Patents by Inventor Stephen Chou

Stephen Chou 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: 20240111749
    Abstract: Aspects of the subject disclosure may include, for example, a device including a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations of: receiving domain name system (DNS) record changes; identifying errors from the DNS record changes; discarding the DNS record changes responsive to the errors identified; scheduling the DNS record changes responsive to a lack of errors identified; translating the DNS record changes into protocol specific formats; and provisioning the protocol specific formats of the translated DNS record changes. Other embodiments are disclosed.
    Type: Application
    Filed: October 3, 2022
    Publication date: April 4, 2024
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Lakshminarashimhan Naidu, Eric Ashby, Stephen Chou
  • Publication number: 20240085304
    Abstract: The present disclosure relates to devices, apparatus and methods of improving the accuracy of image-based assay, that uses imaging system having uncertainties or deviations (imperfection) compared with an ideal imaging system. One aspect of the present invention is to add the monitoring marks on the sample holder, with at least one of their geometric and/optical properties of the monitoring marks under predetermined and known, and taking images of the sample with the monitoring marks, and train a machine learning model using the images with the monitoring mark.
    Type: Application
    Filed: January 18, 2022
    Publication date: March 14, 2024
    Applicant: Essenlix Corporation
    Inventors: Xing LI, Wu CHOU, Stephen Y. CHOU, Wei DING, Ji QI
  • Publication number: 20230110246
    Abstract: A fluidic chip includes at least one nanochannel array, the nanochannel array including a surface having a nanofluidic area formed in the material of the surface; a microfluidic area on said surface; a gradient interface area having a gradual elevation of height linking the microfluidic area and the nanofluidic area; and a sample reservoir capable of receiving a fluid in fluid communication with the microfluidic area. In another embodiment, a fluidic chip includes at least one nanochannel array, the nanochannel array includes a surface having a nanofluidic area formed in the material of the surface; a microfluidic area on said surface; and a gradient interface area linking the microfluidic area and the nanofluidic area, where the gradient interface area comprises a plurality of gradient structures, and the lateral spacing distance between said gradient structures decreases towards said nanofluidic area; and a sample reservoir capable of receiving a fluid in fluid communication with the microfluidic area.
    Type: Application
    Filed: November 29, 2022
    Publication date: April 13, 2023
    Inventors: Han Cao, Jonas O. Tegenfeldt, Stephen Chou, Robert H. Austin
  • Publication number: 20220239701
    Abstract: A system to control access to domains, servers, or content, among other things. There may be individualized or global policies. Policy servers or other devices may interface with databases, DNS servers, firewalls, programmable virtualized routers, or dynamic host configuration protocol servers, among other devices to dynamically update various policy enforcement elements.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 28, 2022
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Anestis Karasaridis, Stephen Chou, Aleksandr Zelezniak
  • Patent number: 11346764
    Abstract: The present invention is related to correct the errors in instruments, operation, and others using intelligent monitoring structures and machine learning, and others.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: May 31, 2022
    Assignee: Essenlix Corporation
    Inventors: Stephen Chou, Wei Ding, Wu Chou, Jun Tian, Yuecheng Zhang, Mingquan Wu, Xing Li
  • Patent number: 11336696
    Abstract: A system to control access to domains, servers, or content, among other things. There may be individualized or global policies. Policy servers or other devices may interface with databases, DNS servers, firewalls, programmable virtualized routers, or dynamic host configuration protocol servers, among other devices to dynamically update various policy enforcement elements.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: May 17, 2022
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Anestis Karasaridis, Stephen Chou, Aleksandr Zelezniak
  • Patent number: 11326989
    Abstract: Devices and systems are provided herein relating to a novel and rapid assay for tissue staining. Methods for using the devices and systems for analyzing tissue samples are also disclosed.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 10, 2022
    Assignee: Essenlix Corporation
    Inventors: Stephen Chou, Wei Ding, Ji Li
  • Publication number: 20220065756
    Abstract: Disclosed are devices and methods for analyzing an analyte, such as white blood cells in liquid samples.
    Type: Application
    Filed: September 28, 2021
    Publication date: March 3, 2022
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Ji Qi
  • Patent number: 11248994
    Abstract: Disclosed are devices and methods for analyzing an analyte, such as white blood cells in liquid samples.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: February 15, 2022
    Assignee: Essenlix Corporation
    Inventors: Stephen Chou, Wei Ding, Ji Qi
  • Publication number: 20220042884
    Abstract: Disclosed are devices, kits, apparatus, and methods for rapid homogenous cell staining and imaging.
    Type: Application
    Filed: February 19, 2020
    Publication date: February 10, 2022
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Ji LI, Shengjian CAI, Yu SUN
  • Publication number: 20220003757
    Abstract: Among other things, the present disclosure is related to devices and methods of performing biological and chemical assays, such as but not limited to immunoassays and nucleic assay acid, particularly a homogeneous assay that does not use a wash step and that is fast (e.g., 60 seconds from dropping a sample to displaying results). The present disclosure is related to both competitive and non-competitive homogeneous assays.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Ji LI, Yufan ZHANG
  • Publication number: 20210356382
    Abstract: The present invention provides diagnostic devices and methods for quantifying the amounts of an acute phase reactant (e.g., C-reactive protein (CRP) or serum amyloid A (SAA)) in a body fluid sample and/or white blood cell counts in blood sample. In particular, the present invention provides a rapid assay to detect CRP, SAA, and/or white blood cells in blood with high sensitivity and specificity.
    Type: Application
    Filed: November 20, 2019
    Publication date: November 18, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING
  • Publication number: 20210356462
    Abstract: The present disclosure provides devices, methods, and systems for performing cellular, biological, or chemical assays where a sample can have a plurality of analytes.
    Type: Application
    Filed: November 20, 2019
    Publication date: November 18, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Ji LI
  • Patent number: 11156606
    Abstract: Among other things, the present disclosure is related to devices and methods of performing biological and chemical assays, such as but not limited to immunoassays and nucleic assay acid, particularly a homogeneous assay that does not use a wash step and that is fast (e.g., 60 seconds from dropping a sample to displaying results). The present disclosure is related to both competitive and non-competitive homogeneous assays.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: October 26, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Chou, Wei Ding, Ji Li, Yufan Zhang
  • Publication number: 20210312621
    Abstract: The present invention is related to, among other things, the devices and methods that improve the accuracy and reliability of an assay, even when the assay device and/or the operation of the assay device has certain errors, and in some embodiments the errors are random.
    Type: Application
    Filed: April 6, 2020
    Publication date: October 7, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wu CHOU, Xing LI, Hongbing LI, Yuechang Zhang, Mingquan WU, Wei DING, Jun TIAN
  • Publication number: 20210308666
    Abstract: The present invention is related to the field of bio/chemical sampling, sensing, assays and applications. More particularly, one aspect of the present invention is related to bio/chemical assays, including how to separate two plates, how to separate a certain component from a composite liquid sample and obtain a liquid sample free of the component therein, and how to deposit sample and how operate plates for facilitating assaying.
    Type: Application
    Filed: August 23, 2019
    Publication date: October 7, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING
  • Publication number: 20210270722
    Abstract: One aspect of the present invention is to provide systems and methods that improve the accuracy of an assay that comprise at least one or more parameters each having a random error.
    Type: Application
    Filed: August 28, 2019
    Publication date: September 2, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Wu CHOU, Jun TIAN, Yuecheng ZHANG, Mingquan WU, Xing LI
  • Publication number: 20210273977
    Abstract: A system to control access to domains, servers, or content, among other things. There may be individualized or global policies. Policy servers or other devices may interface with databases, DNS servers, firewalls, programmable virtualized routers, or dynamic host configuration protocol servers, among other devices to dynamically update various policy enforcement elements.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 2, 2021
    Inventors: Anestis Karasaridis, Stephen Chou, Aleksandr Zelezniak
  • Publication number: 20210263294
    Abstract: Disclosed is an apparatus and method for imaging: a side-view of a object on a surface, a Contact Angle of a liquid object, the color of an object, or combinations thereof.
    Type: Application
    Filed: August 16, 2019
    Publication date: August 26, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Wu CHOU, Ji QI, Jun TIAN, Yuecheng ZHANG, Mingquan WU
  • Publication number: 20210255177
    Abstract: Disclosed are devices and methods for performing biological and chemical assays, such as immunoassays and nucleic acid assays, more particularly a homogeneous assay that does not use a wash step by using the aggregation and de-aggregation processes of microparticles or nanoparticles.
    Type: Application
    Filed: August 16, 2019
    Publication date: August 19, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen CHOU, Wei DING, Ji LI