Patents by Inventor Xun Shi
Xun Shi 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: 20240357934Abstract: The present invention relates to a preparation method for a semiconductor material leg array and a batch preparation method for an interface layer of a semiconductor material leg array. The preparation method for a semiconductor material leg array comprises: placing a semiconductor block material on a surface of an extrusion mold, placing the semiconductor block material and the extrusion mold in a pressure-resistant sleeve, subjecting the semiconductor block material to plastic deformation by extrusion and filling holes that are arranged in an array on the surface of the extrusion mold, and demolding to obtain a semiconductor material leg array.Type: ApplicationFiled: January 10, 2023Publication date: October 24, 2024Inventors: Xun SHI, Ming GU, Pengfei QIU, Lidong CHEN
-
Patent number: 11963447Abstract: The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.Type: GrantFiled: May 6, 2020Date of Patent: April 16, 2024Assignee: SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADEMY OF SCIENCESInventors: Xun Shi, Pengfei Qiu, Zhiqiang Gao, Lidong Chen, Shiqi Yang, Qingyu Yang
-
Publication number: 20230396819Abstract: A video delivery system generates and stores reduced bandwidth videos from source video. The system may include a track generator that executes functionality of application(s) to be used at sink devices, in which the track generator generates tracks from execution of the application(s) on source video and generates tracks having a reduced data size as compared to the source video. The track generator may execute a first instance of application functionality on the source video, which identifies region(s) of interest from the source video. The track generator further may downsample the source video according to downsampling parameters, and execute a second instance of application functionality on the downsampled video. The track generator may determine, from a comparison of outputs from the first and second instances of the application, whether the output from the second instance of application functionality is within an error tolerance of the output from the first instance of application functionality.Type: ApplicationFiled: June 1, 2023Publication date: December 7, 2023Inventors: Ke ZHANG, Xiaoxia SUN, Shujie LIU, Xiaosong ZHOU, Jian LI, Xun SHI, Jiefu ZHAI, Albert E KEINATH, Hsi-Jung WU, Jingteng XUE, Xingyu ZHANG, Jun XIN
-
Publication number: 20230380287Abstract: The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.Type: ApplicationFiled: May 6, 2020Publication date: November 23, 2023Inventors: Xun SHI, Pengfei QIU, Zhiqiang GAO, Lidong CHEN, Shiqi YANG, Qingyu YANG
-
Publication number: 20230189794Abstract: The present invention relates to a composition for the cryopreservation of myocardial cells, the composition comprising BLEB and/or PAB (or a physiologically acceptable salt thereof) and an antifreeze agent. The present invention further relates to a myocardial cell cryopreservation kit containing the composition, a method for the cryopreservation of mammal myocardial cells by means of using the composition above, and the use of the composition above in the preparation of a reagent for the cryopreservation of mammal myocardial cells.Type: ApplicationFiled: March 12, 2021Publication date: June 22, 2023Inventors: Shengshou Hu, Bingying ZHOU, Yongfeng HOU, Xun SHI, Xiaoli TANG
-
Publication number: 20220169989Abstract: Provided are a composition containing (?)-Blebbistain and/or para-Blebbistain, a kit comprising the composition, and a cardiomyocyte culture method using the composition as a culture medium. Also provided is a use of (?)-Blebbistain and/or para-Blebbistain in preparation of a cardiomyocyte isolation reagent or cardiomyocyte culture reagent.Type: ApplicationFiled: April 2, 2020Publication date: June 2, 2022Inventors: Shengshou HU, Bingying ZHOU, Yongfeng HOU, Xiaoli TANG, Xun SHI
-
Publication number: 20220105413Abstract: A foldable golf practice tent comprising a tent having a ceiling, a back, left and right sides, a floor and a wide front open face for accepting golf balls hit by club; an elastic frame structure connected to the fabric of the tent that provides structural support for the tent; and a planar net coupled to the front of the ceiling, such that the net hangs from the ceiling, partially slops towards the back of the tent and extends loosely towards the floor, wherein the net is placed behind the open face such that golf balls that have been hit into the tent contact the net and drop within the tent. The elastic frame structure comprises two fiber circles, such that the tent can be made into light and solid, wherein the tent is easily folded into a small portable size and opens automatically in seconds when unfold.Type: ApplicationFiled: April 22, 2021Publication date: April 7, 2022Inventor: Xun Shi
-
Patent number: 11136692Abstract: Disclosed is a plastic semiconductor material and a preparation method thereof. The semiconductor material comprises an argentite-based compound represented by the following formula (I): Ag2-?X?S1-?Y?(I), in which 0??<0.5, 0??<0.5, X is at least one of Cu, Au, Fe, Co, Ni, Zn, Ti, or V, and Y is at least one of N, P, As, Sb, Se, Te, O, Br, Cl, I, or F. The material can withstand certain deformations, similar to organic materials, and has excellent semiconductor properties with adjustable electrical properties, thereby enabling the preparation of high-performance flexible semiconductor devices.Type: GrantFiled: February 12, 2018Date of Patent: October 5, 2021Assignee: SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADEMY OF SCIENCESInventors: Xun Shi, Ruiheng Liu, Feng Hao, Tuo Wang
-
Patent number: 11017095Abstract: A method for trusted measurement of a cloud computing platform includes: generating, by a third-party management and audit system, an audit report based on a current running indicator, signed by using a digital certificate, of a software and a running security indicator of the software, where the audit report indicates trustworthiness of a cloud computing platform. In this way, a process of trusted measurement of the cloud computing platform is open and transparent, so that authenticity of trusted measurement of the cloud computing platform is improved, thereby increasing a user's trust in the cloud computing platform.Type: GrantFiled: August 24, 2018Date of Patent: May 25, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Sihai Ye, Xun Shi
-
Patent number: 10922117Abstract: The present application discloses a virtual trusted platform module (vTPM)-based virtual machine security protection method and system. The method, executed by a physical host, includes: receiving a primary seed acquisition request sent by a virtual machine, where the primary seed acquisition request carries a UUID; sending the UUID to a KMC, so that the KMC generates a primary seed according to the UUID; and receiving the primary seed fed back by the KMC, and sending the primary seed to the virtual machine, so that the virtual machine creates a root key of a vTPM according to the primary seed, where the root key is used by the vTPM to create a key for the virtual machine to protect security of the virtual machine. As such, the same root key can be created by using the primary seed.Type: GrantFiled: February 9, 2018Date of Patent: February 16, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Xun Shi, Juan Wang, Bo Zhao
-
Publication number: 20200362471Abstract: Disclosed is a plastic semiconductor material and a preparation method thereof. The semiconductor material comprises an argentite-based compound represented by the following formula (I): Ag2-?X?S1-?Y?(I), in which 0??<0.5, 0??<0.5, Xis at least one of Cu, Au, Fe, Co, Ni, Zn, Ti, or V, and Y is at least one of N, P, As, Sb, Se, Te, O, Br, Cl, I, or F. The material can withstand certain deformations, similar to organic materials, and has excellent semiconductor properties with adjustable electrical properties, thereby enabling the preparation of high-performance flexible semiconductor devices.Type: ApplicationFiled: February 12, 2018Publication date: November 19, 2020Inventors: Xun SHI, Ruiheng LIU, Feng HAO, Tuo WANG
-
Patent number: 10339284Abstract: A measurement method, an electronic device, and a measurement system where the electronic device reads, from a hardware storage device, running code and running data that are in a running process of a virtual machine manager (VMM), and generates first verification information according to the running code and the running data, and the electronic device stores the first verification information, and transmits, to a trusted data center, log information generated in a process that is from reading, by the electronic device, the running code and the running data to storing, by the electronic device, the first verification information such that the trusted data center measures the electronic device using the first verification information acquired from the electronic device and second verification information generated according to the log information.Type: GrantFiled: March 16, 2016Date of Patent: July 2, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Jianfeng Liu, Xun Shi, Huanguo Zhang, Fei Yan
-
Patent number: 10177295Abstract: The present invention relates to a P-type high-performance thermoelectric material featuring reversible phase change, and a preparation method therefor. The thermoelectric material has a chemical composition of Cu2Se1-xIx, wherein 0<x?0.08. The method comprises: weighing elemental copper metal, elemental selenium metal, and cuprous iodide according to the molar ratio (2?x):(1?x):x, and packaging them in a vacuum; raising the temperature to 1150-1170° C. in stages and performing a melting treatment for 12-24 hours; lowering the temperature to 600-700° C. in stages and then performing an annealing treatment for 5-7 days, the substances being cooled to room temperature in a furnace after the annealing treatment; and performing pressure sintering at 400-500° C.Type: GrantFiled: May 29, 2014Date of Patent: January 8, 2019Assignee: SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADEMY OF SCIENCESInventors: Xun Shi, Huili Liu, Lidong Chen
-
Publication number: 20180365430Abstract: A method for trusted measurement of a cloud computing platform includes: generating, by a third-party management and audit system, an audit report based on a current running indicator, signed by using a digital certificate, of a software and a running security indicator of the software, where the audit report indicates trustworthiness of a cloud computing platform. In this way, a process of trusted measurement of the cloud computing platform is open and transparent, so that authenticity of trusted measurement of the cloud computing platform is improved, thereby increasing a user's trust in the cloud computing platform.Type: ApplicationFiled: August 24, 2018Publication date: December 20, 2018Inventors: Sihai YE, Xun SHI
-
Publication number: 20180181426Abstract: The present application discloses a virtual trusted platform nodule (vTPM)-based virtual machine security protection method and system. The method, executed by a physical host, includes: receiving a primary seed acquisition request sent by a virtual machine, where the primary seed acquisition request carries a UUID; sending the UUID to a KMC, so that the KMC generates a primary seed according to the UUID; and receiving the primary seed fed back by the KMC, and sending the primary seed to the virtual machine, so that the virtual machine creates a root key of a vTPM according to the primary seed, where the root key is used by the vTPM to create a key for the virtual machine to protect security of the virtual machine. As such, the same root key can be created by using the primary seed.Type: ApplicationFiled: February 9, 2018Publication date: June 28, 2018Inventors: Xun SHI, Juan WANG, Bo ZHAO
-
Patent number: 9698988Abstract: A security control platform receives a virtual machine starting request message that is from user equipment and forwarded by a management platform, where the virtual machine starting request message includes an identifier of a virtual machine that needs to be enabled and user information; invokes a third-party trusted platform to determine that the virtual machine starting request message is initiated by the user equipment according to an instruction of an authorized user; and performs authentication on the user information, and based on successful authentication, invokes the third-party trusted platform to decapsulate the virtual machine that needs to be enabled. It is ensured that other user equipment (including the management platform) cannot obtain a key of the third-party trusted platform, which enhances security of management control on the virtual machine, and thereby enhances security of a cloud computing platform.Type: GrantFiled: May 22, 2015Date of Patent: July 4, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Sihai Ye, Xun Shi
-
Publication number: 20160196415Abstract: A measurement method, an electronic device, and a measurement system where the electronic device reads, from a hardware storage device, running code and running data that are in a running process of a virtual machine manager (VMM), and generates first verification information according to the running code and the running data, and the electronic device stores the first verification information, and transmits, to a trusted data center, log information generated in a process that is from reading, by the electronic device, the running code and the running data to storing, by the electronic device, the first verification information such that the trusted data center measures the electronic device using the first verification information acquired from the electronic device and second verification information generated according to the log information.Type: ApplicationFiled: March 16, 2016Publication date: July 7, 2016Inventors: Jianfeng Liu, Xun Shi, Huanguo Zhang, Fei Yan
-
Publication number: 20160126439Abstract: The present invention relates to a P-type high-performance thermoelectric material featuring reversible phase change, and a preparation method therefor. The thermoelectric material has a chemical composition of Cu2Se1-xIx, wherein 0<x?0.08. The method comprises: weighing elemental copper metal, elemental selenium metal, and cuprous iodide according to the molar ratio (2?x):(1?x):x, and packaging them in a vacuum; raising the temperature to 1150-1170° C. in stages and performing a melting treatment for 12-24 hours; lowering the temperature to 600-700° C. in stages and then performing an annealing treatment for 5-7 days, the substances being cooled to room temperature in a furnace after the annealing treatment; and performing pressure sintering at 400-500° C.Type: ApplicationFiled: May 29, 2014Publication date: May 5, 2016Inventors: Xun Shi, Huili Liu, Lidong Chen
-
Publication number: 20150256341Abstract: A security control platform receives a virtual machine starting request message that is from user equipment and forwarded by a management platform, where the virtual machine starting request message includes an identifier of a virtual machine that needs to be enabled and user information; invokes a third-party trusted platform to determine that the virtual machine starting request message is initiated by the user equipment according to an instruction of an authorized user; and performs authentication on the user information, and based on successful authentication, invokes the third-party trusted platform to decapsulate the virtual machine that needs to be enabled. It is ensured that other user equipment (including the management platform) cannot obtain a key of the third-party trusted platform, which enhances security of management control on the virtual machine, and thereby enhances security of a cloud computing platform.Type: ApplicationFiled: May 22, 2015Publication date: September 10, 2015Inventors: Sihai Ye, Xun Shi
-
Publication number: 20140380057Abstract: A method, a server, a host, and a system for protecting data security. A server generates a cloud feature value that uniquely corresponds to the server, binds a data encryption key required by the host to generate data encryption key ciphertext, and then transmits the data encryption key ciphertext and the cloud feature value to the host; and the host decrypts the ciphertext using the cloud feature value to obtain a data encryption key to be allocated to a user, so that security protection on user data is performed based on the cloud feature value, thereby improving data security.Type: ApplicationFiled: September 12, 2014Publication date: December 25, 2014Inventors: Xun Shi, Sihai Ye