Patents by Inventor Dan Ma
Dan Ma 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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Patent number: 12256395Abstract: This application provides an information transmission method and apparatus. A terminal receives downlink control information (DCI), wherein a format of the DCI corresponds to a time domain resource set, the time domain resource set comprises first time domain resource. The terminal determines the first time domain resource from the time domain resource set based on the format of the DCI and second information, wherein the second information is carried in the DCI, and the second information indicates the index of the first time domain resource in the time domain resource set. And the terminal performs information transmission on the first time domain resource and through a physical channel.Type: GrantFiled: December 11, 2020Date of Patent: March 18, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Ruixiang Ma, Yongxia Lyu, Jiafeng Shao, Shengyu Li, Dan Hu
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Publication number: 20250081819Abstract: Provided is a display panel. The display panel includes: a base substrate, a plurality of light-emitting devices, a package layer, a hydrophobic layer, an isolation portion, and a light conversion structure; wherein the light-emitting devices are disposed on a side of the base substrate; the package layer is disposed on a side of the light-emitting devices and configured to package the light-emitting devices; the hydrophobic layer is disposed on a side of the package layer and in direct contact with the package layer; the isolation portion is disposed on a side of the hydrophobic layer, wherein a plurality of apertures are defined in the isolation portion; and the light conversion structure is disposed in the apertures and includes a transparent medium layer and a plurality of particles, and a face of the transparent medium layer is in direct contact with the hydrophobic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG, Xingjian CHENG
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Publication number: 20250081734Abstract: Provided is a display panel. The display panel includes: a base substrate; a plurality of light-emitting devices on a side of the base substrate; a package layer on a side of the plurality of light-emitting devices, wherein the package layer is configured to package the light-emitting devices; a hydrophilic layer on a side of the package layer, wherein the hydrophilic layer is in direct contact with the package layer; an isolation portion on a side of the hydrophilic layer, wherein a plurality of apertures are defined in the isolation portion; and a light conversion structure in the plurality of apertures, wherein the light conversion structure includes a transparent medium layer made of a hydrophilic material and a plurality of particles dispersed in the transparent medium layer, and a face, close to the base substrate, of the transparent medium layer is in direct contact with the hydrophilic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG
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Patent number: 12236256Abstract: The system provided in the present application includes a public key infrastructure builder, a container image identity builder, a signature list builder, a container image verifier, a signature list and user certificates loader, and a container program verifier. The method provided in the present application is capable of conveniently authorizing container images and software running in the container, and verifying the container images and programs in the container at the right time, so as to ensure that container images running on the container platform are trusted, and the software running in the container is also trusted, thereby improving the security of the container platform.Type: GrantFiled: April 1, 2020Date of Patent: February 25, 2025Assignee: INSTITUTE OF INFORMATION ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Aimin Yu, Jiangang Ma, Yue Wang, Dan Meng
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Patent number: 12232167Abstract: Certain aspects of the present disclosure provide techniques for supporting multiple types of random access occasions. A method that may be performed by a user equipment (UE) includes receiving, from a base station (BS), an indication of at least two types of random access occasions (ROs) including a first RO type and a second RO type for communicating in a first coverage area of the BS as part of a random access process for the UE to establish a connection with the BS in the first coverage area. The method further includes transmitting, to the BS, a preamble on an RO of one of the first RO type or the second RO type, wherein a preamble format of the preamble is based on whether the RO is of the first RO type or the second RO type.Type: GrantFiled: October 2, 2019Date of Patent: February 18, 2025Assignee: QUALCOMM IncorporatedInventors: Xiao Feng Wang, Iyab Issam Sakhnini, Dan Zhang, Huilin Xu, Peter Gaal, Jun Ma, Yiqing Cao
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Patent number: 12216212Abstract: Disclosed are techniques for positioning. A receiver measures a time of arrival (ToA) of a positioning reference signal (PRS) transmission of a first PRS sequence transmitted by a first transmitter, measures a ToA of a PRS transmission of a second PRS sequence transmitted by a second transmitter, and determines an observed time difference of arrival (OTDOA) as a difference between the ToA of the PRS transmission of the first PRS sequence and the ToA of the PRS transmission of the second PRS sequence, wherein the OTDOA is less than half a maximum differential delay expected between the PRS transmission of the first PRS sequence and the PRS transmission of the second PRS sequence, and wherein a repetition duration of the first PRS sequence and the second PRS sequence is greater than 10 milliseconds (ms) and at least twice the maximum differential delay.Type: GrantFiled: January 14, 2020Date of Patent: February 4, 2025Assignee: QUALCOMM IncorporatedInventors: Jun Ma, Qiang Wu, Huilin Xu, Xiao Feng Wang, Iyab Issam Sakhnini, Dan Zhang, Yiqing Cao
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Patent number: 12212559Abstract: A security defending method, a coprocessor, and a processing apparatus are disclosed. The security defending method is applicable in a coprocessor, including: receiving a jump destination encryption request for the operation task; using mask configuration to perform first mask processing on the first jump destination address value to obtain a first intermediate jump destination address value; performing an authentication operation based on the first jump destination storage address, a key reference value corresponding to the operation task and the first intermediate jump destination address value, to obtain a first encryption result value; using the mask configuration to perform second mask processing on the first encryption result value to obtain a first intermediate encryption result value; performing an authentication operation on the first intermediate encryption result value and the first jump destination address value to obtain a first encryption jump destination address value.Type: GrantFiled: December 29, 2022Date of Patent: January 28, 2025Assignee: Beijing ESWIN Computing Technology Co., Ltd.Inventors: Baoguang Liu, Dan Liu, Liu Cao, Lele Ma, Wenjuan Zhang, Xun Zhang, Xianshuai Yang, Bin Liu, Xinyu Qin, Yifan Liu, Kaixuan Wang, Jun Han
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Publication number: 20250026773Abstract: The present invention provides a mono-p-toluenesulfonate of (S)-(2-((5-chloro-2-((7-(pyrrolidin-1-yl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)amino)pyrimidin-4-yl)amino)-5-(methoxymethyl)phenyl)dimethyl phosphine oxide, and a hydrate and a crystal form thereof. The crystal form of p-toluenesulfonate has a good stability, is easy to process, and has a high solubility.Type: ApplicationFiled: November 25, 2022Publication date: January 23, 2025Inventors: Changyou MA, Linlin ZHANG, Haiwei FENG, Tingli ZHAO, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
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Patent number: 12202036Abstract: The application discloses a system and method for centrifugal intrusion of molten metal into porous media and then solidification positioning, including: test cups, used for placing test medium and molten metal intrusion; a rotor block, used for mounting the test cups, where one end of each test cup for placing the test medium is far away from the rotor block; a constant temperature oil bath preheating device, used for preheating the test cups and the rotor block; a centrifugal device, internally provided with the rotor block, used for performing a centrifugal operation on the test cups, where the test cups and the rotor block are installed inside the centrifugal device after being preheated; and an infrared heating and compression refrigerating device, arranged inside the centrifugal device, used for controlling a temperature of the test cups.Type: GrantFiled: June 28, 2024Date of Patent: January 21, 2025Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, JIANGSU RESEARCH INSTITUTE OF BUILDING SCIENCE CO., LTD., JIANGSU SOBUTE NEW MATERIALS CO., LTD., HUNAN XIANGYI LABORATORY INSTRUMENT DEVELOPMENT CO., LTD.Inventors: Jiangyu Wu, Dan Ma, Qian Yin, Weiqiang Chen, Hao Zhang, Wen Xu, Hongwen Jing, Bo Meng, Yurong Wu, Jihuai Wen, Gaofang Zhu, Qingbin Meng
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Patent number: 12198236Abstract: Provided are a map data processing method and apparatus, and a storage medium, which relate to the field of data processing technology and, in particular, to artificial intelligence technology, for example, computer vision, map technology, and intelligent transportation. A specific implementation solution includes: processing landform coverage data according to a type of surface species coverage and a data processing rule associated with the type of surface species coverage to obtain a surface species coverage effect map; and generating a landform map according to the surface species coverage effect map and a reference map.Type: GrantFiled: June 15, 2022Date of Patent: January 14, 2025Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Xiaopei Hou, Junjun Zhang, Changjun Sheng, Juntao Tong, Jiajing Fu, Dan Ma, Yingjie Niu, Wenya Liu, Yuke Zhang, Yun Zhao, Youhan Chen, Xiufeng Han, Xiulong Xia, Yang Zhang
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Patent number: 12188339Abstract: Disclosed are a hydraulic fracturing and cutting cooperative device suitable for a hard rock and a use method thereof, belonging to the technical field of high-efficiency and rapid excavation of hard rock roadway (tunnel). The hydraulic fracturing and cutting cooperative device suitable for a hard rock provided by the disclosure includes a drill pipe, a pneumatic drilling system, a hydraulic fracturing system, a collaborative control system and a cutting head.Type: GrantFiled: April 16, 2024Date of Patent: January 7, 2025Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGYInventors: Dan Ma, Qiang Li, Wentao Hou, Zhenhua Li, Yuanbo Xue, Xuefeng Gao, Kuirun Zhang, Weihao Huang, Zaixing Zu, Hao Wu, Hao Yan
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Publication number: 20250006411Abstract: A high-remanence neodymium-iron-boron magnet, and a preparation method and the use thereof are provided. The neodymium-iron-boron magnet has crystal grains with an R-T-B type compound as a main structure, and a grain boundary phase. By means of adjusting the proportional relation of elements such as B, Cu, Ga, RE and Ti, the neodymium-iron-boron magnet can achieve a relatively high main phase grain volume ratio and effectively restrain the proportion of a B-rich phase in the grain boundary phase, such that the magnet has relatively high Br, and also has both good Hcj and squareness performance.Type: ApplicationFiled: September 22, 2022Publication date: January 2, 2025Inventors: Yongjiang YU, Lei LIU, You Hua WANG, Dan MA, Yunying JIANG
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Publication number: 20240412903Abstract: A high-coercivity Nd—Fe—B sintered magnet and a preparation method and use thereof are provided. The sintered magnet contains the following components in percentage by a mass: 100%: 26-37 wt % of R, R being at least one rare earth element including Nd; 0.07-0.23 wt % of Mn; 0.8-1 wt % of B; 0.5-4 wt % of M, M comprising Cu and/or Al, and at least one selected from Co, Ti, Ni, Zr and Ga; and the remaining being Fe. A Mn-containing auxiliary alloy powder is mixed with a Mn-free neodymium-iron-boron main alloy powder to prepare the Nd—Fe—B sintered magnet. The Mn-containing auxiliary alloy powder, also contains at least one of metals Cu and Al. Mn can replace a part of Fe in the main phase, so that the amount of solid solution of beneficial elements in grain boundaries in the main phase is reduced, and the coercivity is improved.Type: ApplicationFiled: June 7, 2023Publication date: December 12, 2024Inventors: Yongjiang YU, Xiaoqian GU, Cong WANG, Yumeng ZHANG, Dan MA
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Patent number: 12158980Abstract: Distributed security key management for protecting roaming data via a trusted platform module is performed by systems that include first and second processors, and first and second respective hardware security modules. The first security module encrypts a security key using a public key from the second security module, and the encrypted security key is provided to the second security module. A virtual machine (VM) executed by the first processor has a first virtual security module instance having state data that includes a storage key encrypting VM virtual disk data and that is encrypted with the security key. When a transfer condition is determined, the VM is transferred and executed by the second processor, using a second virtual security module instance, based on decrypting the security key by the second security module using a private key and decrypting the state data for the second virtual security module using the security key.Type: GrantFiled: August 27, 2021Date of Patent: December 3, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Ronald Aigner, Giridhar Viswanathan, Lars Reuther, Alvin Morales Caro, David Kimler Altobelli, Dan Ma
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Publication number: 20240392669Abstract: Disclosed are a hydraulic fracturing and cutting cooperative device suitable for a hard rock and a use method thereof, belonging to the technical field of high-efficiency and rapid excavation of hard rock roadway (tunnel). The hydraulic fracturing and cutting cooperative device suitable for a hard rock provided by the disclosure includes a drill pipe, a pneumatic drilling system, a hydraulic fracturing system, a collaborative control system and a cutting head.Type: ApplicationFiled: April 16, 2024Publication date: November 28, 2024Inventors: Dan MA, Qiang LI, Wentao HOU, Zhenhua LI, Yuanbo XUE, Xuefeng GAO, Kuirun ZHANG, Weihao HUANG, Zaixing ZU, Hao WU, Hao YAN
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Publication number: 20240371003Abstract: A method for generating segmented images of a region of interest of a subject using magnetic resonance fingerprinting (MRF) includes receiving MRF data and a plurality of quantitative parameter maps generated using the MRF data, deriving a first set of image features based on the plurality of quantitative parameter maps and the MRF data, performing unsupervised clustering on each image feature in the first set of image features to generate a first set of clusters, determining a loss for each image feature and the associated cluster for the image feature, selecting a second set of image features based on the determined loss for each image feature, performing unsupervised clustering on the second set of image features to produce a second set of clusters, generating a non-background cluster with low probability voxels, and generating a segmented image based on the second set of clusters and the non-background cluster.Type: ApplicationFiled: May 6, 2024Publication date: November 7, 2024Inventors: Richard James Adams, Dan Ma
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TIME-RESOLVED IMAGE RECONSTRUCTION USING JOINT TEMPORALLY LOCAL AND GLOBAL SUBSPACE MODELING FOR MRI
Publication number: 20240361412Abstract: A method for reconstructing images using a self-calibrated subspace reconstruction includes receiving data acquired from a subject using a magnetic resonance imaging (MRI) system, generating aliasing-free low resolution images from at least a portion of the received data using temporally local low-rank matrix completion, estimating a temporally global subspace using the aliasing-free low resolution images, and generating aliasing-free high resolution images from the received data using temporally global subspace reconstruction that utilizes the estimated temporally global subspace. In some embodiments, a customized outlier detection algorithm can then be used to detect measurement errors in the aliasing-free high resolution images and to correct the aliasing-free high resolution images. Aliasing-free T1, T2, and ADC maps may be generated after comparing the corrected aliasing free high resolution images with a dictionary.Type: ApplicationFiled: April 23, 2024Publication date: October 31, 2024Inventors: Dan Ma, Zhilang Qiu -
Publication number: 20240361408Abstract: A method for generating magnetic resonance (MR) images using a magnetic resonance imaging (MRI) system includes determining an optimized set of sequence parameters for a pulse sequence using an optimization framework comprising a systematic error index (SEI) configured to characterize errors, performing, using the MRI system, the pulse sequence comprising the optimized set of sequence parameters to acquire data from a subject, and generating at least one image of the subject using the acquired data.Type: ApplicationFiled: April 29, 2024Publication date: October 31, 2024Inventors: Siyuan Hu, Dan Ma
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Patent number: 12071375Abstract: The present disclosure provides a cemented filling material with bionic structure, a preparation method and an application thereof, and belongs to the field of structural modification methods of cemented filling materials and research and development of civil materials with ultra-high energy absorption characteristics. The cemented filling material with bionic structure includes a bionic honeycomb skeleton and cemented filling slurry, where the cemented filling slurry is poured in the bionic honeycomb skeleton.Type: GrantFiled: March 20, 2024Date of Patent: August 27, 2024Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, JIANGSU RESEARCH INSTITUTE OF BUILDING SCIENCE CO., LTD., JIANGSU SOBUTE NEW MATERIALS CO., LTD.Inventors: Jiangyu Wu, Dan Ma, Hao Zhang, Qian Yin, Shuo Yang, Wen Xu, Gaofang Zhu, Zhenhua Li, Qingbin Meng, Bo Meng, Hongwen Jing, Jinpeng Dai
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Patent number: 11875509Abstract: A method for determining an undersampling error for a magnetic resonance fingerprinting (MRF) pulse sequence includes retrieving a plurality of sets of spatial response functions. Each set of spatial response functions is associated with a tissue type in a reference image and is based on a tissue mask of the reference image for each tissue type. A signal evolution for each tissue type may be generated based on, for example, the MRF pulse sequence, An undersampled image may be generated for each tissue type using the set of spatial response functions and the signal evolutions for the tissue type. At least one quantitative parameter may be determined by comparing an undersampled image series created from the undersampled images to an MRF dictionary. An undersampling error for the MRF pulse sequence may be generated by comparing a quantitative map (or maps) for the quantitative parameter (or parameters) and the reference image.Type: GrantFiled: April 5, 2021Date of Patent: January 16, 2024Assignee: Case Western Reserve UniversityInventors: Mark A. Griswold, Dan Ma, Debra McGivney, Rasim Boyacioglu