Patents by Inventor Yugang Wang
Yugang Wang 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: 20240098037Abstract: Provided is a multimedia data stream processing method, an electronic device and a storage medium, relating to the field of artificial intelligence, and specifically, to the technical fields of cloud computing, media cloud technology, and the like, which may be applied to scenes such as smart cloud. The multimedia data stream processing method includes: allocating a plurality of sub-streams of a multimedia data stream to a plurality of edge resource nodes, where the multimedia data stream is segmented into a plurality of slices and each of the plurality of sub-streams includes a part of the plurality of slices of the multimedia data stream; and scheduling the plurality of edge resource nodes to provide the plurality of sub-streams of the multimedia data stream for a terminal device.Type: ApplicationFiled: January 23, 2023Publication date: March 21, 2024Inventors: Yugang Ke, Chongming Gu, Zhoufeng Wang, Junwen Gao, Weihui Liu, Minglu Li, Feifei Cao, Yongqiang Wu, Xiaoen Zhu
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Patent number: 11920236Abstract: A composite coating layer for coating a NdFeB rare earth magnet includes a first coating layer and a second coating layer formed over a surface of the first coating layer. The first coating layer includes a Nd coating layer, a Pr coating layer, or an alloy coating layer including two or more of Nd, Pr, and Cu. The second coating layer includes a Tb coating layer.Type: GrantFiled: June 24, 2021Date of Patent: March 5, 2024Assignees: SANVAC (BEIJING) MAGNETICS CO., LTD., BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.Inventors: Guoan Chen, Bin Fang, Haojie Wang, Yugang Zhao
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Publication number: 20220383738Abstract: Disclosed is a method for short-term traffic risk prediction of road sections by using roadside observation data.Type: ApplicationFiled: September 10, 2021Publication date: December 1, 2022Inventors: Nengchao Lyu, Jiaqiang Wen, Lingfeng Peng, Wei Hao, Haoran Wu, Yugang Wang
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Publication number: 20220313626Abstract: Provided herein are methods for treating a cancer in a subject having a tumor with interstitial fluid pressure (IFP) of at least 10 mmHg, comprising administering to the subject a therapeutically effective amount of a compound or a pharmaceutically acceptable salt or prodrug thereof, which is an inhibitor of the interaction between the PD-1 receptor and its ligand PD-L1 and which is not a protein, alone, or in combination with other agents, e.g., in combination with the use of anti-PD-1/PD-L1 antibodies, in combination with an inhibitor of the CTLA-4/B7 interaction, or in combination with an inhibitor binding to VEFG.Type: ApplicationFiled: June 23, 2020Publication date: October 6, 2022Inventors: Yugang WANG, Feilan WANG, Nong ZHANG
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Publication number: 20220318558Abstract: The disclosure provides a lane-level navigation method and system incorporating ADAS fine-sensory data, which comprises the following steps: collecting the real-time road images in front of the vehicle, and pretreating the real-time road images which are collected; extracting lane feature points and determining lane information from the preprocessed images; extracting feature points and contour edge lines of road signs in the lane area where the vehicle is located in the preprocessed images, and combining with lane signs to generate lane sign feature point information; identifying and outputting the corresponding lane number and lane function, and transmitting recognized information to the vehicle navigation center control platform, or transmitting to a mobile terminal navigation APP; generating automatic navigation instructions to provide a driver with precise lane-level movements. By effectively fusing ADAS data, the method of the present invention has the advantages of low cost, good compatibility.Type: ApplicationFiled: November 2, 2021Publication date: October 6, 2022Applicant: WUHAN UNIVERSITY OF TECHNOLOGYInventors: NENGCHAO LV, JINJIN GAO, YUGANG WANG, CHAOZHONG WU
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Publication number: 20220251497Abstract: A microfluidic chip capable of being used for capturing target particles, the chip comprising a convergence and shunt unit, the convergence and shunt unit being capable of converging target particles in a liquid sample to the centre of a liquid flow, and simultaneously splitting off a certain proportion of the liquid flow that does not contain target particles, thereby effectively reducing the flow and speed of the liquid flow inputted to the chip; when used for capturing target particles, the chip also comprises a capturing unit, and implements capture of the target particles by means of the capturing unit.Type: ApplicationFiled: July 17, 2020Publication date: August 11, 2022Applicant: PEKING UNIVERSITYInventors: Gen YANG, Chunxiong LUO, Chunyang LU, Jian XU, Yugang WANG, Qi OUYANG
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Patent number: 11142542Abstract: A method for synthesizing sucrose-6-ester includes: (a) in the presence of a polar aprotic solvent, contacting an organic phosphine compound represented by formula I with sucrose and an organic tin compound; (b) removing water to obtain a reaction liquid containing a tin-sucrose adduct; and (c) contacting the reaction liquid containing the tin-sucrose adduct with an acid anhydride compound to prepare a sucrose-6-ester. In formula I, R1, R2, and R3 each are a linear or branched alkyl having 1 to 20 carbon atoms, a cycloalkyl having 3 to 10 carbon atoms, or an aryl having 6 to 10 carbon atoms; moreover, the R1, R2, and R3 are identical groups, partially identical groups, or different groups from each other. According to the method, the reaction conversion rate and selectivity are greatly improved; moreover, it is easy to realize industrial application.Type: GrantFiled: April 24, 2019Date of Patent: October 12, 2021Assignees: Zhejiang Nhu Company Ltd., Shandong Nhu Fine Chemical Science and Technology Company Ltd.Inventors: Yougui Zhou, Jiang Cai, Kaifeng Ma, Yugang Wang, Xiaoqiao Wei, Yunhan Yang
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Publication number: 20210002317Abstract: A method for synthesizing sucrose-6-ester includes: (a) in the presence of a polar aprotic solvent, contacting an organic phosphine compound represented by formula I with sucrose and an organic tin compound; (b) removing water to obtain a reaction liquid containing a tin-sucrose adduct; and (c) contacting the reaction liquid containing the tin-sucrose adduct with an acid anhydride compound to prepare a sucrose-6-ester. In formula I, R1, R2, and R3 each are a linear or branched alkyl having 1 to 20 carbon atoms, a cycloalkyl having 3 to 10 carbon atoms, or an aryl having 6 to 10 carbon atoms; moreover, the R1, R2, and R3 are identical groups, partially identical groups, or different groups from each other. According to the method, the reaction conversion rate and selectivity are greatly improved; moreover, it is easy to realize industrial application.Type: ApplicationFiled: April 24, 2019Publication date: January 7, 2021Inventors: Yougui ZHOU, Jiang CAI, Kaifeng MA, Yugang WANG, Xiaoqiao WEI, Yunhan YANG
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Publication number: 20180261242Abstract: A magnetic write apparatus has a media-facing surface (MFS), a pole, a write gap, a top shield and coil(s). The pole includes a yoke and a pole tip. The pole tip includes a bottom, a top wider than the bottom and first and second sides. The pole tip has a height between the top and the bottom. At least part of the top of the pole tip is convex in a cross-track direction between the first and second sides such that the height at the MFS is larger between the first and second sides than at the first and second sides. The height increases in a yoke direction perpendicular to the MFS. The write gap is adjacent to and conformal with the top of the pole at the MFS and is between part of the top shield and the pole. The top shield is concave at the MFS.Type: ApplicationFiled: May 9, 2018Publication date: September 13, 2018Inventors: Yu PAN, Yugang WANG, ZHIGANG BAI, Tao LIN, Peng Zhao
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Patent number: 9997177Abstract: A magnetic write apparatus has a media-facing surface (MFS), a pole, a write gap, a top shield and coil(s). The pole includes a yoke and a pole tip. The pole tip includes a bottom, a top wider than the bottom and first and second sides. The pole tip has a height between the top and the bottom. At least part of the top of the pole tip is convex in a cross-track direction between the first and second sides such that the height at the MFS is larger between the first and second sides than at the first and second sides. The height increases in a yoke direction perpendicular to the MFS. The write gap is adjacent to and conformal with the top of the pole at the MFS and is between part of the top shield and the pole. The top shield is concave at the MFS.Type: GrantFiled: September 8, 2017Date of Patent: June 12, 2018Assignee: Western Digital (Fremont), LLCInventors: Yu Pan, Yugang Wang, Zhigang Bai, Tao Lin, Peng Zhao
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Publication number: 20170372728Abstract: A magnetic write apparatus has a media-facing surface (MFS), a pole, a write gap, a top shield and coil(s). The pole includes a yoke and a pole tip. The pole tip includes a bottom, a top wider than the bottom and first and second sides. The pole tip has a height between the top and the bottom. At least part of the top of the pole tip is convex in a cross-track direction between the first and second sides such that the height at the MFS is larger between the first and second sides than at the first and second sides. The height increases in a yoke direction perpendicular to the MFS. The write gap is adjacent to and conformal with the top of the pole at the MFS and is between part of the top shield and the pole. The top shield is concave at the MFS.Type: ApplicationFiled: September 8, 2017Publication date: December 28, 2017Inventors: Yu PAN, Yugang WANG, ZHIGANG BAI, Tao LIN, Peng Zhao
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Patent number: 9767831Abstract: A magnetic write apparatus has a media-facing surface (MFS), a pole, a write gap, a top shield and coil(s). The pole includes a yoke and a pole tip. The pole tip includes a bottom, a top wider than the bottom and first and second sides. The pole tip has a height between the top and the bottom. At least part of the top of the pole tip is convex in a cross-track direction between the first and second sides such that the height at the MFS is larger between the first and second sides than at the first and second sides. The height increases in a yoke direction perpendicular to the MFS. The write gap is adjacent to and conformal with the top of the pole at the MFS and is between part of the top shield and the pole. The top shield is concave at the MFS.Type: GrantFiled: December 1, 2015Date of Patent: September 19, 2017Assignee: Western Digital (Fremont), LLCInventors: Yu Pan, Yugang Wang, Zhigang Bai, Tao Lin, Peng Zhao
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Patent number: 9508372Abstract: A method and system provide a shingle magnetic write transducer. The transducer has an air-bearing surface (ABS) and includes a main pole and at least one coil. The coil(s) are configured to energize the main pole. The main pole includes a leading surface, a trailing surface, and a plurality of sides between the leading surface and the trailing surface. At least one of the plurality of sides form a sidewall angle with a down track direction. The sidewall angle is less than thirteen degrees and is at least zero degrees. In some aspects, the sidewall angle is less than a maximum skew angle for the data storage system.Type: GrantFiled: June 3, 2015Date of Patent: November 29, 2016Assignee: WESTERN DIGITAL (FREMONT), LLCInventors: Yu Pan, Lieping Zhong, Yugang Wang, Zhigang Bai, Tao Pan
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Patent number: 9478236Abstract: A main pole of a perpendicular magnetic recording write head is disclosed with a non-rectangular shape at the air bearing surface and a rectangular shape behind the air bearing surface. The main pole transitions from the non-rectangular shape to a rectangular shape at a distance of 10 nm to 100 nm behind the air bearing surface. The main pole includes leading and trailing beveled surfaces that extend from the non-rectangular shape of the pole at the air bearing surface toward the rectangular shape transition.Type: GrantFiled: September 28, 2012Date of Patent: October 25, 2016Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Jinqiu Zhang, Zhigang Bai, Yugang Wang
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Patent number: 9343086Abstract: A method and system provide a magnetic transducer having an air-bearing surface (ABS). The magnetic transducer includes a main pole and at least one coil for energizing the main pole. The main pole includes a pole tip region and a yoke region. The pole tip region includes sidewalls, a bottom and a top wider than the bottom. At least one of the sidewalls forms a first sidewall angle with a down track direction at the ABS and a second sidewall angle with the down track direction at a first distance recessed from the ABS. The first sidewall angle is greater than the second sidewall angle.Type: GrantFiled: October 10, 2013Date of Patent: May 17, 2016Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Zhigang Bai, Yugang Wang, Tao Pan
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Patent number: 9190079Abstract: A magnetic transducer has air-bearing surface (ABS) and includes a main pole and at least one coil. The coil(s) energize the main pole. The main pole includes a yoke and a pole tip having an ABS-facing surface. The pole tip includes a sidewall having a radius of curvature and a chisel angle. The chisel angle is measured between a yoke direction perpendicular to the ABS and a tangent the sidewall. The chisel angle for the pole tip continuously increases in the yoke direction to a maximum a first distance from the ABS-facing surface in the yoke direction. The radius of curvature for the pole tip has a minimum radius of curvature a second distance from the ABS-facing surface in the yoke direction. The first distance is greater than the second distance.Type: GrantFiled: September 22, 2014Date of Patent: November 17, 2015Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Tao Pan, Hai Sun, Zhigang Bai, Yang Xiang, Yugang Wang, Ling Wang
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Patent number: 9135930Abstract: A method and system provide a magnetic transducer having an air-bearing surface (ABS) and an intermediate layer. A trench having a shape and location corresponding to a main pole is formed in the intermediate layer. The main pole is provided. At least a portion of the main pole is in the trench. Providing the main pole further includes vacuum depositing a first main pole material layer. The first main pole material layer is thin enough to preclude filling of the trench. The first main pole material layer is then ion beam etched. A second main pole layer is vacuum deposited on the first main pole layer. The second main pole material layer is also thin enough to preclude filling of the trench. An additional main pole layer is also deposited.Type: GrantFiled: June 10, 2014Date of Patent: September 15, 2015Assignee: Western Digital (Fremont), LLCInventors: Li Zeng, Dehua Han, Ming Sun, Jose A. Medina, Jia Li, Liang Hong, Zhigang Bai, Yugang Wang
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Patent number: 9123358Abstract: A perpendicular magnetic recording writer for use in a data storage device, the recording transducer has a magnetic writer pole, a pole tip facing an air bearing surface (ABS). The pole tip has a pole face, leading side wall, a trailing side wall, a first side wall and a second side wall. A trailing side wall nonmagnetic gap layer on the trailing side wall, a first side wall nonmagnetic gap layer deposited on the first side wall, and a second side wall nonmagnetic gap layer deposited on the second side wall. A high magnetic moment seed layer is deposited on the trailing side wall nonmagnetic gap layer, the first side wall nonmagnetic gap layer, and the second side wall nonmagnetic gap layer. In other aspects of the invention shields are provided that have magnetic moments less than the magnetic moment of the seed layers.Type: GrantFiled: April 7, 2014Date of Patent: September 1, 2015Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Dehua Han, Yugang Wang, Zhigang Bai, Tao Pan
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Patent number: 9082423Abstract: A magnetic transducer has an ABS, a pole, coil(s) and a trailing shield. The pole includes a trailing surface having first and second portions. The first portion adjoins the ABS and is oriented at a first bevel angle from perpendicular to the ABS. The first bevel angle is nonzero and acute. The second portion adjoins the first portion, is recessed from the ABS and oriented at a second bevel angle from perpendicular to the ABS. The second bevel angle is less than the first bevel angle and nonzero. The trailing shield has a pole-facing surface part of which adjoins the ABS and is oriented at the first bevel angle. A write gap is between the trailing shield and the pole. The write gap has a constant thickness for the first portion of the trailing surface and a thickness that increases with increasing distance from the ABS for the second portion.Type: GrantFiled: March 24, 2014Date of Patent: July 14, 2015Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Zhigang Bai, Weimin Si, Yugang Wang, Fenglin Liu, Tao Pan, Samuel W. Yuan
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Patent number: 8792208Abstract: A method and system provide a magnetic recording transducer having air-bearing surface (ABS). The magnetic recording transducer includes a pole, a side shield, a nonmagnetic gap between the side shield and the pole and at least one coil for energizing the pole. The pole has a pole tip proximate to the ABS. The side shield includes at least one nonconformal portion that extends from a throat height in a stripe height direction perpendicular to the ABS and is nonconformal with the pole. The spacing between the nonconformal portion(s) of the side shield and the pole varies based on a distance from the ABS.Type: GrantFiled: May 25, 2012Date of Patent: July 29, 2014Assignee: Western Digital (Fremont), LLCInventors: Feng Liu, Yugang Wang, Zhigang Bai, Hongzhou Jiang, Tao Pan, Shaoping Li