Patents Assigned to University of Sheffield
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Patent number: 9216221Abstract: We disclose a diagnostic test to determine suitable therapeutic intervention of subjects suffering from subclinical Cushing's syndrome [SCS] and also agents that antagonize the action of cortisol or inhibit excess cortisol production in the treatment of conditions such as SCS in the presence of an adrenal incidentaloma.Type: GrantFiled: November 7, 2008Date of Patent: December 22, 2015Assignee: University of SheffieldInventor: John Newell-Price
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Patent number: 9087889Abstract: A semiconductor device comprises three semiconductor layers. The semiconductor layers are arranged to form a 2DHG and a 2DEG separated by a polarization layer. The device comprises a plurality of electrodes: first and second electrodes electrically connected to the 2DHG so that current can flow between them via the 2DHG and a third electrode electrically connected to the 2DEG so that when a positive voltage is applied to the third electrode, with respect to at least one of the other electrodes, the 2DEG and the 2DHG will be at least partially depleted.Type: GrantFiled: June 7, 2011Date of Patent: July 21, 2015Assignee: The University of SheffieldInventors: Akira Nakajima, Sankara Narayanan Ekkanath Madathil
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Patent number: 9046874Abstract: A light beam collimated by illumination optics (4) from a radiation source (6) illuminates the surface of a wave front modulator (8) such as an Spatial Light Modulator (SLM) or Computer Generated Hologram photomask (CGH). The resulting wave travels via projection optics (10) to the substrate (12), passing through a projection lens assembly (14). The SLM (8) is programmed or CGH configured with a modulation pattern that is determined by the substrate (12) topography and desired pattern. The substrate topography is provided by Digital Holography (DH) surface profilometery performed by a DH microscope (18), which provides geometrical or topographical input to the CGH calculation routines (16). An arrangement for vertical or sloping surface patterning has a grating (22) superimposed onto the CGH pattern (24) to generate +1 and ?1 orders.Type: GrantFiled: July 30, 2009Date of Patent: June 2, 2015Assignees: University of Durham, University of SheffieldInventors: Peter Anthony Ivey, Richard Peter McWilliam, Alan Purvis, Gavin Lewis Williams, Nicholas Luke Seed, Richard Ian Curry, Jose Juan De Jesus Toriz-Garcia
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Publication number: 20140322254Abstract: The disclosure relates to an adjuvant polypeptide effective at enhancing the immune response to an antigen crosslinked to the adjuvant polypeptide.Type: ApplicationFiled: November 30, 2012Publication date: October 30, 2014Applicant: University of SheffieldInventors: Jon Sayers, Peter Arymiuk, Andrew Heath
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Use of RNAI inhibiting PARP activity for the manufacture of a medicament for the treatment of cancer
Patent number: 8859562Abstract: The present invention relates to the use of an agent that inhibits the activity of an enzyme that mediates repair of a DNA strand break in the manufacture of a medicament for the treatment of diseases caused by a defect in a gene that mediates homologous recombination.Type: GrantFiled: July 23, 2004Date of Patent: October 14, 2014Assignee: The University of SheffieldInventor: Thomas Helleday -
Patent number: 8785976Abstract: A low-loss GaN-based semiconductor device is provided. The semiconductor device has the InzGa1-zN layer (where 0?z<1), the AlxGa1-xN layer (where 0<x<1), the InyGa1-yN layer (where 0?y<1) and the p-type InwGa1-wN layer (where 0?w<1) which are sequentially stacked on a base substrate of a C-plane sapphire substrate, etc. At a non-operating time, the two-dimensional hole gas is formed in the InyGa1-yN layer in the vicinity part of a hetero-interface between the AlxGa1-xN layer and the InyGa1-yN layer, and the two-dimensional electron gas is formed in the InzGa1-zN layer in the vicinity part of a hetero-interface between the InzGa1-zN layer and the AlxGa1-xN layer.Type: GrantFiled: June 21, 2011Date of Patent: July 22, 2014Assignees: The University of Sheffield, Powdec K.K.Inventors: Akira Nakajima, Sankara Narayanan Ekkanath Madathil, Yasunobu Sumida, Hiroji Kawai
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Patent number: 8770357Abstract: An apparatus of a damper (46) for a bicycle comprising a housing defining a chamber, and a piston, movable in the chamber along a first direction. The apparatus further comprises a controllable means to vary the resistance to movement of the piston in the chamber, a sensor (62), and a controller (58) including a timer. Said sensor measures at least one dynamic quantity and produces an output signal based thereon. Said output signal is received by the controller, and said controller controls said controllable means based on said dynamic quantity as a function of time to control the level of damping. The invention further provides means for manually adjusting the level of rebound damping.Type: GrantFiled: July 16, 2009Date of Patent: July 8, 2014Assignee: University of SheffieldInventors: Neil David Sims, David Craig Batterbee
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Patent number: 8728252Abstract: A process for treating a non-ferrous metal component, comprising placing the component into a process chamber at an elevated temperature, biasing the component to have a potential capable of attracting ions, introducing oxygen into the chamber at a pressure such that a glow discharge comprising oxygen ions is generated, the process chamber additionally comprising a glow discharge ionization enhancing means, and activating the glow discharge ionization enhancing means thereby increasing charged species density of the glow discharge, the oxygen ions flowing towards the component and colliding the surface thereof at least some of which diffuse into the component.Type: GrantFiled: March 24, 2008Date of Patent: May 20, 2014Assignees: Tecvac Limited, The University of SheffieldInventors: Junia Cristina Avelar Batista Wilson, Elliott Ashley Fielding Spain, Jonathan Housden, Allan Matthews, Adrian Leyland
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Patent number: 8659038Abstract: Embodiments of the present invention provided a method of fabricating a semiconductor light source structure. The method comprises providing a GaAs substrate; forming a lower cladding layer above the substrate, the lower cladding layer comprising an AIxGa1-xAs alloy; forming an active region above the lower cladding layer, the active region comprising a GaAs separate confinement heterostructure; and forming an upper cladding layer comprising an AIxGa1-xAs alloy above the active region in the form of an elongate stripe bounded on either side by an InGaP current-blocking layer, the elongate stripe defining an index-guided optical waveguide.Type: GrantFiled: June 9, 2010Date of Patent: February 25, 2014Assignee: The University of SheffieldInventors: Kristian Groom, Richard Hogg
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Publication number: 20140010836Abstract: We disclose antigenic polypeptides that induce the production of opsonins, in particular opsonic antibodies, and the use of said antigenic polypeptides in vaccines that are protective against bacterial animal pathogens in particular bacterial pathogens of agriculturally important animal species and companion animals and including zoonotic Gram negative bacterial species.Type: ApplicationFiled: February 7, 2012Publication date: January 9, 2014Applicant: University of SheffieldInventor: Jon Sayers
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Publication number: 20130295580Abstract: A point of care diagnostic test, device and disposables for determining a patient risk for oral cancer in the same visit that a sample is collected.Type: ApplicationFiled: November 11, 2011Publication date: November 7, 2013Applicants: William Marsh Rice University, University of Sheffield, The Board of Regents of the University of Texas SystemInventors: John T. McDevitt, Nicolaos Christodoulides, Pierre N. Floriano, Martin Thornhill, Spencer Redding, Nadarajah Vigneswaran, Craig Murdoch, Paul Speight
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Publication number: 20130185828Abstract: Provided are methods and compositions for improving the growth characteristics of plants.Type: ApplicationFiled: October 19, 2012Publication date: July 18, 2013Applicants: The Regents of the University of California, The University of Sheffield, The University of NottinghamInventors: The Regents of the University of California, The University of Nottingham, The University of Sheffield
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Patent number: 8432030Abstract: A power electronic package includes: first and second high thermal conductivity insulating non-planar substrates; and multiple semiconductor chips and electronic components between the substrates. Each substrate includes multiple electrical insulator layers and patterned electrical conductor layers connecting to the electronic components, and further includes multiple raised regions or posts, which are bonded together so that the substrates are mechanically and electrically connected. The number, arrangement, and shape of the raised regions or posts are adjusted to have mechanical separation between the substrates. The electrical conductor layers are separated and isolated one another so that multiple electric circuits are provided on at least one of the substrates.Type: GrantFiled: June 29, 2011Date of Patent: April 30, 2013Assignees: DENSO CORPORATION, University of Cambridge, The University of SheffieldInventors: Rajesh Kumar Malhan, C Mark Johnson, Cyril Buttay, Jeremy Rashid, Florin Udrea
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Patent number: 8302478Abstract: There is provided a method of detecting the presence of a substance comprising providing a cantilever (30) comprising a magnetostrictive material (34) and having an original resonant frequency. The method also comprises receiving the substance on the cantilever (30, 36) causing the resonant frequency of the cantilever (30) to change. The method also comprises applying a magnetic field to the cantilever (30) causing the resonant frequency to change to a reference resonant frequency and sensing when the resonant frequency becomes the reference resonant frequency.Type: GrantFiled: November 16, 2007Date of Patent: November 6, 2012Assignee: The University of SheffieldInventor: Michael Richard John Gibbs
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Patent number: 8267188Abstract: A machining tool comprises a frame mounting an extendable yoke slidable with respect to the frame in a first direction through one or more mounting pillars. A tool motor is mounted on the yoke. A drive mechanism for the yoke is also mounted in the frame, with a drive motor to drive the yoke drive mechanism. A belt is between pulleys on the drive motor and mechanism to transmit drive between them. A rotatable sleeve is around the tool motor and on which sleeve the belt engages on opposite sides of the tool motor, whereby the tool motor can extend between the drive motor and mechanism, thereby resulting in a compact arrangement of the tool.Type: GrantFiled: August 9, 2010Date of Patent: September 18, 2012Assignee: The University of SheffieldInventor: Garth Martyn John Nicholson
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Patent number: 8227041Abstract: A multilayer light reflective, variable interlayer separation (d-spacing), cross-linked self-assembling block copolymer film or coating wherein a property of the reflected light can be changed by varying the interlayer separation (d-spacing) of the film or coating.Type: GrantFiled: March 30, 2006Date of Patent: July 24, 2012Assignee: University of SheffieldInventors: John Patrick Anthony Fairclough, Christine Fernyhough, Nadejda Todorova Tzokova
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Patent number: 8140175Abstract: Embodiments of the present invention relate to a system and method for analysing, designing and manufacturing a body to determine potential discontinuities within the body when subjected to an action.Type: GrantFiled: October 1, 2007Date of Patent: March 20, 2012Assignee: The University of SheffieldInventors: Colin Smith, Matthew Gilbert
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Publication number: 20110254177Abstract: A power electronic package includes: first and second high thermal conductivity insulating non-planar substrates; and multiple semiconductor chips and electronic components between the substrates. Each substrate includes multiple electrical insulator layers and patterned electrical conductor layers connecting to the electronic components, and further includes multiple raised regions or posts, which are bonded together so that the substrates are mechanically and electrically connected. The number, arrangement, and shape of the raised regions or posts are adjusted to have mechanical separation between the substrates. The electrical conductor layers are separated and isolated one another so that multiple electric circuits are provided on at least one of the substrates.Type: ApplicationFiled: June 29, 2011Publication date: October 20, 2011Applicants: DENSO CORPORATION, The University of Sheffield, University of CambridgeInventors: Rajesh Kumar MALHAN, C Mark JOHNSON, Cyril BUTTAY, Jeremy RASHID, Florin UDREA
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Patent number: 8041420Abstract: Apparatus for measuring the electrical impedance of a tissue sample comprises a probe and a sheath comprising an elongated tubular body having one closed end and one open end providing an internal cavity. The sheath is composed of a material which when contacted with a tissue sample is capable of providing a conductive path through the sheath between the electrodes and the tissue sample. The resistivity of the material forming the sheath when contacted with the tissue sample is greater than the resistivity of the tissue sample. The probe is received within the internal cavity of the sheath. The sheath is impervious to bacteria and viruses.Type: GrantFiled: June 2, 2006Date of Patent: October 18, 2011Assignees: The University of Sheffield, Sheffield Teaching Hospitals NHS Foundation TrustInventors: Brian Hilton Brown, John Anthony Tidy
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Patent number: 7999369Abstract: A power electronic package includes: first and second high thermal conductivity insulating non-planar substrates; and multiple semiconductor chips and electronic components between the substrates. Each substrate includes multiple electrical insulator layers and patterned electrical conductor layers connecting to the electronic components, and further includes multiple raised regions or posts, which are bonded together so that the substrates are mechanically and electrically connected. The number, arrangement, and shape of the raised regions or posts are adjusted to have mechanical separation between the substrates. The electrical conductor layers are separated and isolated one another so that multiple electric circuits are provided on at least one of the substrates.Type: GrantFiled: August 29, 2006Date of Patent: August 16, 2011Assignees: DENSO CORPORATION, University of Cambridge, The University of SheffieldInventors: Rajesh Kumar Malhan, C. Mark Johnson, Cyril Buttay, Jeremy Rashid, Florin Udrea