Patents by Inventor Jianming Li

Jianming Li 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: 12150442
    Abstract: A method for manufacturing a flyswatter having a conductive plastic electrode net, and a flyswatter structure obtained thereby are provided. The method may include the following steps: (i) using an insulating plastic to perform injection molding, so as to obtain a flyswatter body; and (ii) using a conductive plastic to perform second injection molding on the flyswatter body to manufacture an electric net component, such that the electric net component and the flyswatter body are integrated with each other. The flyswatter structure includes the flyswatter body and the electric net component. The flyswatter body includes a shaft, a handle, and a frame. The handle has an inner chamber for installing a power control circuit and a battery therein. The electric net component consists of a positive electrode portion and a negative electrode portion.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 26, 2024
    Inventor: Jianming Li
  • Patent number: 11858827
    Abstract: A preparation method of a nanotube hierarchically structured lithium titanate includes the steps of: S1. dispersing a titanium source into an aqueous solution containing lithium hydroxide and hydrogen peroxide and stirring to obtain a mixed solution; S2. subjecting the mixed solution obtained in step S1 to a reaction by heating to obtain a precursor having a nanowire-like structure; S3. subjecting the precursor having a nanowire-like structure obtained in step S2 to separation and drying; S4. subjecting the precursor having a nanowire-like structure after separation and drying to a low-temperature annealing treatment; S5. subjecting the precursor having a nanowire-like structure after the low-temperature annealing treatment to a liquid thermal reaction to obtain the nanotube hierarchically structured lithium titanate. The method includes a simple process and easily controllable process parameters, and may be easily scaled-up for industrial production.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: January 2, 2024
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Xu Jin, Jianming Li, He Liu, Hang Jiao, Xiaoqi Wang, Liang Sun, Xiaodan Liu
  • Patent number: 11855343
    Abstract: An antenna includes a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna configured to produce a first resonance frequency. An electrical length of the first radiator is greater than one eighth of a wavelength corresponding to the first resonance frequency, and the electrical length of the first radiator is less than a quarter of the wavelength corresponding to the first resonance frequency.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: December 26, 2023
    Assignee: Beijing Kunshi Intellectual Property Management Co., Ltd.
    Inventors: Dong Yu, Hanyang Wang, Jianming Li
  • Patent number: 11565944
    Abstract: A process for preparing a titanic acid salt, titanic acid, and titanium oxide having a controllable particle size and a hierarchical structure, wherein the process includes the steps of: preparing a titanium-containing peroxo-complex solution; adding a basic metal compound to the titanium-containing peroxo-complex solution to form a mixture solution; adding one of polyvinyl alcohol, hydroxypropyl methyl cellulose, and polyethylene glycol to the mixture solution to form a precursor dispersion; and subjecting the precursor dispersion to a solvothermal reaction to obtain the titanic acid salt having a hierarchical structure. The process for preparing a titanic acid salt, titanic acid, and titanium oxide having a controllable particle size and a hierarchical structure, can not only realize the regulation of morphology and particle diameter of constituent units in the hierarchical structure, but also can achieve the regulation of particle size in the hierarchical structure.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: January 31, 2023
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Jianming Li, Xu Jin, He Liu, Xiaodan Liu, Xiaoqi Wang, Liang Sun
  • Patent number: 11554966
    Abstract: The present invention provides a nanostructured titanic acid salt and a preparation process and use thereof. The process comprises preparing a dispersion containing titanium peroxy complex; slowly adding a metal compound to the dispersion containing the titanium peroxy complex to form a solution; adding an alcohol to the solution under normal temperature and normal pressure to produce the nanostructured titanic acid salt precursor precipitate in the solution, and separating the precipitate to obtain the titanic acid salt precursor; drying the precursor, and then heat treating it to obtain the nanostructured titanic acid salt product. The present invention provides a process for preparing a titanic acid salt with simple preparation process, easy control for process parameters and easy large-scale industrial production.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: January 17, 2023
    Assignee: PetroChina Company Limited
    Inventors: Xu Jin, Jianming Li, Xiaoqi Wang, Hang Jiao, Liang Sun, Xiaodan Liu
  • Publication number: 20220368010
    Abstract: An antenna includes a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna configured to produce a first resonance frequency. An electrical length of the first radiator is greater than one eighth of a wavelength corresponding to the first resonance frequency, and the electrical length of the first radiator is less than a quarter of the wavelength corresponding to the first resonance frequency.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventors: Dong Yu, Hanyang Wang, Jianming Li
  • Patent number: 11431088
    Abstract: An antenna includes a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna configured to produce a first resonance frequency. An electrical length of the first radiator is greater than one eighth of a wavelength corresponding to the first resonance frequency, and the electrical length of the first radiator is less than a quarter of the wavelength corresponding to the first resonance frequency.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: August 30, 2022
    Assignee: Huawei Device Co., Ltd.
    Inventors: Dong Yu, Hanyang Wang, Jianming Li
  • Publication number: 20220217964
    Abstract: A method for manufacturing a flyswatter having a conductive plastic electrode net, and a flyswatter structure obtained thereby are provided. The method may include the following steps: (i) using an insulating plastic to perform injection molding, so as to obtain a flyswatter body; and (ii) using a conductive plastic to perform second injection molding on the flyswatter body to manufacture an electric net component, such that the electric net component and the flyswatter body are integrated with each other. The flyswatter structure includes the flyswatter body and the electric net component. The flyswatter body includes a shaft, a handle, and a frame. The handle has an inner chamber for installing a power control circuit and a battery therein. The electric net component consists of a positive electrode portion and a negative electrode portion.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 14, 2022
    Inventor: Jianming LI
  • Patent number: 11387452
    Abstract: The present invention provides a linear porous lithium titanate material, preparation and product thereof. The material comprises a lithium titanate material having a crystal phase which is a spinel type, wherein the lithium titanate material has a linear structure having an aspect ratio of greater than 10, and the linear lithium titanate material has a porous structure; wherein the linear porous lithium titanate material has a structure composed of a plurality of particles having an oriented growth direction. The material has a long-axis structure which facilitates the effective migration of electrons, a porous structure which facilitates the rapid intercalation and deintercalation process of lithium ions, sodium ions or potassium ions, and a large specific surface area which facilitates the contact area between the electrolyte solution and the electrodes and reduces the current density, thus is excellent in a rapid charge-discharge performance of the battery.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 12, 2022
    Assignee: PetroChina Company Limited
    Inventors: Jianming Li, Xu Jin, He Liu, Xiaoqi Wang, Xiaodan Liu, Hang Jiao
  • Patent number: 11380999
    Abstract: A slot antenna comprises a printed circuit board, wherein the printed circuit board has a slot, a first capacitor, a radio frequency signal source, a transmission line, and a ground cable, wherein one end of the slot is open, and the other end is closed; the first capacitor and the ground cable are disposed on the printed circuit board, wherein the first capacitor is located on the open end of the slot; the transmission line connects the first capacitor to the radio frequency signal source; and the radio frequency signal source is configured to stimulate a feeding signal, and feed the feeding signal to the open end of the slot, wherein the radio frequency signal source connects the transmission line to the ground cable, and wherein a feed point from the radio frequency signal source to the transmission line is located outside the slot.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 5, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Hanyang Wang, Jianming Li, Xuefei Zhang, Chi Liu
  • Patent number: 11334225
    Abstract: An application icon moving method includes: receiving an application icon moving instruction triggered by a user in a first area of a display interface of a terminal; displaying an application icon selection menu on the display interface based on the application icon moving instruction, wherein the application icon selection menu includes icon symbols of all applications installed on the terminal; receiving a selection instruction for an icon symbol of a specified application in the application icon selection menu from the user; and moving the specified application icon to the first area based on the selection instruction.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: May 17, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Jianming Li, Xi Wang, Chenbing Gu, Kairui Chen
  • Patent number: 11322842
    Abstract: A composite right/left-handed transmission line antenna includes a first radiator, a second radiator, and a capacitive matching circuit, where the first radiator is connected to the second radiator, the connected first radiator and second radiator are of a ring shape, and the matching circuit is connected to a feed-in point of the first radiator or the second radiator.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: May 3, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei Wang, Meng Hou, Xuefei Zhang, Jianming Li, Hanyang Wang
  • Publication number: 20210050659
    Abstract: An antenna includes a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna configured to produce a first resonance frequency. An electrical length of the first radiator is greater than one eighth of a wavelength corresponding to the first resonance frequency, and the electrical length of the first radiator is less than a quarter of the wavelength corresponding to the first resonance frequency.
    Type: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Dong Yu, Hanyang Wang, Jianming Li
  • Publication number: 20210005972
    Abstract: A slot antenna comprises a printed circuit board, wherein the printed circuit board has a slot, a first capacitor, a radio frequency signal source, a transmission line, and a ground cable, wherein one end of the slot is open, and the other end is closed; the first capacitor and the ground cable are disposed on the printed circuit board, wherein the first capacitor is located on the open end of the slot; the transmission line connects the first capacitor to the radio frequency signal source; and the radio frequency signal source is configured to stimulate a feeding signal, and feed the feeding signal to the open end of the slot, wherein the radio frequency signal source connects the transmission line to the ground cable, and wherein a feed point from the radio frequency signal source to the transmission line is located outside the slot.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: Hanyang Wang, Jianming Li, Xuefei Zhang, Chi Liu
  • Patent number: 10879590
    Abstract: An antenna and a mobile terminal with the antenna including a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna, configured to generate a first resonance frequency. An electrical length of the first radiator is less than or equal to one eighth of a wavelength corresponding to the first resonance frequency.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 29, 2020
    Assignee: HUAWEI DEVICE CO., LTD.
    Inventors: Jianming Li, Hanyang Wang
  • Patent number: 10833396
    Abstract: An electronic device includes a metal frame, an antenna feeding point, an antenna ground, a feeding branch, a grounding branch, an antenna resonance arm, a variable capacitor, and a control circuit. The antenna resonance arm is a part of the metal frame after segmentation, the antenna feeding point is disposed on the feeding branch, a first connection portion and a second connection portion are disposed on the antenna resonance arm, the feeding branch is disposed between the second connection portion and the antenna ground, the grounding branch is disposed between the first connection portion and the antenna ground, the variable capacitor is disposed on the feeding branch, the variable capacitor is disposed between the antenna feeding point and the second connection portion, and the control circuit is configured to adjust a capacitance of the variable capacitor.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: November 10, 2020
    Assignee: HUAWEI DEVICE CO., LTD.
    Inventors: Jianming Li, Kun Feng, Xuefei Zhang, Hanyang Wang
  • Patent number: 10826170
    Abstract: An antenna includes a first radiator and a first capacitor structure. A first end of the first radiator is electrically connected to a signal feed end of a printed circuit board by means of the first capacitor structure, and a second end of the first radiator is electrically connected to a ground end of the printed circuit board. The first radiator, the first capacitor structure, the signal feed end, and the ground end form a first antenna configured to produce a first resonance frequency. An electrical length of the first radiator is greater than one eighth of a wavelength corresponding to the first resonance frequency, and the electrical length of the first radiator is less than a quarter of the wavelength corresponding to the first resonance frequency.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 3, 2020
    Assignee: Huawei Device Co., Ltd.
    Inventors: Dong Yu, Hanyang Wang, Jianming Li
  • Patent number: 10811780
    Abstract: A slot antenna includes: a printed circuit board having a slot, a first capacitor, a radio frequency signal source, a transmission line, and a ground cable. The printed circuit board is grounded; one end of the slot is open, and the other end is closed; the first capacitor and the ground cable are disposed on the printed circuit board, the first capacitor is located on the open end of the slot, and is disposed on one side of the slot; the first capacitor is connected to the radio frequency signal source by using the transmission line, and the radio frequency signal source connects the transmission line to the ground cable; and the radio frequency signal source is configured to: stimulate a feeding signal, and feed the feeding signal to the open end of the slot by using the first capacitor.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 20, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Hanyang Wang, Jianming Li, Xuefei Zhang, Chi Liu
  • Publication number: 20200183549
    Abstract: An application icon moving method includes: receiving an application icon moving instruction triggered by a user in a first area of a display interface of a terminal; displaying an application icon selection menu on the display interface based on the application icon moving instruction, wherein the application icon selection menu includes icon symbols of all applications installed on the terminal; receiving a selection instruction for an icon symbol of a specified application in the application icon selection menu from the user; and moving the specified application icon to the first area based on the selection instruction.
    Type: Application
    Filed: June 16, 2017
    Publication date: June 11, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Jianming LI, Xi WANG, Chenbing GU, Kairui CHEN
  • Patent number: 10601117
    Abstract: An antenna includes a first radiation part, a matching circuit, and a feed source, where the first radiation part includes a first radiator, a second radiator, and a capacitor structure. A first end of the first radiator is connected to the feed source using the matching circuit, the feed source is connected to a grounding part, a second end of the first radiator is connected to a first end of the second radiator using the capacitor structure, a second end of the second radiator is connected to the grounding part, the first radiation part is configured to generate a first resonance frequency, and a length of the second radiator is one-eighth of a wavelength corresponding to the first resonance frequency which helps to reduce an antenna length, and a volume of a mobile terminal.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: March 24, 2020
    Assignee: HUAWEI DEVICE CO., LTD.
    Inventors: Hanyang Wang, Jianming Li