Patents Assigned to University of Minnesota
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Patent number: 11883148Abstract: A system and method for performing magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), or magnetic resonance spectroscopy imaging (MRSI) at multiple resonant frequencies using a coil system. The coil system includes at least one conductive loop and a capacitor forming a radiofrequency (RF) resonant antenna and a tuning-matching circuit electrically connected to the RF resonant antenna to operate at multiple resonant frequencies across a desired operational range. The coil system also includes two legs electrically connecting the tuning-matching circuit to the RF resonant antenna and having a length selected to generate at least two selected resonant frequencies with a selected frequency difference.Type: GrantFiled: July 25, 2022Date of Patent: January 30, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Wei Chen, Guangle Zhang, Wei Zhu, Xiao-Hong Zhu
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Patent number: 11883273Abstract: A vascular implant for an endoluminal stent or blood vessel, the stent or blood vessel defining a lumen for the passage of blood. The liner can comprise a flexible bladder arrangeable within the lumen, which can be fillable with a compressible fluid. The liner can define an inner lumen for the passage of blood. The liner and the fluid are conformable in response to a pulsatile pressure wave of the blood in the blood vessel such that the pressure within the blood vessel is reduced.Type: GrantFiled: April 27, 2018Date of Patent: January 30, 2024Assignee: Regents of the University of MinnesotaInventors: Rumi Faizer, Victor Barocas, Filippo Coletti, Shannen B. Kizilski, Ankurita Datta, Omid Amili
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Publication number: 20240027978Abstract: A computer-implemented method for predicting external resistive forces encountered by an industrial machine includes (a) predicting by a first model a resistive force applied to an industrial machine from an external material using previously collected sensor data, (b) predicting by a second model that is different from the first model an error of the resistive force predicted by the first model using the previously collected sensor data and the resistive force predicted by the first model, and (c) determining a corrected prediction of the resistive force by combining the resistive force predicted by the first model with the error predicted by the second model.Type: ApplicationFiled: July 19, 2023Publication date: January 25, 2024Applicants: The Texas A&M University System, Regents of the University of MinnesotaInventors: Xingyong Song, Sencheng Yu, Zongxuan Sun
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Publication number: 20240026292Abstract: The present invention provides genetically modified lymphocyte with reduced cytotoxicity. Also provided are methods of using these genetically modified lymphocytes to deliver cargo molecules to a target cell.Type: ApplicationFiled: September 9, 2021Publication date: January 25, 2024Applicant: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Branden MORIARITY, Beau WEBBER, Emily POMEROY
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Publication number: 20240017069Abstract: A method for controlling flexible behavior by stimulating a plurality of brain regions of a subject that includes receiving signals from a source region of the subject's brain, determining at least one signal indicative of out-of-range behavioral inflexibility from the source region in a predetermined frequency band and delivering at least one stimulation pulse to at least one target region of the subject's brain based on the at least one signal.Type: ApplicationFiled: October 28, 2021Publication date: January 18, 2024Applicant: REGENTS OF THE UNIVERSITY OF MINNESOTAInventor: Alik Widge
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Patent number: 11875272Abstract: Compute engine circuitry configured to represent a spin network mapping of a graph representing a combinatorial optimization problem includes a plurality of ring oscillator cells, each of which includes a ring oscillator having an oscillator output, at least one coupling block, and a read block. Each coupling block connects the ring oscillator of the cell to the ring oscillator of one of a plurality of neighboring cells to form a coupled ring oscillator. The read block generates a state output for each coupled ring oscillator that indicates whether the coupled ring oscillator is in one of a same-phase state, in which the connected ring oscillators oscillate in phase with each other, and an opposite-phase state, in which the connected ring oscillators oscillate in an opposite phase from each other. A controller is configured to output a total energy of the mapping based on the state outputs.Type: GrantFiled: March 26, 2021Date of Patent: January 16, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Hyung-il Kim, Ibrahim Ahmed, Po-wei Chiu
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Patent number: 11873227Abstract: Embodiments of the disclosure provide an apparatus and process for producing ammonia. The apparatus includes a reactor having (i) an inlet to receive an inlet gas comprising nitrogen and hydrogen, (ii) a catalyst and an absorbent disposed within an internal volume of the reactor, the catalyst configured to convert the nitrogen and hydrogen to a reaction mixture including ammonia, unreacted nitrogen, and unreacted hydrogen, the absorbent configured to selectively absorb a portion of the ammonia in the reactor during formation of the reaction mixture, and (iii) an outlet to discharge the reaction mixture from the reactor.Type: GrantFiled: April 15, 2020Date of Patent: January 16, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Edward Cussler, Alon McCormick, Michael Reese, Deepak Ojha, Matt Kale, Paul Dauenhauer, Prodromos Daoutidis, Mohammadmahdi Malmali
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Patent number: 11875934Abstract: The disclosure is directed to an iron-nitride material having a polycrystalline microstructure including a plurality of elongated crystallographic grains with grain boundaries, the iron-nitride material including at least one of an ??-Fe16N2 phase and a body-center-tetragonal (bct) phase comprising Fe and N. The disclosure is also directed a method producing an iron-nitride material.Type: GrantFiled: May 28, 2019Date of Patent: January 16, 2024Assignee: Regents of the University of MinnesotaInventors: Jian-Ping Wang, Md Mehedi, YanFeng Jiang, Bin Ma, Delin Zhang, Fan Zhang, Jinming Liu
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Patent number: 11872583Abstract: A nozzle assembly including a primary tube and an outer housing, and configured to generate a counterflowing stream to break up another fluid into small droplets.Type: GrantFiled: June 13, 2019Date of Patent: January 16, 2024Assignee: Regents of the University of MinnesotaInventors: Paul John Strykowski, Alison Hoxie, Vinod Srinivasan
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Publication number: 20240011776Abstract: Localization and navigation systems and techniques are described. An electronic device comprises a processor configured to maintain a state vector storing estimates for a position of the electronic device at poses along a trajectory within an environment along with estimates for positions for one or more features within the environment. The processor computes, from the image data, one or more constraints based on features observed from multiple poses of the electronic device along the trajectory, and computes updated state estimates for the position of the electronic device in accordance with the motion data and the one or more computed constraints without computing updated state estimates for the features for which the one or more constraints were computed.Type: ApplicationFiled: October 31, 2022Publication date: January 11, 2024Applicant: Regents of the University of MinnesotaInventors: Stergios I. Roumeliotis, Anastasios I. Mourikis
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Patent number: 11866687Abstract: Techniques are described for automated microinjection of substances, such as genetic material, into single cells in tissue samples. An example system comprises a robotic manipulator apparatus configured to hold and position a micropipette. Furthermore, the system comprises a microscope camera positioned to observe an injection site. A computing device receives image data from a microscope camera of the system, where the image data represents an image of a tissue sample. The computing device receives, via a user interface, an indication of a line traced by a user on the image of a tissue sample. In response, the computing device controls the robotic manipulator apparatus to move a tip of the micropipette along a path defined by the trajectory line. The pressure controller injects a gas into the micropipette to eject a substance out of the micropipette at one or more points along the path defined by the trajectory line.Type: GrantFiled: September 6, 2018Date of Patent: January 9, 2024Assignee: Regents of the University of MinnesotaInventors: Suhasa Kodandaramaiah, Elena Taverna, Gabriella Shull, Wieland Huttner
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Patent number: 11869350Abstract: A computer system includes a memory and a processor. The processor executes instructions to perform steps that include receiving a message from an asset tracking device, the message comprising position information for the asset tracking device and a traffic control device type for a traffic control device that the asset tracking device is attached to. The processor uses the received message to determine a road that the traffic control device is positioned on and a location of the traffic control device along the road.Type: GrantFiled: November 30, 2021Date of Patent: January 9, 2024Assignee: Regents of the University of MinnesotaInventors: John Hourdos, Gordon Parikh
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Patent number: 11866793Abstract: The present invention provides methods and kits for identifying Amaranthus palmeri plant material using genetic markers. The methods may be used to determine whether a sample contains Amaranthus palmeri plant material or to genotype an Amaranthus plant.Type: GrantFiled: March 26, 2021Date of Patent: January 9, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Anthony Brusa, Kevin Dorn
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Patent number: 11867596Abstract: Embodiments include chemical sensors, devices and systems including the same, and related methods. In an embodiment, a medical device is provided. The medical device can include a graphene varactor, including a graphene layer and a self-assembled monolayer disposed on an outer surface of the graphene layer through electrostatic interactions between a partial positive charge on hydrogen atoms of one or more hydrocarbons of the self-assembled monolayer and a ?-electron system of graphene. The self-assembled monolayer can include one or more substituted porphyrins or substituted metalloporphyrins, or derivatives thereof. Other embodiments are also included herein.Type: GrantFiled: March 29, 2022Date of Patent: January 9, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Xue Zhen, Philippe Pierre Joseph Buhlmann, Steven J. Koester, Justin Theodore Nelson
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Patent number: 11865357Abstract: A light treatment device includes a stacked structure for applying a light treatment to a patient's skin. The stacked structure includes a light source configured to emit treatment light, and a light diffusing layer. The light diffusing layer is configured to receive the emitted treatment light, diffuse the treatment light, and output diffused treatment light.Type: GrantFiled: November 4, 2020Date of Patent: January 9, 2024Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Steven S. Saliterman, Jennifer Chmura, Brett Levac, Jerry Molitor, James Kerber, Kushal Sehgal
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Patent number: 11857801Abstract: Disclosed herein are various brain injury treatment systems, including various light delivery systems and devices. The various systems include a light delivery device that can be a headpiece or headgear having at least one light array disposed therein and a controller coupled to the at least one light array.Type: GrantFiled: April 29, 2019Date of Patent: January 2, 2024Assignees: REGENTS OF THE UNIVERSITY OF MINNESOTA, AURORA CONCUSSION THERAPY SYSTEMSInventors: Doug Devens, Kevin Goodwin, Shannon Smith Williamson, Geoff Daniel
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Patent number: 11859213Abstract: Provided herein are method to increase the efficiency of interspecies chimera generation.Type: GrantFiled: May 18, 2020Date of Patent: January 2, 2024Assignee: Regents of the University of MinnesotaInventors: Daniel J. Garry, Mary G. Garry, Geunho Maeng, Ohad Gafni
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Patent number: 11859271Abstract: An example composition may include a plurality of grains including an iron nitride phase. The plurality of grains may have an average grain size between about 10 nm and about 200 nm. An example technique may include treating a composition including a plurality of grains including an iron-based phase to adjust an average grain size of the plurality of grains to between about 20 nm and about 100 nm. The example technique may include nitriding the plurality of grains to form or grow an iron nitride phase.Type: GrantFiled: May 4, 2018Date of Patent: January 2, 2024Assignee: Regents of the University of MinnesotaInventors: Jian-Ping Wang, YanFeng Jiang, Md Mehedi, Yiming Wu, Bin Ma, Jinming Liu, Delin Zhang
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Publication number: 20230414089Abstract: Devices and Expert Systems for Intubation and Bronchoscopy incorporating a robotic scope and a self-learning neural network via a processing chip in the handle of the device. Sensors in a distal portion of the robotic scope provide input to the processing chip that determines future policies according to the current data received and past data stored. The distal portion of the device is directed to a target by a robotic scope directed by the processing chip.Type: ApplicationFiled: November 8, 2021Publication date: December 28, 2023Applicant: REGENTS OF THE UNIVERSITY OF MINNESOTAInventors: Litty JOHN, Tjorvi PERRY, Abhimanyu KUMAR
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Patent number: 11850568Abstract: Method of preparing a selenium nanomaterial and selenium nanomaterial articles. The method may include forming a saccharide coating on a surface of a solid support material, treating the solid support material having the saccharide coating on the surface with a selenous acid solution, and heating the solid support material to form the selenium nanomaterial on the surface of the solid porous support material. The saccharide may include a monosaccharide, a disaccharide, or a polysaccharide, or a combination thereof, such as sucrose, or fructose, or a combination thereof.Type: GrantFiled: July 8, 2021Date of Patent: December 26, 2023Assignee: Regents of the University of MinnesotaInventors: Abdennour Abbas, Snober Ahmed