Patents by Inventor Jie Ma

Jie 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).

  • Patent number: 11750074
    Abstract: The present disclosure discloses a linear motor including a housing with an accommodation space, a vibrator, a stator, an elastic member and a flexible printed circuit board; the vibrator includes an iron core with an axis direction, a coil wounded around the iron core and a fixing member fixed on the iron core; the flexible printed circuit board is fixed on the fixing member. The fixing member serves as a bridge between the coil and the flexible printed circuit board, thus improving the fixation stability between the coil and the flexible printed circuit board and effectively avoiding disconnection of the coil.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: September 5, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Jie Ma, Lubin Mao, Kejia Liu, Zhiyong Cui
  • Patent number: 11750073
    Abstract: One of the objects of the present invention is to provide a vibration motor with reduced size and enables easier manufacturing process. To achieve the above-mentioned object, the present invention provides a vibration motor having a housing with an accommodation space; a vibrator accommodated in the accommodation space; a stator fixed to the housing for driving the vibrator to vibrate; and a spring suspending the vibrator in the accommodation space. The spring includes a first fixed part connecting to the housing, a second fixed part connecting to the vibrator, and an elastic arm connecting the first fixed part to the second fixed part.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: September 5, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventor: Jie Ma
  • Patent number: 11697133
    Abstract: The present disclosure provides a linear motor having a housing with an accommodation space; a vibrator accommodated in the accommodation space; and a first stator locating opposite to the vibrator and fixed to the housing. The first stator includes a first circuit board opposite to the vibrator, a first coil on a the side of the first circuit board close to the vibrator, and a first magnetic conductive sheet locating on a side of the first circuit board away from the vibrator. The linear motor further has a spring bracket supporting the vibrator in the accommodation space. The present invention is to provide a linear motor which improves the space utilization of the linear motor in a thickness direction.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: July 11, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Kejia Liu, Jie Ma, Lubin Mao, Zhiyong Cui
  • Patent number: 11692607
    Abstract: A magnetic suspension type sensing system for space full-degree-of-freedom absolute poses is provided. The system includes a reference platform, multiple quasi-zero stiffness supporting legs and a platform to be tested. The reference platform and the platform to be tested are connected in a spherical hinge mode through the multiple quasi-zero stiffness supporting legs. Each of the multiple quasi-zero stiffness supporting legs includes a lower end spherical hinge, a lower end cover, a positive stiffness unit, a negative stiffness unit, a shaft, a lower end shell, an upper end shell and an upper end spherical hinge.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: July 4, 2023
    Assignees: Chongqing University, SHANGHAI UNIVERSITY
    Inventors: Huayan Pu, Yan Jing, Jinglei Zhao, Jun Luo, Yi Qin, Zhijiang Xie, Jie Ma
  • Publication number: 20230197696
    Abstract: Layout techniques for chip packages on printed circuit boards are disclosed that address the multivariate problem of minimizing routing distances for high-speed I/O pins between chip packages while simultaneously providing for the rapid provision of transient power demands to the chip packages. The layout techniques may also enable improved thermal management for the chip packages.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 22, 2023
    Applicant: NVIDIA Corp.
    Inventors: Shuo Zhang, Eric Zhu, Minto Zheng, Michael Zhai, Town Zhang, Jie Ma
  • Patent number: 11658554
    Abstract: The present invention provides a vibration motor including: a housing having a receiving space; a vibrator received in the receiving space; coils configured to drive the vibrator to reciprocate; and two stop assemblies received in the receiving space and spaced apart from each other, the vibrator reciprocates between the two stop assemblies and includes first magnets spaced apart from each other and at least one second magnet arranged between the first magnets, every two adjacent first magnets of the first magnets have opposite magnetization directions, and a magnetization direction of the second magnets is perpendicular to a magnetization direction of the at least one first magnet. Compared with the related art, the vibration motor provided by the present invention has higher reliability.
    Type: Grant
    Filed: August 2, 2020
    Date of Patent: May 23, 2023
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Jie Ma, Zhiyong Cui
  • Patent number: 11641151
    Abstract: One of the objects of the present invention is to provide a linear vibration motor which improves damping performance and reduces assembly costs. Accordingly, the present invention provides a linear vibration motor having a housing body with an inner cavity; a weight accommodated in the housing body; a stator located in the housing body; and an elastic member suspending the weight in the housing body. The elastic member includes a first elastic member having a first fixed part fixedly connected to one side of the weight and a first elastic bracket extending from the first fixed part, and a second elastic member fixedly connected to an opposite side of the weight a first damping glue locating between the first elastic member and the weight, and locating at one end of the first elastic bracket close to the first fixed part.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: May 2, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Jie Ma, Kejia Liu, Lubin Mao, Zhiyong Cui
  • Patent number: 11641152
    Abstract: The invention provides a vibration motor having a housing assembly, an elastic connector, a pole plate, a plurality of magnets and a plurality of coils. The coils and the magnets are matched to drive the pole plate to move in at least two directions within the housing assembly. The coils are arranged on the outer side of the pole plate and fixed on the housing assembly so as to be suitable for a small-size vibration motor, then limitation of coil sizes is effectively avoided. Arrangement of the coils is facilitated, and process flows of the vibration motor during specific assembly can be optimized.
    Type: Grant
    Filed: August 16, 2020
    Date of Patent: May 2, 2023
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Zhiyong Cui, Jie Ma
  • Publication number: 20230118669
    Abstract: The coastal ecosystem carbon pool estimation method of the invention belongs to the field of environmental assessment, and includes the following steps: (a) determining the spatial boundary of the coastal ecosystem; (b) determining the dominant plant classification area of the coastal ecosystem; (c) calculating the carbon source of the freshwater plant dominant area; (d) size setting of carbon source sampling point in coastal ecosystem; (e) sampling method of carbon source sampling point in coastal ecosystem; (f) carbon source estimation method in coastal ecosystem.
    Type: Application
    Filed: May 13, 2022
    Publication date: April 20, 2023
    Applicant: NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MINISTRY OF ECOLOGY AND ENVIRONMENT OF THE P.R.C.
    Inventors: Fei HE, Weixin LI, Jie MA, Han QIU, Zhuang LIU, Yufeng XIE, Jian LI, Xuhan ZHANG, Jianhui LIU, Chao FU
  • Patent number: 11597897
    Abstract: Water-soluble film and unit dose articles made therefrom, where the water-soluble film includes a water-soluble polymer, where the water-soluble polymer includes a blend of a caseinate polymer and a polyvinyl alcohol homopolymer.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: March 7, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Florence Catherine Courchay, Jie Ma
  • Patent number: 11578966
    Abstract: The present disclosure relates to a test paper counting technology, in particular to a portable test paper counting device and method based on a single photon detector. A portable test paper counting device based on a single photon detector is provided, which includes a box-shaped housing, two guide rail pairs, two hanger rods, a laser, a reflecting mirror, a single photon detector, a power supply, and a PC computer. A rectangular operating hole penetrating from left to right is formed in a lower edge of a right side wall of the box-shaped housing. A right part of a bottom wall of the box-shaped housing is provided with an assembly hole penetrating from up to down. A left side wall of the box-shaped housing is provided with a threading hole penetrating from left to right. Sliders of the two guide rail pairs both face downwards.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: February 14, 2023
    Assignee: Shanxi University
    Inventors: Jizhou Wu, Jie Ma, Suya Song, Liantuan Xiao, Suotang Jia
  • Publication number: 20230045158
    Abstract: A magnetic suspension type sensing system for space full-degree-of-freedom absolute poses is provided. The system includes a reference platform, multiple quasi-zero stiffness supporting legs and a platform to be tested. The reference platform and the platform to be tested are connected in a spherical hinge mode through the multiple quasi-zero stiffness supporting legs. Each of the multiple quasi-zero stiffness supporting legs includes a lower end spherical hinge, a lower end cover, a positive stiffness unit, a negative stiffness unit, a shaft, a lower end shell, an upper end shell and an upper end spherical hinge.
    Type: Application
    Filed: November 26, 2021
    Publication date: February 9, 2023
    Inventors: Huayan Pu, Yan Jing, Jinglei Zhao, Jun Luo, Yi Qin, Zhijiang Xie, Jie Ma
  • Publication number: 20230043904
    Abstract: An inorganic nanomaterial for continuous formaldehyde removal includes the following components in part by mass: 20-30 parts of water, 0.1-0.3 parts of cellulose, 0.1-0.2 parts of a defoamer, 0.3-0.6 parts of a dispersant, 0.3-0.6 parts of a wetting agent, 20-25 parts of titanium dioxide, 5-10 parts of kaolin, 10-15 parts of heavy calcium, 30-40 parts of modified inorganic hybrid resin, 0.1-1 part of a film-forming additive, and 0.1-1 part of propylene glycol. After inorganic hybrid modification, an ammonia group is introduced, which can continuously and effectively decompose formaldehyde in the environment. A coating film not only has good anti-mildew, anti-algae, fire prevention, and heat insulation functions, but also has a continuous formaldehyde removal function. The formaldehyde removal efficiency is greater than 95%. The durability of formaldehyde purification effect is 90%.
    Type: Application
    Filed: January 12, 2022
    Publication date: February 9, 2023
    Applicant: Zhejiang Huade New Materials Co., Ltd.
    Inventors: Weidong WANG, Langsong SI, Jie MA
  • Patent number: 11573101
    Abstract: Disclosed is a quasi-zero stiffness absolute displacement sensor based on electromagnetic positive stiffness, and relates to the technical field of vibration measurement. The quasi-zero stiffness absolute displacement sensor comprises an eddy current displacement sensor unit, a negative stiffness unit, an intermediate connector, a positive stiffness unit, a bottom shell and a motion axis. The damping of the mechanism can be effectively reduced, the service life of the system is prolonged, and the mechanism size is reduced. By adjusting the number of layers of permanent magnets and coils in the electromagnetic positive stiffness unit and the electromagnetic negative stiffness unit and controlling the magnitude of current in the coils, electromagnetic force between the permanent magnets and the electromagnetic coils can be changed, the magnitude of positive stiffness and the magnitude of negative stiffness are adjusted, and control over the stiffness of the whole system is achieved.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 7, 2023
    Inventors: Huayan Pu, Yan Jing, Jinglei Zhao, Jun Luo, Yi Qin, Zhijiang Xie, Jie Ma
  • Patent number: 11569723
    Abstract: Provided is a vibration motor, including: a housing having a receiving space; a vibrator received in the receiving space; and a coil configured to drive the vibrator to reciprocate; and a guide rail received in the receiving space and fixed to the housing. The vibrator includes a rolling friction portion corresponding to the guide rail, and the rolling friction portion comprises a mass block spaced apart from and opposite to the guide rail, and a plurality of rolling members connected between the mass block and the guide rail in a slidable way. Compared with the related art, the vibration motor provided by the present invention can effectively reduce a friction force and improve a performance thereof.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: January 31, 2023
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Jie Ma
  • Publication number: 20230003441
    Abstract: The present invention provides a cooling device, comprising a first cooling portion, a second cooling portion, and a first receiving cavity sandwiched between the first cooling portion and the second cooling portion, where the first cooling portion is disposed around the second cooling portion, and the first cooling portion and the second cooling portion are distributed spaced-apart. According to the present invention, the liquid to be cooled in the first receiving cavity is simultaneously cooled by the first cooling portion and the second cooling portion without an additive being added, so that the cooling effect is substantially improved.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 5, 2023
    Inventors: JIE MA, DABIN WANG, YI HUANG, YONGXING CHU
  • Patent number: 11535876
    Abstract: The present disclosure relates to the field of genetic engineering, especially relates to a xylose-induced genetically engineered bacteria used for producing ectoine as well as a construction method and use thereof. The genetically engineered bacteria is constructed by heterologously expressing the ectABC gene cluster from Halomonas elongata on the E. coli chromosome, using the promoter of xylose transporter coding gene xylF to control the RNA polymerase from T7 bacteriophage, reconstructing a synthesis pathway of ectoine and constructing a plasmid-free system, and enhancing the expression of target genes by a strong promoter T7; the yield of ectoine reached 12-16 g/L after 20-28 h fermentation in shake flask, and reached 35-50 g/L after 24-40 h fermentation in a 5 L fermentor.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: December 27, 2022
    Assignee: Tianjin University of Science and Technology
    Inventors: Xixian Xie, Xuejiao Wu, Ning Chen, Fangqing Yan, Qian Ma, Jie Ma, Hongchao Zhang
  • Publication number: 20220404377
    Abstract: The present application is directed to the use of a VEGF-C inhibitor, a VEGFR-2 inhibitor and/or a VEGFR-3 inhibitor as a prophylactic or therapeutic for the treatment of eye disorders such as a maculopathy and pathogenic ocular neovascularisation. The application is also directed to the use of a VEGF-C measurement from a biological sample from a mammalian subject as a predictive marker, a selected marker, a responsive marker or a tracking marker for a disease or condition selected from the group consisting of a maculopathy and pathogenic ocular neovascularization.
    Type: Application
    Filed: November 19, 2021
    Publication date: December 22, 2022
    Inventors: Megan E. Baldwin, Kameran Lashkari, Jie Ma
  • Publication number: 20220404172
    Abstract: Disclosed is a quasi-zero stiffness absolute displacement sensor based on electromagnetic positive stiffness, and relates to the technical field of vibration measurement. The quasi-zero stiffness absolute displacement sensor comprises an eddy current displacement sensor unit, a negative stiffness unit, an intermediate connector, a positive stiffness unit, a bottom shell and a motion axis. The damping of the mechanism can be effectively reduced, the service life of the system is prolonged, and the mechanism size is reduced. By adjusting the number of layers of permanent magnets and coils in the electromagnetic positive stiffness unit and the electromagnetic negative stiffness unit and controlling the magnitude of current in the coils, electromagnetic force between the permanent magnets and the electromagnetic coils can be changed, the magnitude of positive stiffness and the magnitude of negative stiffness are adjusted, and control over the stiffness of the whole system is achieved.
    Type: Application
    Filed: April 29, 2022
    Publication date: December 22, 2022
    Inventors: Huayan PU, Yan JING, Jinglei ZHAO, Jun LUO, Yi QIN, Zhijiang XIE, Jie MA
  • Patent number: D985715
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: May 9, 2023
    Inventor: Jie Ma