Patents by Inventor Stephen Y. Chou

Stephen Y. 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).

  • Making and tracking assay card
    Patent number: 10807095
    Abstract: Among other things, the present invention is related to devices, systems, and methods of performing biological and chemical assays for certain analysis and to the identification, tracking, and monitoring of these devices and systems.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 20, 2020
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding
  • QMAX ASSAYS AND APPLICATIONS
    Publication number: 20200319176
    Abstract: The present invention provides, among other things, QMAX card based assays in different forms for various analytes, offering simpler, fast, more sensitive assaying.
    Type: Application
    Filed: February 8, 2018
    Publication date: October 8, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi, Ji LI
  • Nanochannel arrays and their preparation and use for high throughput macromolecular analysis
    Patent number: 10768142
    Abstract: Nanochannel arrays that enable high-throughput macromolecular analysis are disclosed. Also disclosed are methods of preparing nanochannel arrays and nanofluidic chips. Methods of analyzing macromolecules, such as entire strands of genomic DNA, are also disclosed, as well as systems for carrying out these methods.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 8, 2020
    Assignee: The Trustees of Princeton University
    Inventors: Robert H. Austin, Zhaoning Yu, Jonas O. Tegenfeldt, Stephen Y. Chou, Han Cao
  • DEVICES AND METHODS FOR PLATELET ASSAY
    Publication number: 20200254445
    Abstract: The present invention provides devices, systems, and methods, for performing biological and chemical assays.
    Type: Application
    Filed: August 1, 2018
    Publication date: August 13, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Jun Tian, Yuecheng Zhang
  • ASSAY WITH AMPLIFICATION
    Publication number: 20200225161
    Abstract: A homogeneous assay method that employs a device is provided. In some embodiments, the device contains a pair of plates that can be opened and closed. The sample is placed between two plates. In some embodiments, the thickness of the sample in a closed configuration, the concentration of labels, and amplification factor of the amplification surface are configured to make the label(s) bound on the amplification surface visible without washing away of the unbound labels.
    Type: Application
    Filed: February 8, 2018
    Publication date: July 16, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi, Ji Li
  • Analyte detection enhancement by targeted immobilization, surface amplification, and pixelated reading and analysis
    Patent number: 10656149
    Abstract: This disclosure provides, among other things, a method of sample analysis, that comprises: (a) binding target analytes to capture agents that are attached to a surface of a plate, wherein the plate comprises (i) a sensing amplification layer comprises nanostructures that enhance signals and (ii) the capture agents are attached to said sensing amplification layer; (b) reading the plate with a reading device to produce an image of signals that represent individual binding events; and (c) identifying and counting individual binding events in an area of the image, thereby providing an estimate of the amount of one or more analytes in the sample. A system for performing the method is also provided.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 19, 2020
    Assignee: THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Stephen Y. Chou, Liang-Cheng Zhou
  • Devices and methods for authenticating a sample and use of the same
    Patent number: 10628693
    Abstract: Among other things, the present invention is related to devices and methods of authenticating test samples truly from a subject that will be tested, such as blood samples or exhaled breath condensation.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 21, 2020
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding
  • OPTICS, DEVICE, AND SYSTEM FOR ASSAYING
    Publication number: 20200106932
    Abstract: The present invention provides, among other thing, devices and methods for simple, fast, and sensitive assaying, including imaging.
    Type: Application
    Filed: February 8, 2018
    Publication date: April 2, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi, Jun Tian, Wei Dong
  • QMAX ASSAY AND APPLICATIONS (II)
    Publication number: 20200103401
    Abstract: The present invention provides QMAX based devices, kits, and methods for rapid, easy to use, and/or inexpensive detection of assaying.
    Type: Application
    Filed: February 9, 2018
    Publication date: April 2, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • Device and system for analyzing a sample, particularly blood, as well as methods of using the same
    Patent number: 10605805
    Abstract: The present invention is related to the field of bio/chemical sampling, sensing, assays and applications. Particularly, the present invention is related to how to make the sampling/sensing/assay become simple to use, fast to results, highly sensitive, easy to use, using tiny sample volume (e.g. 0.5 uL or less), operated by a person without any professionals, reading by mobile-phone, or low cost, or a combination of them.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: March 31, 2020
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding
  • NUCLEIC ACID HYBRIDIZATION ASSAY
    Publication number: 20200095629
    Abstract: Provided herein is a method and device for performing a homogeneous nucleic acid detection assay. The device can contain a pair of plates where one of the plates comprises (i) surface amplification surface; and (ii) target-specific nucleic acid probes that are immobilized on said amplification surface and that specifically binds to a part of the target nucleic acid; and the second plate comprises a sample contact area comprising a reagent storage site that comprises target-specific nucleic acid detection agents that specifically binds to another part of the target nucleic acid. In some embodiments, the device can be read without a washing unbound label from the surface of the device.
    Type: Application
    Filed: February 8, 2018
    Publication date: March 26, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Yufan Zhang, Ji Li
  • RAPID SAMPLE TEMPERATURE CHANGING FOR ASSAYING
    Publication number: 20200086325
    Abstract: The present invention provides, among other things, the devices and methods that can rapidly change or cycle (i.e. heat and cool) a sample temperature with high speed, less heating energy, high energy efficiency, a compact and simplified apparatus (e.g. handheld), easy and fast operation, and/or low cost.
    Type: Application
    Filed: May 23, 2018
    Publication date: March 19, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Hua Tan
  • ASSAY WITH RAPID TEMPERATURE CHANGE
    Publication number: 20200078792
    Abstract: The present invention provides devices, systems, and methods for rapid and easy-to-use in sample thermal cycling or temperature changes for the facilitation of reactions such as but not limited to PCR.
    Type: Application
    Filed: February 15, 2018
    Publication date: March 12, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • Phone holder
    Patent number: D893469
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: August 18, 2020
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Phone holder
    Patent number: D893470
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: August 18, 2020
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay card
    Patent number: D897555
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: September 29, 2020
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay plate
    Patent number: D898221
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: October 6, 2020
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay card
    Patent number: D898222
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: October 6, 2020
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay plate with sample landing mark
    Patent number: D898224
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: October 6, 2020
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay plate with sample landing mark
    Patent number: D898939
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: October 13, 2020
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan