Patents Assigned to Shanghai Jiaotong University
  • Patent number: 10922140
    Abstract: Physical Graphics Processing Unit (GPU) resource scheduling system and method between virtual machines are provided. An agent is inserted between a physical GPU instruction dispatch and a physical GPU interface through a hooking method, for delaying sending instructions and data in the physical GPU instruction dispatch to the physical GPU interface, monitoring a set of GPU conditions of a guest application executing in the virtual machine and a use condition of physical GPU hardware resources, and then providing a feedback to a GPU resource scheduling algorithm based on time or a time sequence. With the agent, it is unneeded for the method to make any modification to the guest application of the virtual machine, a host operating system, a virtual machine operating system, a GPU driver and a virtual machine manager.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: February 16, 2021
    Assignee: SHANGHAI JIAOTONG UNIVERSITY
    Inventors: Miao Yu, Zhengwei Qi, Haibing Guan, Yin Wang
  • Patent number: 10913657
    Abstract: The present invention belongs to the field of new materials technology and discloses a green method for preparing functionalized carbon materials. The present invention can use potassium ferrate(VI) as an oxidant and mechanical milling as a reaction technique for oxidizing carbon materials in a preparation of functionalized carbon materials having oxygen-containing functional groups. Compared with the prior art, the present invention provides a method that combines an environmentally friendly oxidant with an environmentally friendly reaction process. The oxidant potassium ferrate(VI) is a green oxidant without producing any toxic byproducts. The reaction process is solvent-free, facilitated by milling the solid mixture of carbon materials and the oxidant. Thus, the present invention provides an environmentally friendly method for preparing oxidatively functionalized carbon materials, which is of promotion value.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: February 9, 2021
    Assignee: SHANGHAI JIAOTONG UNIVERSITY
    Inventors: Tao Li, Zhaoyang Zhang, Ying Zhou
  • Publication number: 20200367971
    Abstract: The present application relates to computer-based preoperative planning technology, and discloses a preoperative planning method for multimodal ablation treatment and apparatus thereof, which can automatically provide objective, scientific, and quantitative multimodal ablation planning information. In this method, acquiring parameters of an volume to be ablated; calculating property changes of the tissue caused by performing freezing on the volume according to the parameters of the volume to be ablated, and acquiring a first planning data required for the property changes of the tissue to satisfy a first predetermined condition; further calculating property changes of the tissue caused by performing heating on the volume to acquire a second planning data required for the property changes of the tissue to satisfy a second predetermined condition based on the properties satisfying the first predetermined condition; outputting the first planning data and the second planning data.
    Type: Application
    Filed: January 29, 2019
    Publication date: November 26, 2020
    Applicant: Shanghai Jiaotong University
    Inventors: Xuemin XU, Aili ZHANG, Jianqi SUN, Ping LIU, Wentao LI
  • Publication number: 20200238614
    Abstract: The present disclosure relates to an apparatus and a method for high-precision three-dimensional printing using a salt solution. The apparatus includes a receiving platform system and a printing device. The receiving platform system includes a conductivity cell, a high-voltage electrostatic generation system, a printing platform, and a printing platform driver. The conductivity cell contains salt solution. The high-voltage electrostatic generating system is connected with the conductivity cell. The printing platform is disposed in the salt solution in the conductivity cell. The printing platform driver is connected with the printing platform to drive the printing platform to move along a Z?-axis perpendicular to a horizontal direction. The printing device prints a product on the printing platform. The apparatus is convenient to operate, and solves the problems of low resolution of biological 3D printing, limited product height, and difficulty in using multiple printing methods in combination.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 30, 2020
    Applicant: Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine
    Inventors: Zhiguang QIAO, Xing ZHANG, Yongqiang HAO, Yu HAN, Binbin SUN, Chunbin LI, Meifei LIAN, Wenbo JIANG, Kerong DAI
  • Publication number: 20200239300
    Abstract: Described herein is a hydrogen sensor on medium or low temperature solid micro heating platform, comprising: a substrate; a thermal-insulating layer disposed above the substrate; a heating structure disposed above the thermal-insulating layer, and thermally and electrically isolated from the substrate by the thermal-insulating layer; a thermal-conducting layer covering the heating structure; and a sensitive layer disposed on the thermal-conducting layer. The sensitive layer can be heated to a set temperature by the heating structure to improve sensitivity and reduce the response time.
    Type: Application
    Filed: December 24, 2019
    Publication date: July 30, 2020
    Applicant: Shanghai Jiaotong University
    Inventors: Guifu Ding, Qi Liu, Yan Wang, Yunna Sun
  • Patent number: 10695821
    Abstract: A rivet rotational feeding method for friction self-piercing riveting (F-SPR) system, comprising: a semi-hollow rivet, a driving spindle and a die. The bottom surface of the rivet head is connected to the semi-hollow rivet shank. The semi-hollow rivet shank has a wedge-shaped end. The rivet head has rotation driving structures and positioning structure on the top end. The rotation driving structures are central symmetric concave or convex surfaces. The positioning structure is a central symmetric and mirror symmetric concave or convex surface. The matching between the driving spindle and the rivet can improve the rotation reliability and positioning accuracy of the riveting at a high rotational speed during F-SPR process, which is beneficial to solve the problems of poor stability and non-coincidence between the geometry axis and the rotation axis of the rivet.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: June 30, 2020
    Assignee: SHANGHAI JIAOTONG UNIVERSITY
    Inventors: Yongbing Li, Yunwu Ma, Ming Lou, Zhongqin Lin
  • Publication number: 20190391077
    Abstract: Provided are a metallic micro/nano-structure and an optical fiber having it on the end-facet. The metallic micro/nano-structure comprises of a metallic film and a micro/nano pattern in the metallic film. The micro/nano pattern divides the metallic film into a periodic structure and an embedded defect structure; the defect structure locally breaks the periodicity of the periodic structure; in at least one dimension, the periodic structure has a period T satisfying 0.75?<T<1.25?, ? is a wavelength of a surface plasmon at an interface between the metallic film and a medium; and the surface plasmon resonates within the defect structure and its surrounding area. The optical fiber end-facet device takes the advantages of single-mode optical fiber systems, including stable optical transmission, compact systems and flexible configurations.
    Type: Application
    Filed: September 6, 2017
    Publication date: December 26, 2019
    Applicant: SHANGHAI JIAOTONG UNIVERSITY
    Inventors: TIAN YANG, ZEYU LEI
  • Patent number: 10491140
    Abstract: Provided is a piezo-actuated planar motor, comprising a planar substrate and a mover installed on the planar substrate, the piezo-actuated planar motor further comprising: at least one piezo driving leg which is disposed on said mover so as to drive said mover to move on said planar substrate omnidirectionally in the plane. Further provided is a method of driving a planar motor by using piezo driving legs, which implements three movement modes, i.e., a sliding mode, a walking mode, and a fine tuning mode. The sliding mode has the fastest speed of motion, the walking mode has a relatively slow speed of motion but has a high positioning accuracy and a high-accuracy tracking capability, and the fine tuning mode is used for the adjustment of the planar motor at a final position and has the highest positioning accuracy. The piezo-actuated planar motor of the present invention can effectively overcome the defects of a small movement range and a low speed in a conventional nano-positioning platform.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: November 26, 2019
    Assignee: Shanghai Jiaotong University
    Inventors: Junbin Zhang, Peisen S. Huang
  • Patent number: 10480603
    Abstract: The present invention relates to an shock absorber based on the cutting, inward-folding and crushing of composite tube, comprising a destructing cap, a flat-pressing cap, a cutter and a positioning tube. The cutter is positioned in the destructing cap, and has a lower end connected to an inner flange of the destructing cap and an upper end connected to the positioning tube. The positioning tube is positioned in the destructing cap and closely connected to the inner wall of the destructing cap, and has a lower surface in contact with the cutter. The destructing cap, the positioning tube and the composite tube are respectively provided with aligned pin holes, and bound together with a pin. Energy is absorbed through destruction generated due to cutting and inward-folding of the composition tube. Energy can also be absorbed through destruction generated due to the inward-folding of the composite tube, without using the cutter.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: November 19, 2019
    Assignee: SHANGHAI JIAOTONG UNIVERSITY
    Inventors: Zhefeng Yu, Yi Fu
  • Publication number: 20190329173
    Abstract: A device for preventing contamination of a positive-pressure connector (6) of an indwelling needle and a method based on same. The device comprises a shell (1), a connecting port (3) fixedly connected to the shell (1) and used for connecting to the positive-pressure connector (6), an air pressure balance hole (5) disposed opposite to the connecting port (3) and provided on the shell (1), and a filtering membrane (2) provided between the air pressure balance hole (5) and the connecting port (3). The device is simple in structure, adopts a structural design of the filtering membrane (2), can filter microorganisms, bacteria, viruses, dusts, and particulate pollution sources, and is used during indwelling of infusion intervals to prevent the positive-pressure connector (6) from being exposed to the air and maintain the aseptic state and positive-pressure condition of the positive-pressure connector (6) during indwelling.
    Type: Application
    Filed: August 25, 2017
    Publication date: October 31, 2019
    Applicants: SHANGHAI JIAOTONG UNIVERSITY, SHANGHAI GOLDEN PHARMATECH CO., LTD.
    Inventors: Zhenmin MAO, Xiaoping ZHAN, Yan LONG, Chaoting WANG
  • Patent number: 10461850
    Abstract: Frequency synthesis-based optical frequency domain reflectometry method and system are disclosed. The method is to implement optical frequency reflectometry and comprises: performing an electro-optic modulation and an acousto-optic modulation on a local light to obtain an optical pulse; inputting the optical pulse as a detection pulse optical signal to a test optical fiber; and detecting an obtained Rayleigh backscattered optical signal under coherent detection with the local light, and then performing a photoelectric conversion and a demodulation, wherein: the electro-optic modulation is performed by using a single frequency signal; the acousto-optic modulation is performed by using a pulse signal; and the optical pulse is obtained by simultaneously sweeping multiple frequency components of an optical comb signal which is obtained by the electro-optic modulation.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: October 29, 2019
    Assignees: SHANGHAI JIAOTONG UNIVERSITY, NEUBREX CO., LTD.
    Inventors: Zuyuan He, Qingwen Liu, Xinyu Fan, Dian Chen
  • Patent number: 10370323
    Abstract: A method for preparing chiral ?-secondary amino alcohol includes: adding into a solvent an acid addition salt of ?-secondary amino ketone represented by general formula (1), an alkali, a metal salt additive and a diphosphine-rhodium complex, so as to carry out a reaction in a hydrogen atmosphere and obtain a chiral ?-secondary amino alcohol compound represented by general formula (2). In general formula (2), Ar represents an aryl group with or without substituent group(s), R represents an alkyl group or an aralkyl group, and HY represents an acid. The synthesis scheme has a simple process, the metal salt additive remarkably improves the effect of a rhodium-catalyzed asymmetric hydrogenation technology, and accordingly, the reaction yield and the optical purity of a product are improved, the production process is simplified, production costs are reduced, and the synthesis scheme is highly suitable for mass industrial production.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: August 6, 2019
    Assignees: SHANGHAI JIAOTONG UNIVERSITY, NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Wanbin Zhang, Zhenfeng Zhang, Qiupeng Hu
  • Patent number: 10218292
    Abstract: Provided is an active positioning encoder, comprising: a display device, said display device being used for displaying at least a first pattern; a reading device, said reading device comprising at least a first read head, the first read head being used for reading the first pattern in order to obtain an image signal; a signal processing device, said signal processing device performing signal processing on the image signal of the first read head in order to determine the single-dimensional positioning of the first read head relative to the display device.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: February 26, 2019
    Assignee: Shanghai Jiaotong University
    Inventors: Peisen S. Huang, Junbin Zhang, Zonghao Chen, Jian Gao
  • Patent number: 10197006
    Abstract: The invention provides a friction-welded structure assembly, comprising a first workpiece (10B), a second workpiece (10C) and a friction welding connecting part (10A). The lower side of the friction welding connecting part (10A) has a first friction welding junction interface (10H) which is in contact with a surface of the first workpiece (10B) and a second friction welding junction interface (11H) which is in contact with a surface of the second workpiece (10C).
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: February 5, 2019
    Assignees: Shanghai Jiaotong University
    Inventors: Yaofu Jiang, Wenjiang Ding, Liming Peng, Penghuai Fu, Yongkui Zhu
  • Publication number: 20190013862
    Abstract: Frequency synthesis-based optical frequency domain reflectometry method and system are disclosed. The method is to implement optical frequency reflectometry and comprises: performing an electro-optic modulation and an acousto-optic modulation on a local light to obtain an optical pulse; inputting the optical pulse as a detection pulse optical signal to a test optical fiber; and detecting an obtained Rayleigh backscattered optical signal under coherent detection with the local light, and then performing a photoelectric conversion and a demodulation, wherein: the electro-optic modulation is performed by using a single frequency signal; the acousto-optic modulation is performed by using a pulse signal; and the optical pulse is obtained by simultaneously sweeping multiple frequency components of an optical comb signal which is obtained by the electro-optic modulation.
    Type: Application
    Filed: January 5, 2016
    Publication date: January 10, 2019
    Applicants: SHANGHAI JIAOTONG UNIVERSITY, NEUBREX CO., LTD.
    Inventors: Zuyuan HE, Qingwen LIU, Xinyu FAN, Dian CHEN
  • Patent number: 9914698
    Abstract: A stearoyl amino acid salt having a structural formula of the general formula (I), wherein R1 is H or an aromatic base capable of being substituted by one or more substituents, or a C1-4 straight chain or an alkyl with a branched chain, the substituent being an alcoholic hydroxyl group or a phenolic hydroxyl group; and R2 is a C11-25 saturated or unsaturated aliphatic group. Also provided are methods of preparing the stearoyl amino acid salt, and methods of using the stearoyl amino acid salt. Compared to a prototype drug stearoyl amino acid, the stearoyl amino acid salt described herein has excellent physicochemical properties, good stability, high relative bioavailability, a strong drug effect and a high safety factor. It is thus expected to become a candidate for clinical treatment of neurodegenerative diseases and acute brain injury, and a clinical drug for weight loss, thus having broad application prospects.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: March 13, 2018
    Assignee: SHANGHAI JIAOTONG UNIVERSITY SCHOOL OF MEDICINE
    Inventors: Yang Lu, Jianhua Liu, Shuangqi Tang, Hongzhuan Chen
  • Patent number: 9883917
    Abstract: Disclosed is a skin dilator, comprising an expander (11), a pipe network provided on the skin-side surface wall (111) of the expander (11) composed of longitudinal tube (22) and horizontal tube (21) having a reticular structure and communicating with each other, and a guide tube (24) communicating with the pipe network. The skin dilator further comprises several burrs (25) distributed on the skin-side surface wall (111) of the expander (11), and several small apertures (23) communicating the inner cavity of the tube with the outside are provided on both of the longitudinal tube (22) and horizontal tube(21). The tissue expander can be infused biological agents by the filling port to the skin expanding site through the small apertures (23), which may accelerate the expansion growth of skin, prevent skin complications, such as necrosis.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: February 6, 2018
    Assignee: SHANGHAI NINTH PEOPLE'S HOSPITAL AFFILIATED, SHANGHAI JIAOTONG, UNIVERSITY SCHOOL OF MEDICINE
    Inventors: Yaokai Gan, Kerong Dai, Qingfeng Li
  • Publication number: 20170275240
    Abstract: A method for preparing chiral ?-secondary amino alcohol includes: adding into a solvent an acid addition salt of ?-secondary amino ketone represented by general formula (1), an alkali, a metal salt additive and a diphosphine-rhodium complex, so as to carry out a reaction in a hydrogen atmosphere and obtain a chiral ?-secondary amino alcohol compound represented by general formula (2). In general formula (2), Ar represents an aryl group with or without substituent group(s), R represents an alkyl group or an aralkyl group, and HY represents an acid. The synthesis scheme has a simple process, the metal salt additive remarkably improves the effect of a rhodium-catalyzed asymmetric hydrogenation technology, and accordingly, the reaction yield and the optical purity of a product are improved, the production process is simplified, production costs are reduced, and the synthesis scheme is highly suitable for mass industrial production.
    Type: Application
    Filed: September 23, 2015
    Publication date: September 28, 2017
    Applicants: SHANGHAI JIAOTONG UNIVERSITY, NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Wanbin Zhang, Zhenfeng Zhang, Qiupeng Hu
  • Patent number: 9773581
    Abstract: The present invention provides a cathode material for a Li—S battery. The cathod material comprises dehydrogenized acrylonitrile based polymer, sulfur and GNS (Graphene NanoSheet), wherein the cathode material particles are spherical, the content of dehydrogenized acrylonitrile based polymer is 20-79 wt %, the content of sulfur is 20-79 wt % and the content of GNS is 1-30 wt %. Also provided a method for preparing a cathode material, a cathode made of the cathod material and a Li—S battery comprising the cathode.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: September 26, 2017
    Assignees: Robert Bosch GmbH, Shanghai Jiaotong University
    Inventors: Jiulin Wang, Lichao Yin, Jun Yang, NaHong Zhao, Longjie Zhou
  • Patent number: 9650987
    Abstract: A cylinder head is prepared by integrating an upper cylinder head part and a lower cylinder head part, which are manufactured separately, into the whole, wherein the fuel injector receiving hole, the intake valve stem receiving hole and the exhaust valve stem receiving hole are respectively prepared by integrating their upper portions which are formed together with the upper cylinder head part and their lower portions which are formed together with the lower cylinder head part respectively; the intake duct and the exhaust duct are formed in the lower cylinder head part; the cylinder head water cavity is prepared by integrating an upper water cavity portion formed together with the upper cylinder head part and a lower water cavity portion formed together with the lower cylinder head part into the whole, alternatively, the cylinder head water cavity is formed, as a whole, with the lower cylinder head part.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: May 16, 2017
    Assignees: Shanghai Jiaotong University
    Inventor: Yaofu Jiang