Patents by Inventor Guojun Chen

Guojun Chen 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: 20250237645
    Abstract: The present invention provides for methods of using kits and methods for attaching cells to a biosensor surface (5) of a biosensor (4) comprising: providing a cell suspension in a liquid receiving unit (1), wherein the cell suspension forms a surface (7) to the exterior of the liquid receiving unit (1); contacting the biosensor surface (5) with the surface (7) of the cell suspension in the liquid receiving unit (1); and allowing the cells to settle on the biosensor surface (5) by gravity, and allowing the cells to adhere to the biosensor surface (5).
    Type: Application
    Filed: January 30, 2025
    Publication date: July 24, 2025
    Inventors: Stephen FOWLER, Na Hong QIU, Guojun CHEN
  • Publication number: 20250233606
    Abstract: In some implementations, a radiofrequency down converter comprises an input port to receive a radiofrequency input signal, and the down converter includes a first bandpass filter configured to filter the input signal. The down converter includes a mixer stage coupled to the bandpass filter, the mixer stage being configured to generate a mixer output signal by processing the filtered input signal using a gain adjustment device, one or more amplifiers, and a mixer. The down converter includes a signal adjustment stage coupled to receive the mixer output signal, the signal adjustment stage comprising: a temperature compensation device configured to compensate for changes in signal gain due to changes in temperature; a second bandpass filter; a gain adjustment device; one or more amplifiers; and a low pass filter. The down converter comprises an output port coupled to output an adjusted mixer output signal from the signal adjustment stage.
    Type: Application
    Filed: January 14, 2025
    Publication date: July 17, 2025
    Inventors: Kumud Patel, Minheng Shan, Guojun Chen
  • Publication number: 20250170270
    Abstract: The present disclosure relates to unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. The disclosed compositions are useful for treating a subject with a disease or condition, such as a cardiovascular disease. In a further aspect, the cardiovascular disease can be a vascular stenosis or restenosis. Also described herein are methods of making and using the unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 29, 2025
    Inventors: K. Craig Kent, Shaoqin Gong, Lianwang Guo, Bowen Wang, Guojun Chen, Go Urabe
  • Patent number: 12239238
    Abstract: A cushion is provided, which relates to the technical field of home and outdoor patio leisure products, including a cover, a soft core, a power supply unit, a sounder, and a luminescent strip; the cover wraps around the soft core, the sounder is arranged in the soft core, and the luminescent strip is arranged inside the margin edge strip and/or a decorative edge of the side of the cover and powered by the power supply unit. The cushion has the function of helping soothing, relaxing, sleep and regulating the atmosphere, and has the characteristic of easy finding and positioning. The combination of the sounder and the luminescent strip not only enriches the functions of the cushion, but also improves the convenience of use.
    Type: Grant
    Filed: February 8, 2024
    Date of Patent: March 4, 2025
    Inventors: Guojun Chen, Wei Wei
  • Publication number: 20250064235
    Abstract: A cushion with heat preservation, cold insulation and freshness preservation functions is provided, relating to the technical field of home and outdoor patio leisure products. The cushion includes an outer cover and an inner core, as well as a containing bag located in the inner core. The bag body of the containing bag is provided with an insulation layer, and the opening of the containing bag corresponds to the first opening and closing structure of the outer cover. In outdoor camping and other scenarios, items that need heat preservation can be placed in the containing bag, which can reduce the number and volume of items needed to be carried, making them easy to carry, on the other hand, items such as food can also be insulated and kept fresh, making it convenient for users.
    Type: Application
    Filed: November 13, 2024
    Publication date: February 27, 2025
    Inventors: Guojun Chen, Wei Wei
  • Patent number: 12237856
    Abstract: In some implementations, a radiofrequency down converter comprises an input port to receive a radiofrequency input signal, and the down converter includes a first bandpass filter configured to filter the input signal. The down converter includes a mixer stage coupled to the bandpass filter, the mixer stage being configured to generate a mixer output signal by processing the filtered input signal using a gain adjustment device, one or more amplifiers, and a mixer. The down converter includes a signal adjustment stage coupled to receive the mixer output signal, the signal adjustment stage comprising: a temperature compensation device configured to compensate for changes in signal gain due to changes in temperature; a second bandpass filter; a gain adjustment device; one or more amplifiers; and a low pass filter. The down converter comprises an output port coupled to output an adjusted mixer output signal from the signal adjustment stage.
    Type: Grant
    Filed: February 13, 2024
    Date of Patent: February 25, 2025
    Assignee: Hughes Network Systems, LLC
    Inventors: Kumud Patel, Minheng Shan, Guojun Chen
  • Patent number: 12179204
    Abstract: A method of forming an integrated device includes forming a sample well within a cladding layer of a substrate; forming a sacrificial spacer layer over the substrate and into the sample well; performing a directional etch of the sacrificial spacer layer so as to form a sacrificial sidewall spacer on sidewalls of the sample well; forming, over the substrate and into the sample well, a functional layer that provides a location for attachment of a biomolecule; and removing the sacrificial spacer material.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: December 31, 2024
    Assignee: Quantum-Si Incorporated
    Inventors: Guojun Chen, James Beach, Kathren Fink Croce, Jeremy Lackey, Gerard Schmid
  • Patent number: 12161726
    Abstract: The present disclosure relates to unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. The disclosed compositions are useful for treating a subject with a disease or condition, such as a cardiovascular disease. In a further aspect, the cardiovascular disease can be a vascular stenosis or restenosis. Also described herein are methods of making and using the unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: December 10, 2024
    Assignees: Ohio State Innovation Foundation, Wisconsin Alumni Research Foundation
    Inventors: K. Craig Kent, Shaoqin Gong, Lianwang Guo, Bowen Wang, Guojun Chen, Go Urabe
  • Patent number: 12161749
    Abstract: Disclosed are compositions and methods for microneedle patches comprising copolymer designed for glucose triggered insulin delivery. In one aspect, disclosed herein are microneedle patches comprising insulin loaded copolymers; wherein the insulin dissociates from the microneedle in an hyperglycemic environment; wherein the copolymer comprises poly(N-vinylpyrrolidone-co-2-N(dimethylamino)ethyl acrylate-co-3-(acrylamido)phenylboronic acid and methods of their use.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: December 10, 2024
    Assignee: NORTH CAROLINA STATE UNIVERSITY
    Inventors: Zhen Gu, Jicheng Yu, Guojun Chen
  • Publication number: 20240348275
    Abstract: In some implementations, a radiofrequency down converter comprises an input port to receive a radiofrequency input signal, and the down converter includes a first bandpass filter configured to filter the input signal. The down converter includes a mixer stage coupled to the bandpass filter, the mixer stage being configured to generate a mixer output signal by processing the filtered input signal using a gain adjustment device, one or more amplifiers, and a mixer. The down converter includes a signal adjustment stage coupled to receive the mixer output signal, the signal adjustment stage comprising: a temperature compensation device configured to compensate for changes in signal gain due to changes in temperature; a second bandpass filter; a gain adjustment device; one or more amplifiers; and a low pass filter. The down converter comprises an output port coupled to output an adjusted mixer output signal from the signal adjustment stage.
    Type: Application
    Filed: February 13, 2024
    Publication date: October 17, 2024
    Inventors: Kumud Patel, Minheng Shan, Guojun Chen
  • Publication number: 20240209434
    Abstract: Apparatus and techniques for electrokinetic loading of samples of interest into sub-micron-scale reaction chambers are described. Embodiments include an integrated device and related apparatus for analyzing samples in parallel. The integrated device may include at least one reaction chamber formed through a surface of the integrated device and configured to receive a sample of interest, such as a molecule of nucleic acid. The integrated device may further include electrodes patterned adjacent to the reaction chamber that produce one or more electric fields that assist loading the sample into the reaction chamber. The apparatus may further include a sample reservoir having a fluid seal with the surface of the integrated device and configured to hold a suspension containing the samples.
    Type: Application
    Filed: February 2, 2024
    Publication date: June 27, 2024
    Applicant: Quantum-Si Incorporated
    Inventors: Guojun Chen, Jeremy Lackey, Alexander Goryaynov, Gerard Schmid, Ali Kabiri, Jonathan M. Rothberg, Todd Rearick, Jonathan C. Schultz, Farshid Ghasemi, Keith G. Fife
  • Publication number: 20240157395
    Abstract: Aspects of the application provide methods of producing substrates having modified surfaces. In some aspects, methods of surface modification involve treating a surface of a substrate with an organic reagent in vapor phase to form an organic layer over the surface. In some aspects, methods of forming a stable surface coating on an oxidized surface are provided.
    Type: Application
    Filed: June 13, 2023
    Publication date: May 16, 2024
    Applicant: Quantum-Si Incorporated
    Inventors: Guojun Chen, Jeremy Lackey
  • Patent number: 11932906
    Abstract: Apparatus and techniques for electrokinetic loading of samples of interest into sub-micron-scale reaction chambers are described. Embodiments include an integrated device and related apparatus for analyzing samples in parallel. The integrated device may include at least one reaction chamber formed through a surface of the integrated device and configured to receive a sample of interest, such as a molecule of nucleic acid. The integrated device may further include electrodes patterned adjacent to the reaction chamber that produce one or more electric fields that assist loading the sample into the reaction chamber. The apparatus may further include a sample reservoir having a fluid seal with the surface of the integrated device and configured to hold a suspension containing the samples.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: March 19, 2024
    Assignee: Quantum-Si Incorporated
    Inventors: Guojun Chen, Jeremy Lackey, Alexander Goryaynov, Gerard Schmid, Ali Kabiri, Jonathan M. Rothberg, Todd Rearick, Jonathan C. Schultz, Farshid Ghasemi, Keith G. Fife
  • Patent number: 11909429
    Abstract: In some implementations, a radiofrequency down converter comprises an input port to receive a radiofrequency input signal, and the down converter includes a first bandpass filter configured to filter the input signal. The down converter includes a mixer stage coupled to the bandpass filter, the mixer stage being configured to generate a mixer output signal by processing the filtered input signal using a gain adjustment device, one or more amplifiers, and a mixer. The down converter includes a signal adjustment stage coupled to receive the mixer output signal, the signal adjustment stage comprising: a temperature compensation device configured to compensate for changes in signal gain due to changes in temperature; a second bandpass filter; a gain adjustment device; one or more amplifiers; and a low pass filter. The down converter comprises an output port coupled to output an adjusted mixer output signal from the signal adjustment stage.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: February 20, 2024
    Assignee: Hughes Network Systems, LLC
    Inventors: Kumud Patel, Minheng Shan, Guojun Chen
  • Publication number: 20230346972
    Abstract: The present disclosure relates to unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. The disclosed compositions are useful for treating a subject with a disease or condition, such as a cardiovascular disease. In a further aspect, the cardiovascular disease can be a vascular stenosis or restenosis. Also described herein are methods of making and using the unimolecular core-shell nanoparticle, nanoclusters thereof, and platelet biomimetic nanoclusters thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
    Type: Application
    Filed: September 16, 2022
    Publication date: November 2, 2023
    Inventors: K. Craig Kent, Shaoqin Gong, Lianwang Guo, Bowen Wang, Guojun Chen, Go Urabe
  • Patent number: D1017921
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: March 12, 2024
    Inventor: Guojun Chen
  • Patent number: D1044267
    Type: Grant
    Filed: March 13, 2024
    Date of Patent: October 1, 2024
    Inventors: Guojun Chen, Wei Wei
  • Patent number: D1048714
    Type: Grant
    Filed: May 21, 2024
    Date of Patent: October 29, 2024
    Inventors: Guojun Chen, Wei Wei
  • Patent number: D1050630
    Type: Grant
    Filed: May 10, 2024
    Date of Patent: November 5, 2024
    Inventor: Guojun Chen
  • Patent number: D1070198
    Type: Grant
    Filed: September 18, 2024
    Date of Patent: April 8, 2025
    Inventor: Guojun Chen