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).

  • Homogeneous Assay
    Publication number: 20210140957
    Abstract: Among other things, the present invention is related to devices and methods of performing biological and chemical assays, such as but not limited to immunoassays and nucleic assay acid, particularly the homogeneous assay that does not use the step of wash and that is fast (e.g. 60 seconds from dropping a sample to displaying results).
    Type: Application
    Filed: June 12, 2018
    Publication date: May 13, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Li, Ji Qi, Jun Tian
  • MOLECULAR MANIPULATION AND ASSAY WITH CONTROLLED TEMPERATURE (II)
    Publication number: 20210138474
    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: January 15, 2021
    Publication date: May 13, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Hua Tan
  • Optics, device, and system for assaying
    Patent number: 10972641
    Abstract: The present invention provides, among other thing, devices and methods for simple, fast, and sensitive assaying, including imaging.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: April 6, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi, Jun Tian, Wei Dong
  • Assay with textured surface
    Patent number: 10966634
    Abstract: Among other thing, the present invention provides solution to the problem, particularly, the present invention certain surfaces and certain sample holder to improve the sensitivity, speed, and easy-to-use of an optical signal based assays, such as colorimetric assays or fluorescence assays.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: April 6, 2021
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • Bio/chemical assay devices and methods for simplified steps, small samples, accelerated speed, and ease-of-use
    Patent number: 10948389
    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: March 17, 2019
    Date of Patent: March 16, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding
  • COMPRESSED OPEN FLOW ASSAY AND USE
    Publication number: 20210072122
    Abstract: The present invention relates to the methods, devices, and systems that make bio/chemical sensing (including, not limited to, immunoassay, nucleic assay, electrolyte analysis, etc.) faster, more sensitive, less steps, easy to perform, smaller amount of samples required, less or reduced (or no) needs for professional assistance, and/or lower cost, than many current sensing methods and devices. The present invention also allow a test performed by a smartphone.
    Type: Application
    Filed: February 7, 2018
    Publication date: March 11, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. CHOU, Wei DING, Ji QI, Yufan ZHANG
  • Molecular manipulation and assay with controlled temperature (II)
    Patent number: 10926265
    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: Grant
    Filed: April 23, 2018
    Date of Patent: February 23, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Hua Tan
  • ASSAY WITH TEXTURED SURFACE
    Publication number: 20210045658
    Abstract: Among other thing, the present invention provides solution to the problem, particularly, the present invention certain surfaces and certain sample holder to improve the sensitivity, speed, and easy-to-use of an optical signal based assays, such as colorimetric assays or fluorescence assays.
    Type: Application
    Filed: September 9, 2020
    Publication date: February 18, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • RAPID VAPOR CONDENSATE COLLECTION AND ANALYSIS
    Publication number: 20210041416
    Abstract: The present invention is related to the field of bio/chemical sensing, assays and applications. Particularly, the present invention is related to collecting a small amount of a vapor condensate sample (e.g. the exhaled breath condensate (EBC) from a subject of a volume as small as 10 fL (femto-Liter) in a single drop), preventing or significantly reducing an evaporation of the collected vapor condensate sample, analyzing the sample, analyzing the sample by mobile-phone, and performing such collection and analysis by a person without any professionals.
    Type: Application
    Filed: October 6, 2020
    Publication date: February 11, 2021
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. CHOU, Wei DING
  • Q-MAX CARD-BASED ASSAY DEVICES AND METHODS
    Publication number: 20200406254
    Abstract: Among other things, the present invention is related to devices and methods of performing biological and chemical assays, devices and methods of performing a biological and chemical extraction from a liquid, and performing assays, such as but not limited to immunoassays and nucleic acid assays.
    Type: Application
    Filed: February 13, 2018
    Publication date: December 31, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • DEVICES AND METHODS FOR EXAMINING DRUG EFFECTS ON MICROORGANISMS
    Publication number: 20200399675
    Abstract: The present invention provides devices, systems, and methods, for performing biological and chemical assays.
    Type: Application
    Filed: August 1, 2018
    Publication date: December 24, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. CHOU, Wei DING
  • ASSAY SAMPLE CARDS AND ADAPTORS AND USE OF THE SAME
    Publication number: 20200384462
    Abstract: Among other things, the present invention is related to devices and methods of sample holders that facilitate biological and chemical assays, and use of the same. Particularly, the present invention is related to an assay sample hold (also termed “card”) that comprises two plates that are movable relative to each other and that can sandwich a sample between the two plates. One objective of the present invention is to provide sample holders that are easy to separate them when the plates are stacked two plates, easy to handle by one hand while loading a sample, easy to fabricate, and/or low in cost. Another objective of the present invention is to ensure the two plates stay together when they are insert into a slot of an adaptor for analyzing the sample sandwiched between the two plates.
    Type: Application
    Filed: June 10, 2019
    Publication date: December 10, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi
  • MOLECULAR MANIPULATION AND ASSAY WITH CONTROLLED TEMPERATURE (II)
    Publication number: 20200376493
    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: April 23, 2018
    Publication date: December 3, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Hua Tan
  • SAMPLE COLLECTION, HOLDING AND ASSAYING
    Publication number: 20200363409
    Abstract: The present invention provides devices, systems, and methods, for performing biological and chemical assays.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 19, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Li, Yufan Zhang
  • Device and system for collecting and analyzing vapor condensate, particularly exhaled breath condensate, as well as method of using the same
    Patent number: 10830761
    Abstract: The present invention is related to the field of bio/chemical sensing, assays and applications. Particularly, the present invention is related to collecting a small amount of a vapor condensate sample (e.g. the exhaled breath condensate (EBC) from a subject of a volume as small as 10 fL (femto-Liter) in a single drop), preventing or significantly reducing an evaporation of the collected vapor condensate sample, analyzing the sample, analyzing the sample by mobile-phone, and performing such collection and analysis by a person without any professionals.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: November 10, 2020
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding
  • Sample collection and handling for delayed analysis
    Patent number: 10823645
    Abstract: The present invention provides, among other things, devices, methods and applications of collecting, preserving, transporting, and analyzing tiny body fluids which have targeted biomarkers.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: November 3, 2020
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Yufan Zhang, Ji Qi
  • ASSAYS WITH REDUCED INTERFERENCE
    Publication number: 20200333322
    Abstract: The present invention provides devices, systems, and methods, for performing biological and chemical assays.
    Type: Application
    Filed: July 31, 2018
    Publication date: October 22, 2020
    Applicant: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding
  • Assay plate with sample landing mark
    Patent number: D910202
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: February 9, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay plate with sample landing mark
    Patent number: D910203
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: February 9, 2021
    Assignee: Essenlix Corporation
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan
  • Assay plate
    Patent number: D912842
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 9, 2021
    Assignee: ESSENLIX CORPORATION
    Inventors: Stephen Y. Chou, Wei Ding, Ji Qi, Hua Tan