Patents Assigned to University of Virginia Patent Foundation
  • Patent number: 10482210
    Abstract: A virtual force controlled collapse chip connection (C4) pad placement optimization frame-work for 2D power delivery grids is proposed. The present optimization framework regards power pads as mobile “positive charged particles” and current resources as a “negative charged back-ground.” The virtual electrostatic force is calculated from voltage gradients. This optimization framework optimizes pad locations by moving pads according to the virtual forces exerted on them by other pads and current sources in the system. Within this framework, three algorithms are proposed to meet various requirements of optimization quality and speed. These algorithms minimize resistive voltage drop (IR drop), the maximum current density, and power distribution network metal power dissipation at the same time.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: November 19, 2019
    Assignee: University of Virginia Patent Foundation
    Inventors: Ke Wang, Kevin Skadron, Mircea R. Stan, Runjie Zhang, Brett Meyer
  • Patent number: 10479800
    Abstract: The present invention encompasses the use of compounds for a novel approach to treat and prevent diseases, conditions, and disorders such as diabetes and ischemic reperfusion injury. Compounds of the invention, including but not limited to BAM15 ((2-fluorophenyl){6-[(2-fluorophenyl)amino](1,2,5-oxadiazolo[3,4-e]pyrazin-5-yl)}amine), a mitochondrial uncoupler, can improve glucose tolerance, increases cellular oxygen consumption, treat or prevent kidney ischemia reperfusion injury reverse insulin resistance, reverse or treat hyperinsulinemia, and reverse or treat hyperlipidemia. The present invention further provides novel compounds as well as methods for identifying compounds with the same or similar properties as BAM15.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: November 19, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Kyle Hoehn, Brandon Kenwood
  • Patent number: 10474690
    Abstract: The present invention introduces the development of a flexible CPU-AP (Computer Processing Unit-Automata Processor) computing infrastructure for mining hierarchical patterns based on Apriori algorithm. A novel automaton design strategy, called linear design, is described to generate automata for matching and counting hierarchical patterns and apply it on SPM (Sequential Pattern Mining). In addition, another novel automaton design strategy, called reduction design, is described for the disjunctive rule matching (DRM) and counting. The present invention shows performance improvement of AP SPM and DRM solutions and broader capability over multicore and GPU (Graphics Processing Unit) implementations of GSP SPM, and shows that AP SPM and DRM solutions outperform state-of-the-art SPM algorithms SPADE and PrefixSpan (especially for larger datasets).
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 12, 2019
    Assignee: University of Virginia Patent Foundation
    Inventors: Ke Wang, Kevin Skadron, Elaheh Sadredini
  • Patent number: 10463789
    Abstract: A technique for treating diabetes that recognizes patient insulin sensitivity is a time-varying physiological parameter. The described techniques for treating diabetes include measuring interstitial fluid glucose concentration, reading insulin delivery data, determining patient insulin sensitivity based on the interstitial fluid glucose concentration and insulin delivery data, and a time-varying physiological parameter, and dispensing an insulin dose from an insulin delivery device based on the determined patient insulin sensitivity.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: November 5, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Marc D. Breton, Boyi Jiang, Chiara Fabris
  • Patent number: 10456086
    Abstract: A system, method and non-transient computer readable medium for predicting hypoglycemic risk in patients with diabetes following moderate exercise. A system may include a digital processor; and an exercise module configured to generate a hypoglycemia risk signal with a hypoglycemia prediction algorithm and to determine a hypoglycemia risk state with a classifier algorithm that classifies the hypoglycemia risk signal to identify an actionable hypoglycemia risk state based on a predefined threshold.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: October 29, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Marc D. Breton, Najib Ben-Brahim
  • Patent number: 10450259
    Abstract: Embodiments of the present disclosure provide for methods of hydrocarbon functionalization, methods and systems for converting a hydrocarbon into a compound including at least one group ((e.g., hydroxyl group) (e.g., methane to methanol)), functionalized hydrocarbons, and the like. Systems and methods as described herein can utilize photocatalysis.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 22, 2019
    Assignees: University of Virginia Patent Foundation, The Trustees of Princeton University
    Inventors: Thomas Brent Gunnoe, George Fortman, Nicholas C. Boaz, John T. Groves
  • Patent number: 10453555
    Abstract: Regulated changes in gene expression underlie many biological processes, but globally profiling cell-to-cell variations in transcriptional regulation is problematic when measuring single cells. Transcriptome-wide identification of regulatory heterogeneities can be robustly achieved by randomly collecting small numbers of cells followed by statistical analysis. However, this stochastic-profiling approach blurs out the expression states of the individual cells in each pooled sample. Various aspects of the disclosure show that the underlying distribution of single-cell regulatory states can be deconvolved from stochastic-profiling data through maximum-likelihood inference. Guided by the mechanisms of transcriptional regulation, the disclosure provides mixture models for cell-to-cell regulatory heterogeneity which result in likelihood functions to infer model parameters.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: October 22, 2019
    Assignee: University of Virginia Patent Foundation
    Inventors: Kevin Janes, Sameer Bajikar, Fabian Theis, Christiane Fuchs
  • Patent number: 10452370
    Abstract: According to some illustrative embodiments of the invention, a method is performed that includes using a representation of a computer software program, using identified addresses which correspond to a part of the representation, and converting the representation into a created binary program, which includes reserving spaces at the identified addresses in the created binary program's address space at the same addresses as the identified addresses in the representation.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: October 22, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Jack W. Davidson, Clark Lynch Coleman, Jason D. Hiser, Anh Nguyen-Tuong
  • Patent number: 10446329
    Abstract: A flexible electrode comprises an activated cotton textile composite comprising activated carbon fibers, nickel sulfide nanoparticles and graphene and a process for making the flexible electrode. The process may comprise preparing a cotton textile containing Ni(NO3)2. Then, the cotton textile containing Ni(NO3)2 may be heated at a first temperature to produce an activated cotton textile composite comprising activated carbon fibers, nickel nanoparticles and graphene. The activated cotton textile composite may be then treated with sulfur to produce an activated cotton textile composite comprising activated carbon fibers, nickel sulfide nanoparticles and graphene. The nickel sulfide particles may be NiS2 nanoparticles in a form of nanobowls, and distributed on a surface and inside the activated carbon fibers. The activated carbon fibers and the nickel sulfide nanoparticles may be coated with graphene.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: October 15, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Xiaodong Li, Zan Gao, Yunya Zhang
  • Patent number: 10445323
    Abstract: The present invention discloses a heterogeneous computation framework, of Association. Rule Mining (ARM) using Micron's Autotmata Processor (AP). This framework is based on the Apriori algorithm. Two Automaton designs are proposed to match and count the individual itemset. Several performance improvement strategies are proposed including minimizing the number of reporting vectors and reduce reconfiguration delays. The experiment results show up to 94× speed ups of the proposed AP-accelerated Apriori on six synthetic and real-world datasets, when compared with the Apriori single-core CPU implementation. The proposed AP-accelerated Apriori solution also outperforms the state-of-the-art multicore and GPU implementations of Equivalence Class Transformation (Eclat) algorithm on big datasets.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 15, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Ke Wang, Kevin Skadron
  • Publication number: 20190307488
    Abstract: A method and apparatus for performing electrocautery on a site of a subject that includes inserting a trocar device into the location of the site of the subject and electro-cauterizing the site of the subject using a diode included with the trocar device. A method and apparatus for performing electrocautery on a site of a subject that includes inserting one or more medical tubes or medical instruments or devices that extends through an expandable sheath; and electro-cauterizing the site of the subject using a diode included with the expandable sheath device.
    Type: Application
    Filed: June 9, 2017
    Publication date: October 10, 2019
    Applicant: University of Virginia Patent Foundation
    Inventors: Gorav AILAWADI, James Hunter MEHAFFEY
  • Patent number: 10438700
    Abstract: Time-varying hyperglycemic stresses are derived from actual ICU patients and applied to non-critically ill virtual patients, using any model of normal glucose-insulin physiology that fulfills certain requirements, in order to model and simulate stress hyperglycemia. Other aspects provide: 1) a methodology to perform sensitivity analyses of the parameters of ICU insulin infusion therapy protocols and to improve the protocols; and 2) a training system for clinicians about the course and management of stress hyperglycemia in the ICU or other facility.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: October 8, 2019
    Assignee: University of Virginia Patent Foundation
    Inventors: Edward A. Ortiz, Stephen D. Patek, Marc D. Breton, Leon S. Farhi, Boris P. Kovatchev
  • Patent number: 10426330
    Abstract: System and method directed towards providing full and even illumination of a patient's retina through lighting integrated into a handheld fundus lens. By integrating the lighting, the method and system reduces and even eliminate many lens artifacts and reflections. By increasing the accuracy, quality, and field of view afforded during clinical examination of the retina, the method and system will allow practitioners to make more accurate diagnoses and will increase safety during retinal surgical procedures.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 1, 2019
    Assignee: University of Virginia Patent Foundation
    Inventor: Paul Andrew Yates
  • Patent number: 10431342
    Abstract: A method, system and related computer program product for tracking the probability of hypoglycemia from routine self-monitoring of blood glucose (SMBG) data in patients with diabetes. A specific bivariate probability distribution of low BG events based jointly on the Low BG Index (LBGI) and the Average Daily Risk Range (ADRR) is used to predict hypoglycemia probability of occurrence from inputted SMBG data. The SMBG data is retrieved from a series of SMBG data of a patient available from the patient's glucose meter and allows tracking of the probability for future hypoglycemia over a predetermined duration, e.g., a 24 or 48 hour period. The tracking includes presentation of visual and/or numerical output, as we construction of hypoglycemia risk trajectories that would enable warning messages for crossing of predefined thresholds, such as 50% likelihood for upcoming hypoglycemia below 50 mg/dl.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: October 1, 2019
    Assignee: University of Virginia Patent Foundation
    Inventors: Boris P. Kovatchev, Marc D. Breton
  • Publication number: 20190290732
    Abstract: Clostridium difficile infection is the leading cause of hospital acquired antibiotic-associated diarrhea in the US (Bartlett, in 2006). The increased prevalence of circulating C. difficile strains poses a significant health threat to US health care facilities. Strains expressing the toxin C. difficile Transferase (CDT), in addition to Toxins A and B (TcdA and TcdB), are more virulent and are associated with higher mortality rates (Bacci et al., 2011). We recently identified a protective role for eosinophils against C. difficile pathogenesis (Buonomo et al., 2016). We have also defined CDT's ability to increase host inflammation and suppress protective eosinophils through a TLR2 dependent mechanism (Cowardin et al., 2016). How CDT promotes virulence and eosinophil suppression via TLR2 is still under investigation.
    Type: Application
    Filed: July 25, 2017
    Publication date: September 26, 2019
    Applicant: University of Virginia Patent Foundation
    Inventors: Alyse Longtin Frisbee, William A. Petri, Jr.
  • Patent number: 10425040
    Abstract: An integrated frequency quadruplet consists of a pair of balanced frequency doublers that are driven in phase quadrature using a hybrid coupler. This approach results, effectively, in a “unilateral” multiplier that presents a match to the input-driving source, irrespective of the impedance of the doubler stages. The present invention applies this architecture to implement an integrated frequency quadruplet with output frequency of 160 GHz using quasi vertical GaAs varactors fabricated on thin silicon support membranes. The quadruplet has a balanced circuit architecture that addresses degradation issues often arising from impedance mis-matches between multiplier stages. A unique quasi-vertical diode process is used to implement the quadruplet, resulting in an integrated drop-in chip module that incorporates 18 varactors, matching networks and beamleads for mounting. The chip is tailored to fit a multiplier waveguide housing resulting in high reproducibility and consistency in manufacture and performance.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: September 24, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Naser Alijabbari, Robert M. Weikle, II, Matthew Bauwens
  • Patent number: 10420489
    Abstract: A structure, method, and computer program product for a diabetes control system provides, but is not limited thereto, the following: open-loop or closed-loop control of diabetes that adapts to individual physiologic characteristics and to the behavioral profile of each person. An exemplary aspect to this adaptation is biosystem (patient or subject) observation and modular control. Consequently, established is the fundamental architecture and the principal components for a modular system, which may include algorithmic observers of patients' behavior and metabolic state, as well as interacting control modules responsible for basal rate, insulin boluses, and hypoglycemia prevention.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: September 24, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Boris P. Kovatchev, Stephen D. Patek, Marc D. Breton
  • Publication number: 20190282616
    Abstract: Professional phagocytes (such as macrophages) and non-professional phagocytes (such as epithelial cells) clear billions of apoptotic cells and particles on a daily basis. Since these phagocytes reside in proximity in most tissues, whether cross-communication exists between them during cell clearance, and how this might impact inflammation are not known. Here, we show that macrophages, via the release of a soluble growth factor and microvesicles, redirect the type of particles engulfed by non-professional phagocytes and influence their inflammatory response. During apoptotic cell engulfment or in response to inflammation-associated cytokines, macrophages released insulin-like growth factor 1 (IGF-1). The binding of IGF-1 to its receptor on non-professional phagocytes redirected their phagocytosis, such that uptake of larger apoptotic cells was dampened while engulfment of microvesicles was enhanced. Macrophages were refractory to this IGF-1 mediated engulfment modulation.
    Type: Application
    Filed: November 3, 2017
    Publication date: September 19, 2019
    Applicant: University of Virginia Patent Foundation
    Inventors: Kodimangalam S. Ravichandran, Claudia Zhuyun Han
  • Patent number: 10418304
    Abstract: Ion implantation can be used to define a thermal dissipation path that allows for better thermal isolation between devices in close proximity on a microelectronics chip, thus providing a means for higher device density combined with better performance.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: September 17, 2019
    Assignees: National Technology & Engineering Solutions of Sandia, LLC, University of Virginia Patent Foundation
    Inventors: Thomas Edwin Beechem, III, Khalid Mikhiel Hattar, Jon Ihlefeld, Edward S. Piekos, Douglas L. Medlin, Luke Yates, Patrick E. Hopkins
  • Patent number: 10417367
    Abstract: Transient voltage noise, including resistive and reactive noise, causes timing errors at runtime. A heuristic framework, Walking Pads, is introduced to minimize transient voltage violations by optimizing power supply pad placement. It is shown that the steady-state optimal design point differs from the transient optimum, and further noise reduction can be achieved with transient optimization. The methodology significantly reduces voltage violations by balancing the average transient voltage noise of the four branches at each pad site. When pad placement is optimized using a representative stressmark, voltage violations are reduced 46-80% across 11 Parsec benchmarks with respect to the results from IR-drop-optimized pad placement. It is shown that the allocation of on-chip decoupling capacitance significantly influences the optimal locations of pads.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: September 17, 2019
    Assignee: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Ke Wang, Kevin Skadron, Mircea R. Stan, Runjie Zhang