Patents by Inventor Jianwen Liu

Jianwen Liu 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).

  • Publication number: 20230393583
    Abstract: Provided are an obstacle detection method and apparatus, a self-walking robot, and a storage medium. The obstacle detection method includes: upon reception of a triggered feedback instruction, providing an interactive interface to allow a user to submit feedback information, the feedback information including a related picture and type information of an obstacle contained in the picture; and after learning that submission by the user is completed, sending the feedback information to a server or notifying a bond self-walking robot to send the feedback information to the server.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 7, 2023
    Inventors: Lei ZHANG, Jianwen LIU, Erqi WU
  • Publication number: 20230347167
    Abstract: A lightweight smart hair-growing instrument with external power supply, which includes an headgear mechanism, light sources, a control mechanism, and a power source; the headgear mechanism is provided with a cavity for containing a user's head; the light sources are disposed in the cavity and faced to a centre of the cavity; the control mechanism are located at an outside of the headgear mechanism and electrically connected with the light sources; the power source is disposed in the control mechanism; the control mechanism and the light sources are connected electrically by a transmission line or driving connected by a wireless protocol signal; the power supply is integrated on the control mechanism independent with the headgear mechanism, which greatly reduces the whole heavy of the hair-growing instrument.
    Type: Application
    Filed: June 7, 2022
    Publication date: November 2, 2023
    Inventor: Jianwen Liu
  • Publication number: 20230338743
    Abstract: A stable smart laser hair-growing instrument with independent light sources includes a shell, a laser emitting assembly and a control system; the shell is provided with a cavity disposed above a user's head, the laser emitting assembly includes light sources, a first circuit board and multiple second circuit boards, the first circuit board is disposed in the shell at a position aligned at a center of a user head; a gap is arranged between the adjacent second circuit boards; the light sources are evenly distributed on the first circuit board and those of the second circuit boards; the control system includes a circuit control and a multi-group of independent control units electrically connected with the circuit control; all the independent control units are electrically connected to the corresponding driving circuit of the second circuit boards and that of the first circuit board, respectively.
    Type: Application
    Filed: May 25, 2022
    Publication date: October 26, 2023
    Inventor: Jianwen Liu
  • Publication number: 20230307632
    Abstract: The present application provides a positive electrode piece, a battery and an electric device. A first aspect of the present disclosure provides a positive electrode piece, the positive electrode piece includes a positive electrode current collector and a positive electrode active layer provided on at least one surface of the positive electrode current collector, and the positive electrode active layer includes a positive electrode active material; in a plane composed of a length direction and a thickness direction of the positive electrode piece, particles of the positive electrode active material have a longest distance a in the length direction of the positive electrode piece, and have a longest distance b in the thickness direction of the positive electrode piece, and in a region not less than 25 ?m*25 ?m, the number of the particles of the positive electrode active material meeting a/b?3 is N, where N?2.
    Type: Application
    Filed: January 12, 2023
    Publication date: September 28, 2023
    Inventors: Jiajiang ZENG, Dingguo Xia, Suli Li, Jianwen Liu
  • Publication number: 20230307631
    Abstract: The present disclosure provides a positive electrode material, a battery and an electric device. A first aspect of the present disclosure provides a positive electrode material, the positive electrode material is Lin-xNaxCo1-yMeyO2, 0.7?n?1, 0<x?0.15, 0?y?0.15, and Me is selected from one or more of Al, Mg, Ti, Zr, Ni, Mn, Y, La, Sr, W, Sc, Ce, P, Nb, V, Ta, and Te; a X-ray diffraction pattern of the positive electrode material includes a peak 002 corresponding to a crystal plane 002, a peak 004 corresponding to a crystal plane 004, a peak 101 corresponding to a crystal plane 101, a peak 102 corresponding to a crystal plane 102, and a peak 103 corresponding to a crystal plane 103; a peak intensity ratio of the peak 101 to the peak 004 is m, wherein m?1.5.
    Type: Application
    Filed: January 5, 2023
    Publication date: September 28, 2023
    Inventors: Jiajiang ZENG, Dingguo XIA, Suli LI, Jianwen LIU
  • Publication number: 20210373365
    Abstract: The disclosure relates to a light-curing 3D printer. The light-curing 3D printer includes a plurality of light-emitting sources which are uniformly arranged and simultaneously emit scattered lights; a grid plate which is located above the light-emitting sources, and has a vertical optical channel corresponding to a position right above one of the light-emitting sources which are located in the center of the optical channel which is surrounded by vertical and opaque side walls limiting the reflection of light; a lens which is located above a light-guiding member, and has a condensing lens unit formed corresponding to a position right above one of the optical channels; a liquid crystal display (LCD) transmitting screen which is located above the lens and has pixel lattices.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Inventors: Jianwen LIU, Pengji LIU, Cathy Yizhi LIU
  • Patent number: 10693180
    Abstract: A solid-state polymer lithium battery pack and a preparation method therefor are provided. The lithium battery pack includes: single batteries (1), connecting sleeve members (2), electric cables (3), a battery box (4) and a pouring sealant, and has functions of power supply, power storage and multiple charging/discharging. The preparation method includes: connecting a plurality of single batteries in series by means of connecting sleeve members (2) to form combined batteries; connecting a plurality of combined batteries in series to form a lithium battery pack; and finally, assembling the lithium battery pack into a battery box (4), filling a pouring sealant inside the battery box by means of a sealant pouring process for fixing the single batteries (1) and internal electric cables (3), and discharging air in the battery box (4), so that a final solid-state polymer lithium battery pack is obtained.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: June 23, 2020
    Assignee: NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY
    Inventors: Dongxu Li, Dezhan Li, Jianwen Liu, Changping Yin, Peng Zhao, Fubiao Yang
  • Publication number: 20180254514
    Abstract: A solid-state polymer lithium battery pack and a preparation method therefor are provided. The lithium battery pack includes: single batteries (1), connecting sleeve members (2), electric cables (3), a battery box (4) and a pouring sealant, and has functions of power supply, power storage and multiple charging/discharging. The preparation method includes: connecting a plurality of single batteries in series by means of connecting sleeve members (2) to form combined batteries; connecting a plurality of combined batteries in series to form a lithium battery pack; and finally, assembling the lithium battery pack into a battery box (4), filling a pouring sealant inside the battery box by means of a sealant pouring process for fixing the single batteries (1) and internal electric cables (3), and discharging air in the battery box (4), so that a final solid-state polymer lithium battery pack is obtained.
    Type: Application
    Filed: July 12, 2016
    Publication date: September 6, 2018
    Inventors: Dongxu Li, Dezhan Li, Jianwen Liu, Changping Yin, Peng Zhao, Fubiao Yang
  • Publication number: 20150225741
    Abstract: Provided herein are compositions and methods for gene and etiology-nonspecific and circuit-specific treatment of diseases, utilizing vectors for delivery of light-sensitive proteins to diseased and normal cells and tissues of interest.
    Type: Application
    Filed: June 6, 2014
    Publication date: August 13, 2015
    Inventors: Alan Horsager, William Hauswirth, Jianwen Liu, Benjamin C. Matteo, Edward S. Boyden
  • Patent number: D853124
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 9, 2019
    Inventor: Jianwen Liu
  • Patent number: D858875
    Type: Grant
    Filed: November 26, 2017
    Date of Patent: September 3, 2019
    Inventor: Jianwen Liu
  • Patent number: D884965
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: May 19, 2020
    Inventor: Jianwen Liu
  • Patent number: D887017
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: June 9, 2020
    Inventor: Jianwen Liu
  • Patent number: D887571
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: June 16, 2020
    Inventor: Jianwen Liu
  • Patent number: D897548
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: September 29, 2020
    Assignee: DONGGUAN LESCOLTON INTELLIGENT ELECTRICAL APPLIANCE CO., LTD
    Inventor: Jianwen Liu
  • Patent number: D920529
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: May 25, 2021
    Inventor: Jianwen Liu
  • Patent number: D965159
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: September 27, 2022
    Inventor: Jianwen Liu
  • Patent number: D1004775
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: November 14, 2023
    Assignee: Shenzhen Lescolton Electrical Appliance Co., Ltd.
    Inventor: Jianwen Liu
  • Patent number: D1009364
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: December 26, 2023
    Assignee: Shenzhen Lescolton Electrical Appliance Co., Ltd.
    Inventor: Jianwen Liu
  • Patent number: D1014846
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: February 13, 2024
    Assignee: SHENZHEN LESCOTTON ELECTRICAL APPLIANCE CO., LTD.
    Inventor: Jianwen Liu