Patents by Inventor Zhengyu Zhang
Zhengyu Zhang 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: 11968497Abstract: The present invention discloses a Micro-Electro-Mechanical System MEMS) chip including a substrate with a back cavity; a capacitance system disposed on the substrate including a back plate, a membrane opposite to the back plate forming an inner cavity; a protruding portion accommodated in the inner cavity, fixed on one of the back plate and the membrane and spaced apart from the other along a vibration direction; a reinforce portion fixed to the membrane, having an area smaller than that of the membrane; a support system configured to support the capacitance system, including a first fixation portion suspending the membrane on the substrate, and a second fixation portion suspending the back plate on the substrate. The MEMS chip has higher sensitivity, higher resonance frequency and higher low frequency property.Type: GrantFiled: May 9, 2022Date of Patent: April 23, 2024Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Zhengyu Shi, Linlin Wang, Rui Zhang
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Patent number: 11950053Abstract: The present invention discloses a MEMS chip including a substrate with a back cavity; a capacitance system disposed on the substrate including a back plate, a membrane opposite to the back plate forming an inner cavity; a protruding portion accommodated in the inner cavity, fixed on one of the back plate and the membrane and spaced apart from the other along a vibration direction; a support system configured to support the capacitance system, including a first fixation portion suspending the membrane on the substrate, and a second fixation portion suspending the back plate on the substrate; the protruding portion comprises an annular first protruding portion and an annular second protruding portion surrounding the first protruding portion. The MEMS chip has higher sensitivity, higher resonance frequency and higher low frequency property.Type: GrantFiled: May 9, 2022Date of Patent: April 2, 2024Assignee: AAC Acoustic Technologies (Shenzhen) Co., Ltd.Inventors: Zhengyu Shi, Linlin Wang, Rui Zhang
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Publication number: 20240086362Abstract: A key-value store and a file system are integrated together to provide improved operations. The key-value store can include a log engine, a hash engine, a sorting engine, and a garbage collection manager. The features of the key-value store can be configured to reduce the number of I/O operations involving the file system, thereby improving read efficiency, reducing write latency, and reducing write amplification issues inherent in the combined key-value store and file system.Type: ApplicationFiled: September 27, 2023Publication date: March 14, 2024Inventors: Hao Wang, Jiaxin Ou, Sheng Qiu, Yi Wang, Zhengyu Yang, Yizheng Jiao, Jingwei Zhang, Jianyang Hu, Yang Liu, Ming Zhao, Hui Zhang, Kuankuan Guo, Huan Sun, Yinlin Zhang
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Publication number: 20240070135Abstract: Systems and methods are provided for improved point querying of a database. The index values are separated from data and retained in cache memory to allow access without requiring a disk input/output (I/O) operation and thereby having less latency resulting from such disk I/O operations. The index values can be compressed using an algorithm such as Crit-Bit-Trie to allow storage of the index values in limited cache memory space. The index values can be selected for storage according to a least recently used approach when cache memory is insufficient to store all index values to maintain a hit rate for the cached portion and reduce the disk I/O operations.Type: ApplicationFiled: September 27, 2023Publication date: February 29, 2024Inventors: Jiaxin Ou, Jingwei Zhang, Hao Wang, Hui Zhang, Ming Zhao, Yi Wang, Zhengyu Yang
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Publication number: 20230190210Abstract: Provided are a CT scanning method and system, an electronic device, and a computer-readable storage medium. The method includes: determining a first coordinate of a mark point of a part to be imaged in a dual-camera coordinate system; converting the first coordinate into a second coordinate of the mark point in a CT coordinate system according to coordinate system transformation parameters; generating first locating information according to the second coordinate to drive a scanning table to move to a first location designated by the first locating information; obtaining projection images of the part to be scanned; determining second locating information and scanning information of the part to be scanned according to the projection images; and driving the scanning table to move to a second location designated by the second locating information according to the second locating information and performing CT scanning according to the scanning information.Type: ApplicationFiled: December 20, 2022Publication date: June 22, 2023Applicants: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY, TSINGHUA UNIVERSITYInventors: Zhenchang WANG, Li ZHANG, Hongxia YIN, Yuxiang XING, Zhiqiang CHEN, Kejun KANG, Liang LI, Pengfei ZHAO, Zhengyu ZHANG, Jing LI, Han LV
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Publication number: 20230097700Abstract: An object of the present invention is to provide a compound useful as a therapeutic drug for an autoimmune disease such as systemic lupus erythematosus (SLE) and lupus nephritis of SLE patients by suppressing immune cell function by inhibiting proliferation of activated T cells and production of interferon alpha (IFN-?). The present invention provides a compound represented by formula (I): wherein R1, R2 and R3 are the same as defined in the specification, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: December 4, 2020Publication date: March 30, 2023Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Takashi Tsuji, Akira Nakao, Yuji Nakamura, Zhengyu Zhang, Mika Yokoyama, Makoto Iwanami
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Patent number: 11425725Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: GrantFiled: November 2, 2020Date of Patent: August 23, 2022Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Publication number: 20210136747Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: ApplicationFiled: November 2, 2020Publication date: May 6, 2021Applicant: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Publication number: 20210003712Abstract: According to an aspect of an embodiment, operations may comprise receiving a LIDAR scan of a scene from a LIDAR of a vehicle with the scene comprising a board, detecting the board in the LIDAR scan, fitting a plane through LIDAR coordinates corresponding to the detected board, projecting the plane from the LIDAR coordinates to a first set of camera coordinates, detecting the board in a camera image from a camera of the vehicle at a second set of camera coordinates, and calibrating the LIDAR of the vehicle and the camera of the vehicle by determining a transform between the first set of camera coordinates and the second set of camera coordinates.Type: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Inventors: Zhengyu Zhang, Lin Yang, Mark Damon Wheeler
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Patent number: 10827503Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: GrantFiled: October 25, 2018Date of Patent: November 3, 2020Assignee: Arizona Board of Regents on Behalf of Arizona State UniversityInventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Publication number: 20200285607Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: ApplicationFiled: March 17, 2020Publication date: September 10, 2020Inventor: Zhengyu Zhang
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Patent number: 10698861Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: GrantFiled: May 3, 2018Date of Patent: June 30, 2020Assignee: Ximpleware, Inc.Inventor: Zhengyu Zhang
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Publication number: 20190116587Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: ApplicationFiled: October 25, 2018Publication date: April 18, 2019Inventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Patent number: 10159079Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: GrantFiled: May 20, 2015Date of Patent: December 18, 2018Assignee: Arizona Board of Regents on Behalf of Arizona State UniversityInventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Publication number: 20180253436Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Inventor: Zhengyu Zhang
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Patent number: 9990364Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: GrantFiled: December 29, 2016Date of Patent: June 5, 2018Assignee: Ximpleware, Inc.Inventor: Zhengyu Zhang
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Publication number: 20170303258Abstract: A plurality of mobile devices is provided including a first mobile device of the plurality of mobile devices that serves as a relay for communication between a second mobile device of the plurality of mobile devices and a third mobile device of the plurality of mobile devices. The first mobile device is identified as the relay based on a social trust relationship formed between the first mobile device and the second mobile device. A D2D network is formed between the first mobile device and second mobile device. A communication channel is provided to the second mobile device from a second cellular network. A portion of the communication channel is allocated to the second mobile device using the D2D network to improve cellular transmission between the second mobile device and the third mobile device.Type: ApplicationFiled: May 20, 2015Publication date: October 19, 2017Inventors: Junshan Zhang, Xu Chen, Zhengyu Zhang
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Publication number: 20170109359Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventor: Zhengyu Zhang
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Publication number: 20130254219Abstract: The present invention provides a fast and efficient way of processing structured data by utilizing an intermediate file to store the structural information. The structured data may be processed into a Binary mask Format (BMF) file which may serve as a starting point for post-processing. A tree structure built on top of the BMF file may be constructed very quickly, and also takes up less space than a DOM tree. Additionally, BMF records may reside entirely in the memory and contain structural information, allowing SAX-like sequential data access.Type: ApplicationFiled: May 14, 2013Publication date: September 26, 2013Applicant: Ximpleware, Inc.Inventor: Zhengyu Zhang
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Publication number: 20120298169Abstract: A multi junction photovoltaic device includes lower pn junction layers comprising silicon and upper pn junction layers formed over the lower pn junction layers. The upper pn junction layers include a CdTe layer, wherein the upper pn junction layers are electrically serially connected to the lower pn junction layers. The upper pn junction layers can convert a first portion of photons into a first electric voltage. The lower pn junction layers can convert a second portion of photons into a second electric voltage lower than the first electric voltage.Type: ApplicationFiled: November 18, 2011Publication date: November 29, 2012Inventors: George X. Guo, Zhengyu Zhang