing includes a housing, a drawer receivable within the housing, the drawer including a plurality of sidewalls and a bottom defining a processing chamber, and a generally open top, the drawer being movable between a closed position in which the drawer is received within the housing, and an open position in which the drawer extends from the housing enabling access to the processing chamber through the open top, and at least one bed plate positioned within the processing chamber and configured to receive a bioreactor vessel.
    Type: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210087510
    Abstract: A system for bioprocessing includes a tray having plurality of sidewalls and a bottom surface defining an interior compartment, and a generally open top, and an opening formed in the bottom surface of the tray, the opening having a perimeter. The perimeter of the opening is shaped and/or dimensioned such that a bioreactor vessel can be positioned above the opening and supported by the bottom surface of the tray while a portion of the bioreactor vessel is accessible through the opening in the bottom surface. The tray is receivable within a processing chamber such that the bed plate extends through the opening in the bottom surface of the tray to support the bioreactor vessel.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 25, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210087511
    Abstract: A bioprocessing method for cell therapy includes the steps of genetically modifying a population of cells in a bioreactor vessel to produce a population of genetically modified cells, and expanding the population of genetically modified cells within the bioreactor vessel to generate a number of genetically modified cells sufficient for one or more doses for use in a cell therapy treatment without removing the population of genetically modified cells from the bioreactor vessel. Cells are settled on a gas permeable, liquid impermeable membrane for expansion, and are resuspended when, or after, the desired cell density is reached.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 25, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Patent number: 10946876
    Abstract: Disclosed is an interconnected transportation network system, wherein same is related to the field of transportation facilities and control, and comprises a main transportation system, a transfer system and an entry/exit system. The main transportation system is formed of a closed annular rail vehicle, and the annular train moves continuously on a T-shaped track to fulfil a passenger transportation task by means of multi-point drive. The transfer system (intercommunication) is of the same structure as that of the main transportation system, and the passengers transfer between main transportation lines by means of the transfer system. The entry/exit system (terminal) is formed of an annular buffer vehicle system and a stepping speed control system, and the passengers enter or exit the main transportation lines in a self-service manner by means of the entry/exit system.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: March 16, 2021
    Inventor: Xiaohua Zhang
  • Publication number: 20210054328
    Abstract: A method includes introducing a suspension including cells suspended in a cell culture medium through a feed port or a drain port into a cavity of a cell culture vessel, the suspension being in an amount sufficient to cover a gas permeable, liquid impermeable membrane positioned at a bottom of the cell culture vessel, the feed port being disposed through a surface of the cell culture vessel and configured to permit additional cell culture medium into the cavity, and the drain port being disposed through the surface of the cell culture vessel and configured to permit removal of the cells, cell culture medium, and used cell culture medium from the cavity, allowing the cells to settle on the gas permeable, liquid impermeable membrane by gravity, removing the used cell culture medium through the drain port and introducing the additional cell culture medium through the feed port such that a constant volume is maintained in the cell culture vessel until the cells expand to a desired cell density, wherein the removi
    Type: Application
    Filed: October 23, 2020
    Publication date: February 25, 2021
    Inventors: Weston Blaine Griffin, Xiaohua Zhang, Reginald Donovan Smith, Vandana Keskar
  • Patent number: 10889792
    Abstract: A method includes introducing a suspension including cells suspended in a cell culture medium through a feed port or a drain port into a cavity of a cell culture vessel, the suspension being in an amount sufficient to cover a gas permeable, liquid impermeable membrane positioned at a bottom of the cell culture vessel, the feed port being disposed through a surface of the cell culture vessel and configured to permit additional cell culture medium into the cavity, and the drain port being disposed through the surface of the cell culture vessel and configured to permit removal of the cells, cell culture medium, and used cell culture medium from the cavity, allowing the cells to settle on the gas permeable, liquid impermeable membrane by gravity, removing the used cell culture medium through the drain port and introducing the additional cell culture medium through the feed port such that a constant volume is maintained in the cell culture vessel until the cells expand to a desired cell density, wherein the removi
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: January 12, 2021
    Assignee: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Xiaohua Zhang, Reginald Donovan Smith, Vandana Keskar
  • Publication number: 20210002599
    Abstract: A non-transitory computer readable medium includes instructions configured to adapt a controller to maintain a first target environment in a bioreactor vessel containing a population of cells for a first incubation period to produce a population of genetically modified cells from the population of cells, initiate a flow of media to the bioreactor vessel, maintain a second target environment in the bioreactor vessel for a second incubation period to produce an expanded population of genetically modified cells.
    Type: Application
    Filed: February 8, 2019
    Publication date: January 7, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20200392446
    Abstract: A bioprocessing system includes a first module configured for enriching and isolating a population of cells, a second module configured for activating, genetically modifying, and expanding the population of cells, and a third module configured for harvesting the expanded population of cells.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 17, 2020
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20200392449
    Abstract: A bioprocessing system includes a first fluid assembly having a first fluid assembly line connected to a first port of a first bioreactor vessel though a first bioreactor line of a first bioreactor vessel, a second fluid assembly having a second fluid assembly line connected to a second port of the first bioreactor vessel through a second bioreactor line of the first bioreactor vessel, and an interconnect line providing for fluid communication between the first fluid assembly and the second fluid assembly, and for fluid communication between the second bioreactor line of the first bioreactor vessel and the first bioreactor line of the first bioreactor vessel.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 17, 2020
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Patent number: 10857830
    Abstract: The invention provides a silk fibroin-based anti-counterfeiting mark comprising a silk fibroin film layer and a gold film layer located on the silk fibroin film layer, and the area of the gold film layer is less than that of the silk fibroin film layer. The inventive also provides a method for preparing the silk fibroin-based optical anti-counterfeiting mark, the method comprises preparing an aqueous silk fibroin solution, coating the aqueous silk fibroin solution onto a substrate to obtain a silk fibroin film, and sputtering a layer of gold film on the silk fibroin film with a mask to obtain the silk fibroin-based optical anti-counterfeiting mark. In the invention a thin layer of Au film is sputtered on a silk fibroin film such that an anti-counterfeiting mark pattern appears at a high humidity, the method is simple and can significantly the production cost of optical anti-counterfeiting mark.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: December 8, 2020
    Assignee: NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Keqin Zhang, Qingsong Li, Yu Peng, Ning Qi, Xiaohua Zhang
  • Publication number: 20200283754
    Abstract: Provided are techniques that may include a disposable magnetic cell isolation holder having one or more passages that accommodate a magnetic retention material to facilitate magnetic cell isolation without adjustment of magnetic field parameters between isolation procedures using different magnetic particle sizes. When the magnetic cell isolation holder is coupled to a magnetic field generator, a first passage corresponding to a smaller particle size is positioned in a magnetic field where the magnetic field characteristics are different relative to a second passage, of a second holder or in the same holder, for use with another bead size.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Applicant: GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
    Inventors: XIAOHUA ZHANG, SUSUMU MINE, YE BAI, REGINALD SMITH, MINFENG XU, WESTON GRIFFIN, KENNETH CONWAY
  • Patent number: 10696961
    Abstract: Provided are techniques that may include a disposable magnetic cell isolation holder having one or more passages that accommodate a magnetic retention material to facilitate magnetic cell isolation without adjustment of magnetic field parameters between isolation procedures using different magnetic particle sizes. When the magnetic cell isolation holder is coupled to a magnetic field generator, a first passage corresponding to a smaller particle size is positioned in a magnetic field where the magnetic field characteristics are different relative to a second passage, of a second holder or in the same holder, for use with another bead size.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 30, 2020
    Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
    Inventors: Xiaohua Zhang, Susumu Mine, Ye Bai, Reginald Smith, Minfeng Xu, Weston Griffin, Kenneth Conway
  • Publication number: 20200079133
    Abstract: The invention provides a silk fibroin-based anti-counterfeiting mark comprising a silk fibroin film layer and a gold film layer located on the silk fibroin film layer, and the area of the gold film layer is less than that of the silk fibroin film layer. The inventive also provides a method for preparing the silk fibroin-based optical anti-counterfeiting mark, the method comprises preparing an aqueous silk fibroin solution, coating the aqueous silk fibroin solution onto a substrate to obtain a silk fibroin film, and sputtering a layer of gold film on the silk fibroin film with a mask to obtain the silk fibroin-based optical anti-counterfeiting mark. In the invention a thin layer of Au film is sputtered on a silk fibroin film such that an anti-counterfeiting mark pattern appears at a high humidity, the method is simple and can significantly the production cost of optical anti-counterfeiting mark.
    Type: Application
    Filed: July 25, 2016
    Publication date: March 12, 2020
    Inventors: Keqin ZHANG, Qingsong LI, Yu PENG, Ning QI, Xiaohua ZHANG
  • Publication number: 20200079810
    Abstract: There are provided compounds of Formula I: various compositions thereof and methods for their use in the inhibition of ?-amylase.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 12, 2020
    Inventors: STEPHEN G. WITHERS, GARY D. BRAYER, LESLIE KAREN WILLIAMS, XIAOHUA ZHANG
  • Patent number: 10539823
    Abstract: The present disclosure relates to compensating method for cell assembly. According to a deviation value of a key position of a measured array substrate, a compensation value of an exposure parameter of black matrix process of a color film substrate is calculated in real time by using historical measurement data of batches. The compensation value is fed back to a manufacturing apparatus in real time. The manufacturing apparatus corrects the key parameter of the apparatus timely according to the compensation value of the exposure parameter of the black matrix, to manufacture a color film substrate matching with the array substrate.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: January 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Xiaohua Zhang, Xiahong Bai, Dong Yan, Hao Lei
  • Patent number: 10500325
    Abstract: A wearable filtrating artificial kidney device, comprising a transfusion inlet (2), a blood pump (3), an arterial pressure detector (4), a blood filter (7), a venous pressure detector (8) and an air detector (9), wherein the transfusion inlet (2), the blood pump (3), the arterial pressure detector (4), a resin hemoperfusion apparatus (5), an active carbon hemoperfusion apparatus (6), the blood filter (7), the venous pressure detector (8) and the air detector (9) are connected sequentially; a liquid waste outlet of the blood filter (7) is connected with an ultrafiltration control pump (10). Glomerulus filtration can be simulated to achieve the goal of removing toxins and excessive moisture in the blood by virtue of ultrafiltration of the blood filter (7). A dialyzate and a complicated dialyzate circulating device are not used for the device, so that the volume and weight of the device can be reduced greatly, and the device can be worn conveniently.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: December 10, 2019
    Inventors: Changsheng Zhao, Baihai Su, Weifeng Zhao, Shudong Sun, Chen Wang, Zhenqiang Shi, Qiang Liu, Xiaohua Zhang, Ping Fu, Jianhui Zhou
  • Publication number: 20190249130
    Abstract: A method includes introducing a suspension including cells suspended in a cell culture medium through a feed port or a drain port into a cavity of a cell culture vessel, the suspension being in an amount sufficient to cover a gas permeable, liquid impermeable membrane positioned at a bottom of the cell culture vessel, the feed port being disposed through a surface of the cell culture vessel and configured to permit additional cell culture medium into the cavity, and the drain port being disposed through the surface of the cell culture vessel and configured to permit removal of the cells, cell culture medium, and used cell culture medium from the cavity, allowing the cells to settle on the gas permeable, liquid impermeable membrane by gravity, removing the used cell culture medium through the drain port and introducing the additional cell culture medium through the feed port such that a constant volume is maintained in the cell culture vessel until the cells expand to a desired cell density, wherein the removi
    Type: Application
    Filed: February 9, 2018
    Publication date: August 15, 2019
    Inventors: Weston Blaine Griffin, Xiaohua Zhang, Reginald Donovan Smith, Vandana Keskar
  • Publication number: 20190169594
    Abstract: Provided are techniques that may include a disposable magnetic cell isolation holder having one or more passages that accommodate a magnetic retention material to facilitate magnetic cell isolation without adjustment of magnetic field parameters between isolation procedures using different magnetic particle sizes. When the magnetic cell isolation holder is coupled to a magnetic field generator, a first passage corresponding to a smaller particle size is positioned in a magnetic field where the magnetic field characteristics are different relative to a second passage, of a second holder or in the same holder, for use with another bead size.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 6, 2019
    Inventors: Xiaohua Zhang, Susumu Mine, Ye Bai, Reginald Smith, Minfeng Xu, Weston Griffin, Kenneth Conway