Patents by Inventor Ximin He
Ximin He 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).
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Publication number: 20240135485Abstract: The disclosure relates to tuning configuration parameters for graphics pipeline for better user experience. A device for graphics processing, comprising: hardware engines; a graphics pipeline at least partly implemented by the hardware engines; and a tuner, coupled to the hardware engines and the graphics pipeline, the tuner to: collect statuses of the device during runtime for a previous frame; determine configuration parameters based on the collected statuses, the configuration parameters associated with three-dimensional 3D rendering, pre-processing and video encoding of the graphics pipeline; and tune the graphics pipeline with the determined configuration parameters for processing a next frame.Type: ApplicationFiled: September 1, 2023Publication date: April 25, 2024Applicant: Intel CorporationInventors: Fan He, Yi Qian, Ning Luo, Yunbiao Lin, Changliang Wang, Ximin Zhang
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Publication number: 20230331937Abstract: Many embodiments provide methods to produce hydrogels with water content of at least 70% with multi-length-scale hierarchical architecture. The hydrogels have high mechanical stress, high strain, and high toughness. The method includes a pre-concentrating step and a salting-out treatment. The produced hydrogels are anisotropic, comprising micro-sized honeycomb-like pore walls, which in turn comprise interconnected nanofibrils meshes.Type: ApplicationFiled: February 7, 2023Publication date: October 19, 2023Applicant: The Regents of the University of CaliforniaInventors: Ximin He, Mutian Hua, Shuwang Wu
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Patent number: 11639025Abstract: Methods and apparatus for fabricating high-resolution thin-layer metal patterns and 3D Metal structures are provided. The methods and apparatus operate via photo-(stereo)lithography at room temperature. The printed metal patterns, for example silver patterns, exhibit high electrical conductivity, comparable to or better than the conductivity of the silver printed by current laser sintering or thermal annealing at high temperature.Type: GrantFiled: April 3, 2019Date of Patent: May 2, 2023Assignee: The Regents of the University of CaliforniaInventors: Ximin He, Xingyun Yang, Dong Wu, Mutian Hua
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Patent number: 11572470Abstract: Tropistic materials incorporating a class of adaptively configurable materials capable of real-time detection, tracking, and processing incident stimulus are provided. Incident stimulus can comprise any energetic emission or signals, such as electromagnetic waves, acoustics waves, or magnetic fields. The materials comprise a deformable stimuli-responsive material, which can adapt configuratively to a specific stimulus, and may further comprise a plurality of absorbers or photo-sensitive molecules configured to convert external incident stimuli to the specific stimulus type toward which the deformable material is responsive.Type: GrantFiled: April 11, 2018Date of Patent: February 7, 2023Assignee: The Regents of the University of CaliforniaInventors: Ximin He, Xiaoshi Qian
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Patent number: 11535779Abstract: Highly efficient, multi-functional anti-icing compositions and methods of their use are provided. Anti-icing compositions include hydrogels configured to form thin film coatings on various surfaces via spin coating under UV irradiation. Multifunctional anti-icing platforms are based on polydimethylsiloxane (PDMS)-grafted polyelectrolyte hydrogels. Methods for grafting hydrophobic polydimethylsiloxane (PDMS) chains onto a hydrophilic polyelectrolyte network containing various counterions, forming a multifunctional hybrid anti-icing hydrogel are also provided.Type: GrantFiled: February 25, 2021Date of Patent: December 27, 2022Assignee: The Regents of the University of CaliforniaInventors: Ximin He, Zhiyuan He
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Patent number: 11492434Abstract: A hydrogel precursor composition includes 10 wt % to 40 wt % N-isopropylacrylamide, 0.5 wt % to 2 wt % N,N?-methylenebisacrylamide, a solvent, and a photoinitiator. The hydrogel precursor composition is photocurable and thermally responsive. A thermally responsive hydrogel is formed by photopolymerizing the hydrogel precursor composition. The thermally responsive hydrogel may be used to mimic the activity of muscle fibers.Type: GrantFiled: June 12, 2020Date of Patent: November 8, 2022Assignees: Arizona Board of Regents on behalf of Arizona State University, The Regents of the University of CaliforniaInventors: Roozbeh Emami, Yousif Alsaid, Ximin He, Daniel Aukes
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Publication number: 20210284775Abstract: A hydrogel precursor composition includes 10 wt % to 40 wt % N-isopropylacrylamide, 0.5 wt % to 2 wt % N,N?-methylenebisacrylamide, a solvent, and a photoinitiator. The hydrogel precursor composition is photocurable and thermally responsive. A thermally responsive hydrogel is formed by photopolymerizing the hydrogel precursor composition. The thermally responsive hydrogel may be used to mimic the activity of muscle fibers.Type: ApplicationFiled: June 12, 2020Publication date: September 16, 2021Inventors: Roozbeh Emami, Yousif Alsaid, Ximin He, Daniel Aukes
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Publication number: 20210261838Abstract: Highly efficient, multi-functional anti-icing compositions and methods of their use are provided. Anti-icing compositions include hydrogels configured to form thin film coatings on various surfaces via spin coating under UV irradiation. Multifunctional anti-icing platforms are based on polydimethylsiloxane (PDMS)-grafted polyelectrolyte hydrogels. Methods for grafting hydrophobic polydimethylsiloxane (PDMS) chains onto a hydrophilic polyelectrolyte network containing various counterions, forming a multifunctional hybrid anti-icing hydrogel are also provided.Type: ApplicationFiled: February 25, 2021Publication date: August 26, 2021Applicant: The Regents of the University of CaliforniaInventors: Ximin He, Zhiyuan He
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Publication number: 20210146610Abstract: Methods and apparatus for fabricating high-resolution thin-layer metal patterns and 3D Metal structures are provided. The methods and apparatus operate via photo-(stereo)lithography at room temperature. The printed metal patterns, for example silver patterns, exhibit high electrical conductivity, comparable to or better than the conductivity of the silver printed by current laser sintering or thermal annealing at high temperature.Type: ApplicationFiled: April 3, 2019Publication date: May 20, 2021Applicant: The Regents of the University of CaliforniaInventors: Ximin He, Xingyun Yang, Dong Wu, Mutian Hua
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Patent number: 10794029Abstract: A soil stabilization method of forming an admixture of at least one hydrogel precursor and urease enzyme, and contacting at least a portion of the admixture with soil, and forming a hydrogel network in-situ within at least a portion of the soil, wherein at least a portion of the hydrogel network includes in-situ precipitated calcium carbonate. In some embodiments, at least a portion of the hydrogel network is formed in-situ by polymerizing the at least one hydrogel precursor in the presence of the urease enzyme.Type: GrantFiled: February 13, 2017Date of Patent: October 6, 2020Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Ximin He, Edward Kavazanjian, Nasser Hamdan, Zhi Zhao
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Publication number: 20200148873Abstract: Tropistic materials incorporating a class of adaptively configurable materials capable of real-time detection, tracking, and processing incident stimulus are provided. Incident stimulus can comprise any energetic emission or signals, such as electromagnetic waves, acoustics waves, or magnetic fields. The materials comprise a deformable stimuli-responsive material, which can adapt configuratively to a specific stimulus, and may further comprise a plurality of absorbers or photo-sensitive molecules configured to convert external incident stimuli to the specific stimulus type toward which the deformable material is responsive.Type: ApplicationFiled: April 11, 2018Publication date: May 14, 2020Applicant: The Regents of the University of CaliforniaInventors: Ximin He, Xiaoshi Qian
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Publication number: 20190256770Abstract: A soil stabilization method of forming an admixture of at least one hydrogel precursor and urease enzyme, and contacting at least a portion of the admixture with soil, and forming a hydrogel network in-situ within at least a portion of the soil, wherein at least a portion of the hydrogel network includes in-situ precipitated calcium carbonate. In some embodiments, at least a portion of the hydrogel network is formed in-situ by polymerizing the at least one hydrogel precursor in the presence of the urease enzyme.Type: ApplicationFiled: February 13, 2017Publication date: August 22, 2019Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITYInventors: Ximin He, Edward Kavazanjian, Nasser Hamdan, Zhi Zhao
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Patent number: 9937743Abstract: A document and an Anti-counterfeiting method for use in such documents are described. Said document and Anti-counterfeiting method include introducing a plurality of raised nanoscopic to microscopic structures, here referred to as reconfigurable structures, formed over a polymer substrate to induce optical changes, such as structural color and/or optical fuzziness. Dynamic changes using liquids provide the anti-counterfeiting measures.Type: GrantFiled: May 31, 2013Date of Patent: April 10, 2018Assignee: President and Fellows of Harvard CollegeInventors: Joanna Aizenberg, Tak Sing Wong, Sung Hoon Kang, Ximin He
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Patent number: 9651548Abstract: A chemo-mechano-chemical (C1-M-C2) system includes a base supporting an actuatable structure, said structure comprising a functionalized portion and being embedded in an environmentally responsive gel capable of volume change in response to an environmental stimulus; a first fluid layer disposed over the base and in contact with the actuatable structure, said first fluid layer comprising the environmentally responsive gel; and a second fluid layer in contact with the actuatable structure, wherein the layers are positioned such that the functionalized portion is in contact with the second layer in a first relaxed state and in contact with the first layer in a second actuated state and wherein the functionalized portion interacts with at least one of the layers to provide a chemical or physical response.Type: GrantFiled: May 2, 2014Date of Patent: May 16, 2017Assignee: President and Fellows of Harvard CollegeInventors: Joanna Aizenberg, Ximin He, Michael Aizenberg
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Publication number: 20150137502Abstract: A document and an Anti-counterfeiting method for use in such documents are described. Said document and Anti-counterfeiting method include introducing a plurality of raised nanoscopic to microscopic structures, here referred to as reconfigurable structures, formed over a polymer substrate to induce optical changes, such as structural color and/or optical fuzziness. Dynamic changes using liquids provide the anti-counterfeiting measures.Type: ApplicationFiled: May 31, 2013Publication date: May 21, 2015Applicant: President and Fellows of Harvard CollegeInventors: Joanna Aizenberg, Tak Sing Wong, Sung Hoon Kang, Ximin He
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Publication number: 20140349870Abstract: A chemo-mechano-chemical (C1-M-C2) system includes a base supporting an actuatable structure, said structure comprising a functionalized portion and being embedded in an environmentally responsive gel capable of volume change in response to an environmental stimulus; a first fluid layer disposed over the base and in contact with the actuatable structure, said first fluid layer comprising the environmentally responsive gel; and a second fluid layer in contact with the actuatable structure, wherein the layers are positioned such that the functionalized portion is in contact with the second layer in a first relaxed state and in contact with the first layer in a second actuated state and wherein the functionalized portion interacts with at least one of the layers to provide a chemical or physical response.Type: ApplicationFiled: May 2, 2014Publication date: November 27, 2014Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Joanna AIZENBERG, Ximin HE, Michael AIZENBERG
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Publication number: 20100133716Abstract: A method of forming a relief pattern on the surface of a substrate comprises the steps of providing a substrate, coating a thin layer of polymeric material onto the substrate, drying the polymeric material to leave residual lateral stress within the material, bringing a patterned stamp into contact with the polymeric material and applying pressure to the stamp such that the polymeric material ruptures patternwise and dewets at the surface of the substrate to form openings in the polymeric layer according to the pattern on the stamp.Type: ApplicationFiled: November 19, 2009Publication date: June 3, 2010Inventors: Jurjen F. Winkel, Withelmus T. Huck, Ximin He