Patents by Inventor Xiaofeng Zhao
Xiaofeng Zhao 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: 11976961Abstract: A transfer impedance calibration device for transducers based on spatial frequency domain smoothing technology is provided. The calibration device comprises a signal transmitter, a power amplifier, a transducer pair, a measurement amplifier, a signal collector, a measurement processor and a current sampler. The device extracts acoustic channel information through the sound filed spatial information or measurement method to design a spatial domain smoothing filter, and then comprehensively processes the transmitted current signal and the received signal through the spatial frequency domain smoothing technology to obtain the transfer impedance of the transducer pair.Type: GrantFiled: April 29, 2020Date of Patent: May 7, 2024Assignee: Zhejiang UniversityInventors: Yi Chen, Liuqing Yang, Xiaofeng Jin, Guanghui Jia, Han Zhao
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Patent number: 11978940Abstract: The present disclosure relates to dielectric duplexers. One example dielectric duplexer includes a dielectric body, where an input/output structure, a tap, a first resonance structure, and a second resonance structure are provided on surfaces of the dielectric body. The tap and the input/output structure are provided on different surfaces of the dielectric body. The tap and the input/output structure are located between the first resonance structure and the second resonance structure. A first resonator consists of the first resonance structure and the dielectric body around the first resonance structure, and a second resonator consists of the second resonance structure and the dielectric body around the second resonance structure. A conducting layer covers a surface of the input/output structure, the tap, the first resonance structure, and the second resonance structure, and the conducting layer covers the surface of the dielectric body except a region around the input/output structure.Type: GrantFiled: June 24, 2021Date of Patent: May 7, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Dan Liang, Xiaofeng Zhang, Guoshuai Zhao
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Publication number: 20240142829Abstract: An array substrate includes a first substrate; and a first electrode and a second electrode disposed on the first substrate and located in a sub-pixel region. At least one of the first electrode and the second electrode includes a plurality of electrode strips. Every two adjacent electrode strips in the first electrode and the second electrode have a slit therebetween. The slit includes a first end portion, a straight portion, and a second end portion connected in sequence. A bend is formed at a connection position of the first end portion and the straight portion, and the second end portion is formed by protruding from the straight portion. The straight portion includes a first edge and a second edge parallel to each other, and an average width of the first end portion in a direction perpendicular to the first edge is less than a width of the straight portion.Type: ApplicationFiled: July 5, 2022Publication date: May 2, 2024Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian WANG, Jinshuai DUAN, Xiaojuan WU, Hongliang YUAN, Zepeng SUN, Wei ZHAO, Yao BI, Jiaxing WANG, Xiaofeng YIN
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Publication number: 20240143999Abstract: The present invention provides a multi-modal data prediction method based on a causal Markov model, belonging to the technical field of intelligent traffic technology; the method of the present invention includes: collecting regional data and multi-modal traffic data of a research region; taking the time position, the regional point of interest and the weather information as conditional feature variables; taking the regional attraction factor, the bicycle demand factor, the taxi demand factor, the bus demand factor and the traffic speed factor as physical concept variables; taking the bicycle traffic flow, the taxi traffic flow, the bus traffic flow and the regional speed as multi-modal traffic data observation variables, and describing the generation process of the multi-modal traffic flow by using a causal Markov process; solving the causal Markov process by using a neural network, and training a built neural network for the multi-modal traffic data observation.Type: ApplicationFiled: May 19, 2023Publication date: May 2, 2024Inventors: Pan DENG, Yu ZHAO, Lin ZHANG, Xiaofeng JIA, Yan LIU, Junting LIU, Mulan WANG
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Publication number: 20240118263Abstract: Disclosed are target for screening anti-tumor drug, application use thereof and screening method therefor. Disclosed are a target for screening a drug for treating and/or preventing tumors, the target for screening the drug for treating and/or preventing tumors comprise selenoprotein; and a target for screening a drug for preventing tumor metastasis, the target for screening the drug for preventing the tumor metastasis comprising selenoprotein. Also disclosed is a method for screening a drug for treating and/or preventing tumors or a drug for preventing tumor metastasis, the method comprising: interacting a candidate drug with the selenoprotein; and screening the drug for treating and/or preventing tumors or the drug for preventing tumor metastasis according to an affinity between the candidate drug and the selenoprotein; and the candidate drug with a high affinity with the selenoprotein is taken as a candidate primarily screened drug.Type: ApplicationFiled: October 10, 2020Publication date: April 11, 2024Applicant: SHENYANG FUYANG PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Enhong JIANG, Weiqing HE, Mingyu XIA, Dong WANG, Xundong JIANG, Xiaofeng ZHAO
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Publication number: 20240109974Abstract: Disclosed in the present invention are a humanized antibody that can specifically bind to TNFR2, or an antigen-binding fragment thereof. The humanized antibody or antigen-binding fragment thereof can regulate the function of immune cells and can be used in a drug for treating diseases related to immune abnormalities, such as tumours.Type: ApplicationFiled: January 27, 2022Publication date: April 4, 2024Applicant: SHANDONG SIMCERE BIOPHARMACEUTICAL CO., LTD.Inventors: Xiaofeng ZHAO, Shiqiang LU, Zhuoxiao CAO, Renhong TANG, Jinsheng REN
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Publication number: 20240114760Abstract: The invention provides a close space annealing method and a method for preparing a perovskite film or a solar cell. The method includes: placing a substrate coated with the perovskite precursor film on a hot plate, the hot plate being in direct contact with the back face of the substrate; controlling the evaporated amount and residual amount of the solvent in the perovskite precursor film by controlling the temperature of the hot plate and the heating duration, so that the perovskite materials are crystallized into perovskite grains to form a perovskite intermediate-phase film; placing the perovskite intermediate-phase film on the permeable membrane with the back face of the substrate facing upward, continuing with heating, so that adjacent perovskite grains merge with each other; and raising the temperature of the hot plate and continuing with heating so that the perovskite grains form a perovskite light-absorbing layer.Type: ApplicationFiled: December 6, 2023Publication date: April 4, 2024Inventors: Changlei WANG, Dewei ZHAO, Xiaofeng LI
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Publication number: 20240092679Abstract: The present invention discloses a fabrication method and use of a ?40 mm large-size and high-contrast fiber optic image inverter, belonging to the field of manufacturing of fiber optic imaging elements. The light-absorbing glass for preparing the ?40 mm large-size and high-contrast fiber optic image inverter consists of the following components in molar percentage: SiO2 60-69.9, Al2O3 1.0-10.0, B2O3 10.1-15.0, Na2O 1.0-8.0, K2O 3.0-10.0, MgO 0.1-1.0, CaO 0.5-5.0, ZnO 0-0.1, TiO2 0-0.1, ZrO2 0.1-1.0, Fe2O3 3.0-6.5, Co2O3 0.1-0.5, V2O5 0.51-1.5 and MoO3 0.1-1.0. The fiber optic image inverter has the advantages of low crosstalk of stray light, high resolution and high contrast.Type: ApplicationFiled: July 20, 2023Publication date: March 21, 2024Inventors: Lei Zhang, Jinsheng Jia, Yue Zhao, Yu Shi, Huichao Xu, Haoyang Yu, Jing Zhang, Zhiheng Fan, Xian Zhang, Xiaofeng Tang, Puguang Song, Jiuwang Wang, Yun Wang, Yang Fu, Yajie Du, Yonggang Huang
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Publication number: 20240070182Abstract: Implementations of the present specification disclose an event risk detection method, apparatus, and device.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Inventors: Wenbiao ZHAO, Haotian WANG, Xiaofeng WU, Weiqiang WANG
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Publication number: 20230159971Abstract: The present disclosure provides a spiramycin-producing strain, a carrimycin-producing strain, construction method therefor, use thereof and method for increasing the product yield thereof. The provided spiramycin-producing strain has an inactivated gene Lrp (?lrp-SP); and the strain has a preservation number of CGMCC No.16056. The provided carrimycin-producing strain has an inactivated gene Lrp (?lrp-BT); and the strain has a preservation number of CGMCC No.16055. By inactivating the gene Lrp, the yields of spiramycin and carrimycin are increased; and particularly the yield and proportion of a major component of the carrimycin, that is, 4?-O-isovalerylspiramycin III are significantly increased.Type: ApplicationFiled: December 12, 2019Publication date: May 25, 2023Applicant: SHENYANG FUYANG PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Enhong JIANG, Weiqing HE, Xiaofeng ZHAO, Xunlei JIANG
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ROTATION SHAFT MECHANISM FOR FOLDABLE SCREEN, FOLDABLE SCREEN ASSEMBLY, AND FOLDABLE MOBILE TERMINAL
Publication number: 20220311847Abstract: The present application provides a rotation shaft mechanism for a foldable screen, a foldable screen assembly, and a foldable mobile terminal. The present application can make the foldable screen of the foldable terminal work more reliably and smoothly. It has outstanding advantages of simpler structure, easy implementation, low cost, strong reliability, long lifespan, and more application fields, and can be widely used in foldable mobile terminals.Type: ApplicationFiled: December 12, 2019Publication date: September 29, 2022Applicant: HuiZhou TCL Mobile Communication Co., Ltd.Inventors: Xiaofeng ZHAO, Yongqiu XIE -
Patent number: 11413302Abstract: A medicament for preventing and/or treating a disease is disclosed, the disease is Alzheimer's disease, diabetes or senility; and the medicament includes a first active ingredient, and the first active ingredient includes one of carrimycin, isovalerylspiramycin I, isovalerylspiramycin II and isovalerylspiramycin III, or a combination of two or three of isovalerylspiramycin I, isovalerylspiramycin II and isovalerylspiramycin III.Type: GrantFiled: January 18, 2019Date of Patent: August 16, 2022Assignee: SHENYANG FUYANG PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Mingyu Xia, Xiaofeng Zhao, Xunlei Jiang, Xundong Jiang
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Publication number: 20220135489Abstract: The present disclosure discloses a method for preparing a continuous fiber-reinforced ceramic matrix composite by flash sintering technology, including: placing a continuous ceramic fiber preform in a mold, adding a nano-ceramic powder, and subjecting the resultant to mechanical oscillation and press forming in sequence to obtain a green body; heating the green body to a preset temperature and applying an electric field with a preset electric field intensity, until occurrence of flash sintering; and converting a power supply from a constant voltage state to a constant current state, holding at the temperature and cooling to obtain the continuous fiber-reinforced ceramic matrix composite.Type: ApplicationFiled: October 25, 2021Publication date: May 5, 2022Applicant: SHANGHAI JIAO TONG UNIVERSITYInventors: Juan Jiang, Na Ni, Xiaofeng Zhao, Qi Ding, Weiwei Xiao, Yinchun Shi
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Patent number: 11315959Abstract: The present disclosure provides an array substrate and a display panel. The array substrate includes a wiring layer, and a non-wiring layer located on a bottom portion of the wiring layer. The non-wiring layer includes a first film layer and a second film layer, which are sequentially stacked in a direction away from the wiring layer. A refractive index of the second film layer is smaller than a refractive index of the first film layer.Type: GrantFiled: January 8, 2020Date of Patent: April 26, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xiaofeng Zhao
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Publication number: 20220017630Abstract: An antibody or an antigen-binding fragment thereof capable of specifically binding to TNFR2, the antibody or the antigen-binding fragment thereof is capable of regulating the function of immune cells and may be used as a medicament to treat diseases related to immune-related disorders, such as tumors.Type: ApplicationFiled: July 31, 2020Publication date: January 20, 2022Inventors: Xinyan ZHAO, Xiaofeng ZHAO, Shiqiang LU, Ran PANG, Xinxin LI, Jinsheng REN
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Publication number: 20210408079Abstract: The present disclosure provides an array substrate and a display panel. The array substrate includes a wiring layer, and a non-wiring layer located on a bottom portion of the wiring layer. The non-wiring layer includes a first film layer and a second film layer, which are sequentially stacked in a direction away from the wiring layer. A refractive index of the second film layer is smaller than a refractive index of the first film layer.Type: ApplicationFiled: January 8, 2020Publication date: December 30, 2021Inventor: Xiaofeng ZHAO
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Patent number: 11180419Abstract: A method for the preparation of a dense HfC(Si)—HfB2 composite ceramic. hafnium oxide powders, nano-sized carbon black and silicon hexaboride powders are mixed in a molar ratio of (1-10):(1-20):(1-5) to obtain a powder mixture. The powder mixture is subjected to ball milling, dried and transferred to a graphite mold for spark plasma sintering. In this way, an in-situ carbon-boron reduction reaction and the sintering densification are completed in one step, and the obtained HfC(Si)—HfB2 composite ceramic has a density of 94.0%-100% and uniformly dispersed grains.Type: GrantFiled: February 26, 2021Date of Patent: November 23, 2021Assignee: SHANGHAI JIAO TONG UNIVERSITYInventors: Wei Hao, Xiaofeng Zhao, Na Ni, Huangyue Cai, Yao Yao, Meiyu Yi, Fangwei Guo
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Patent number: 11049710Abstract: The present application relates to an ion transmission device, more particularly, to a device and method for generating, storing and transmitting positive and negative ions. The device includes a wire electrode, a perforated insulating board, a tensioning device, an axial field electrode and an ion source for providing ions. The generated positive and negative ions are respectively stored on two ends of a cavity by the device; and the positive or negative ions are led out as needed. The utilization efficiency of positive and negative ions, as well as sensitivity, are greatly improved by the device.Type: GrantFiled: November 6, 2019Date of Patent: June 29, 2021Inventor: Xiaofeng Zhao
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Publication number: 20210187324Abstract: A position monitoring system is provided. The position monitoring system includes: a first support, configured to be movably connected to a patient supporting device; at least one first marking component, disposed at a portion to be treated of a patient; at least one second marking component, disposed at a preset position; a movement monitoring device, disposed on the first support and configured to monitor a displacement of the first marking component relative to the second marking component; and a control device, connected to the movement monitoring device and configured to determine whether a position of the portion to be treated of the patient is moved according to the displacement monitored by the movement monitoring device.Type: ApplicationFiled: September 5, 2018Publication date: June 24, 2021Inventor: Xiaofeng ZHAO
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Patent number: D1025174Type: GrantFiled: November 10, 2022Date of Patent: April 30, 2024Inventor: Xiaofeng Zhao