Patents by Inventor Jianping Xu

Jianping Xu 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).

  • Patent number: 10620336
    Abstract: The present disclosure relates to a method, a device and a system for inspecting a moving object based on cosmic rays, pertaining to the field of radiation imaging and safety inspection techniques. The method includes: detecting whether a speed of the inspected moving object is within a preset range; recording a motion trajectory of the moving object with a monitoring device; acquiring information about charged particles in the cosmic rays with a position sensitive detector, the information about charged particles including track information of the charged particles; determining the moving object by matching positions of the motion trajectory and the track information; reconstructing the track of the charged particles according to the information about the charged particles; and recognizing the material inside the moving object based on the track reconstruction.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 14, 2020
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Jianping Cheng, Zhiqiang Chen, Ziran Zhao, Junli Li, Xuewu Wang, Zhi Zeng, Qingjun Zhang, Jianping Gu, Xi Yi, Bicheng Liu, Guangming Xu, Yongqiang Wang
  • Patent number: 10613247
    Abstract: The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 7, 2020
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Junli Li, Xuewu Wang, Yaohong Liu, Zhi Zeng, Jianping Gu, Song Liang, Bicheng Liu, Guangming Xu, Yongqiang Wang
  • Publication number: 20200102546
    Abstract: The present invention relates to glutamate dehydrogenase mutants and their application in preparation of L-phosphinothricin. The amino acid sequences of the glutamate dehydrogenase mutants are as shown in SEQ ID NO. 1˜9, 11, 13, 15, 17˜19 and 22. By means of molecular engineering, mutating the specific alanine in glutamate dehydrogenase substrate-binding pocket into glycine and/or mutating the specific valine in glutamate dehydrogenase substrate-binding pocket into alanine, the present invention has obtained NADPH-specific glutamate dehydrogenase mutants with high enzyme activity in catalyzing the substrate 2-oxo-4-[(hydroxy)(methyl)phosphinoyl]butyric acid or its salt for L-phosphinothricin preparation or NADH-specific glutamate dehydrogenase mutants with catalytic activity toward PPO; this has significantly improved substrate conversion, and increased the product concentration of the L-phosphinothricin preparation process.
    Type: Application
    Filed: September 12, 2018
    Publication date: April 2, 2020
    Applicant: ZHEJIANG UNIVERSITY
    Inventors: Lirong YANG, Xinjian YIN, Jianping WU, Gang XU
  • Patent number: 10599914
    Abstract: The present disclosure discloses a method and apparatus for human face image processing. A specific embodiment of the method comprises: locating facial feature points in a human face image, extracting an image of a human face region according to a range defined by the facial feature points, transforming a facial image of the source image according to a face shape of the target image, transforming the facial image of the source image according to a complexion distribution of a facial region of the target image, and obtaining a new human face by combining the facial image of the source image and a facial image of the target image. The embodiment achieves a facial image processing with higher similarity to the user in the image, of simple steps, small calculation and high real-time performance.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: March 24, 2020
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Guang Li, Jiawei Gu, Shasha Yan, Jianping Hao, Jiabin He, Li Xu, Jingtuo Liu, Fuguo Zhu, Zhengping Wei
  • Publication number: 20200040442
    Abstract: The present invention provides multilayer structures and articles formed from such structures. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising an outer layer that comprises a first polyethylene composition comprising at least two linear low density polyethylenes, wherein the first polyethylene composition has a density of 0.910 to 0.940 g/cm3, an MWHDE>95 greater than 135 kg/mol and an IHDE>95 greater than 42 kg/mol, wherein the film has a thickness of 10 to 60 microns after orientation; and (b) a metal layer comprising a metal deposited on the outer layer, wherein the metal comprises Al, Zn, Au, Ag, Cu, Ni, Cr, Ge, Se, Ti, Sn, or oxides thereof, and wherein the multilayer structure has an optical density of 1.0 to 3.
    Type: Application
    Filed: April 23, 2018
    Publication date: February 6, 2020
    Inventors: Gang Wang, Jingyi Xu, Jianping Pan, Xiao Bing Yun
  • Patent number: 10505934
    Abstract: A sensitive information processing method, device and server, and a security determination system. The method includes acquiring to-be-processed information in a page; determining whether the to-be-processed information is sensitive information according to a preset sensitive information identification strategy; performing processing according to a preset sensitive information processing strategy when the to-be-processed information is sensitive information, to form processed sensitive information; and substituting the corresponding to-be-processed information in the page with the processed sensitive information, to form a page with the processed sensitive information. By using the example embodiments of the present application, identification and processing for sensitive information in a page returned to a user may be completed on a server terminal, which improves the security of the sensitive information in the page.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: December 10, 2019
    Assignee: Alibaba Group Holding Limited
    Inventors: Xiang Zhang, Jianping Lv, Zhengrong Chen, Ke Yang, Huiqing Xu, Wei Mou, Xingang Wang, Chao Sun, Xiaoxue Yu, Qinfei Jiang, Hanxiao Xiao
  • Patent number: 10497144
    Abstract: The present disclosure discloses a method and system for identifying a part of a vehicle and a vehicle inspection system. The method includes: acquiring a vehicle body image sequence of a vehicle to be identified; reconstructing the vehicle body by using a first vehicle body reconstruction model generated through a deep learning algorithm and on the basis of the vehicle body image sequence, so as to acquire a vehicle body reconstruction image of the vehicle to be identified; and identifying a boundary identifier of the vehicle to be identified on the basis of the vehicle body reconstruction image of the vehicle to be identified.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 3, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Yanwei Xu, Zheng Hu, Yongming Wang, Chuan Gao, Weifeng Yu, Qiang Li, Yuan Ma, Jianping Gu, Yu Hu, Shangmin Sun
  • Publication number: 20190319634
    Abstract: A high-speed and high-precision photonic analog-to-digital conversion device capable of realizing intelligent signal processing. Learning ability of deep learning technology is utilized to learn the nonlinear response and channel mismatch effect of the system and configure optimal parameters of the deep network. Deterioration of photonic analog-to-digital conversion system performance caused by nonlinear distortion and channel mismatch distortion is eliminated in real time, and performance indicators thereof are improved. By using the induction and deduction ability of deep learning technology, intelligent signal processing of the input signal is realized, and users are provided with digital signals that meet the requirements.
    Type: Application
    Filed: September 14, 2018
    Publication date: October 17, 2019
    Inventors: Weiwen Zou, Shaofu Xu, Jianping Chen
  • Publication number: 20190318236
    Abstract: Method and system for intelligent decision-making photonic signal processing, where the system comprises a multi-functional input unit, an electro-optical conversion module, a signal processing module, a photoelectric conversion module, a multi-functional output unit, and an artificial intelligence chip. The invention combines the advantages of photonic high-speed, wide-band, and electronic flexibility, combined with heterogeneous photoelectron hybrid integration, packaging and other processes, along with deep learning algorithm, is an intelligent electronic information system that may simultaneously realize digital and analog signal processing.
    Type: Application
    Filed: September 14, 2018
    Publication date: October 17, 2019
    Inventors: Weiwen ZOU, Lei YU, Shaofu XU, Bowen MA, Jianping CHEN
  • Publication number: 20190317240
    Abstract: The present disclosure provides a spiral Computed Tomography (CT) device and a three-dimensional image reconstruction method.
    Type: Application
    Filed: August 4, 2017
    Publication date: October 17, 2019
    Inventors: Zhiqiang CHEN, Ziran ZHAO, Yaohong LIU, Jianping GU, Qian YI, Bicheng LIU, Guangming XU
  • Publication number: 20190319633
    Abstract: A method for noise suppression and distortion correction of analog-to-digital converters based on deep learning that realizes effect of correcting noise and distortion of analog to digital converters. The method is applied to electronic ADCs or photonic ADCs. It utilizes the learning ability of the deep network to perform system response learning on ADCs which need noise suppression and distortion correction, establishes a computational model in the deep network that can suppress the reconstruction of noises and distorted signals, performs noise suppression and distortion correction on the signals obtained by ADCs, and thereby improves performance of the learned ADCs. The present invention has a very important role in improving the performance of the microwave photon system with high sampling precision of microwave photon radar and optical communication system.
    Type: Application
    Filed: September 14, 2018
    Publication date: October 17, 2019
    Inventors: Weiwen ZOU, Shaofu XU, Jianping CHEN
  • Patent number: 10388818
    Abstract: There is provided a semiconductor detector. According to an embodiment, the semiconductor detector may include a semiconductor detection material including a first side and a second side opposite to each other. One of the first side and the second side is a ray incident side that receives incident rays. The detector may further include a plurality of pixel cathodes disposed on the first side and a plurality of pixel anodes disposed on the second side. The pixel anodes and the pixel cathodes correspond to each other one by one. The detector may further include a barrier electrode disposed on a periphery of respective one of the pixel cathodes or pixel anodes on the ray incident side. According to the embodiment of the present disclosure, it is possible to effectively suppress charge sharing between the pixels and thus to improve an imaging resolution of the detector.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: August 20, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Lan Zhang, Yingshuai Du, Bo Li, Zonggui Wu, Jun Li, Xuepeng Cao, Haifan Hu, Jianping Gu, Guangming Xu, Bicheng Liu
  • Publication number: 20190233260
    Abstract: The present disclosure relate to an improved portable distribution transformer hoisting rack, comprising a loose-leaf hold hoop, a fixed hold hoop, a supporting rod, and a length-adjustable adjusting rod, wherein: the loose-leaf hold hoop includes a first hold hoop, a second hold hoop, and a third hold hoop, the third hold hoop being disposed between the first hold hoop and the second hold hoop; one end of the supporting rod being rotatably connected to the third hold hoop; the other end of the supporting rod being provided with a hoisting assembly, one end of the adjusting rod being movably connected to the supporting rod, and the other end of the adjusting rod being movably connected to the fixed hold hoop.
    Type: Application
    Filed: December 28, 2018
    Publication date: August 1, 2019
    Applicant: Zhejiang Tailun Power Group Co., Ltd.
    Inventors: Zhen CHEN, Keqin YE, Jing XU, Shiyue QIN, Wenhui XU, Xinhang CHEN, Jianping XU, Shijun CHEN, Tianyuan GUO, Xinlong WU, Feng LV
  • Publication number: 20190211344
    Abstract: The present disclosure is in the field of plant transformation. The disclosure provides methods for increasing the rate of site-directed integration of a sequence of interest in plants. The disclosure also provides methods for increasing the efficiency of Rhizobiales-mediated plant transformation.
    Type: Application
    Filed: June 27, 2017
    Publication date: July 11, 2019
    Inventors: Elysia K. KRIEGER, Richard J. LAWRENCE, Zarir E. VAGHCHHIPAWALA, Jianping XU, Xudong YE
  • Publication number: 20190194681
    Abstract: Transgenic plants are provided comprising a plurality of transgenes comprised in a single locus. In certain aspects, 7 or more transgenes may be expressed from a first locus. Methods are provided for transformation of plant cells with a plurality of transgenes. Also provided are methods for expressing and enhancing the expression of one or more transgenes in a plant.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 27, 2019
    Inventors: Larry A. Gilbertson, Jonathan C. Lamb, Jason Ward, Jianping Xu
  • Patent number: 10295679
    Abstract: A semiconductor may include a semiconductor detection material including a first side and a second side opposite to each other, a cathode disposed on the first side, and an anode disposed on the second side. The anode includes an array of pixel anodes defining detection pixels of the semiconductor detector, and intermediate anodes disposed between adjacent ones of the pixel anodes. According to an embodiment of the present disclosure, it is possible to achieve signal correction to improve the energy resolution and the signal-to-noise ratio of the detector.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: May 21, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Lan Zhang, Yingshuai Du, Bo Li, Zonggui Wu, Jun Li, Xuepeng Cao, Haifan Hu, Jianping Gu, Guangming Xu, Bicheng Liu
  • Publication number: 20190067610
    Abstract: A method of making a passivated thin film transistor component for use in a display device, is provided, comprising: providing a thin film transistor component, comprising: a substrate, at least one electrode, a dielectric and a semiconductor; providing a film forming matrix material; and, providing a plurality of non-crystalline hydrophobic silica particles having an average particle size of 5 to 120 nm and a water absorbance of <2% determined according to ASTM E1131; combining the film forming matrix material and the plurality of non-crystalline hydrophobic silica particles to form a composite; and, applying the composite to the thin film transistor component to form a barrier film thereon, providing the passivated thin film transistor component; wherein the semiconductor is interposed between the barrier film and the substrate.
    Type: Application
    Filed: March 31, 2016
    Publication date: February 28, 2019
    Inventors: Xiaomei SONG, Yuanqiao RAO, Nan HU, Zhe LI, Andong LIU, Wen YANG, Jianping XU
  • Patent number: 10179916
    Abstract: Transgenic plants are provided comprising a plurality of transgenes comprised in a single locus. In certain aspects, 7 or more transgenes may be expressed from a first locus. Methods are provided for transformation of plant cells with a plurality of transgenes. Also provided are methods for expressing and enhancing the expression of one or more transgenes in a plant.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: January 15, 2019
    Assignee: Monsanto Technology LLC
    Inventors: Larry Gilbertson, Jason Ward, Jianping Xu, Jon Lamb
  • Publication number: 20170362139
    Abstract: The present disclosure relates to enhanced nitrification inhibitor dry fertilizer compositions, methods for making the same, and their use in agricultural applications.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 21, 2017
    Inventors: Shiling Zhang, Yonnie Yun, Tong Sun, Christine Lao, Job Jan Samson, Lei Liu, Eliza Yuan, Jian Zou, Jianping Xu
  • Patent number: 9630641
    Abstract: A carrier with a stair climbing aid includes a carrier including a top surface, a bottom surface, and a front surface and a rear surface between the top surface and the bottom surface, at least one guide bar attached to the rear surface, the guide bar having a first end disposed proximate a corner between the bottom surface and the rear surface and a second end at least as high as stair risers of stairs expected to be climbed, at least one elongated member movably attached to the guide bar, and an arrangement for urging a top end of the elongated, member toward the second end of the guide bar.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: April 25, 2017
    Inventor: Jordan Jianping Xu