Patents by Inventor Jianfeng Zheng

Jianfeng Zheng 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: 20250250258
    Abstract: The present invention relates to a crystal form A of a compound of formula (I), and a preparation method therefor and the use thereof. The crystal form A has good properties in terms of physical and chemical stability, water solubility, bioavailability and processing adaptability.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 7, 2025
    Applicant: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Jianfeng ZHENG, Zhenjuan SHI, Di SU, Yongxiang GONG, Jinqing ZHONG
  • Publication number: 20250231144
    Abstract: A device and a method for dynamic crack detection are provided. The device includes a probe configured to acquire permanent magnetic perturbation (PMP) data and motion-induced eddy current (MIEC) data of an inner surface of a pipe, and a controller, in communication with the probe, configured to: receive the PMP data and the MIEC data from the probe; determine the PMP data and the MIEC data as data of a crack in a case where the PMP data and the MIEC data conform to characteristics of a crack defect signal; and determine characteristic data of the crack based on the MIEC data. The PMP data and MIEC data of the inner surface of the pipe are acquired by a probe, which can detect crack defects in gas pipes under high-speed movement, thus improving the efficiency and stability of dynamic crack detection.
    Type: Application
    Filed: August 25, 2023
    Publication date: July 17, 2025
    Applicant: CHINA OIL & GAS PIPELINE NETWORK CORPORATION
    Inventors: Rui LI, Kuan FU, Pengchao CHEN, Yu DING, Jianfeng ZHENG, Fei PAN, Yang LIU, Wenbo XUAN, Zhengqiang LEI, Chao SUN
  • Publication number: 20250198859
    Abstract: A method for detecting an axial pipe stress based on the orthogonal alternating electromagnetism (OAE) includes: acquiring a material of the pipe to be detected and determining an excitation intensity corresponding to the pipe to be detected according to the material of the pipe to be detected; generating an alternating magnetic field on the surface of the pipe to be detected by a high-frequency alternating current output by an OAE stress probe in a system for detecting the axial pipe stress based on the OAE according to the excitation intensity; magnetizing the surface of the pipe to be detected according to the alternating magnetic field; and when the variation range of the magnetized alternating magnetic field is smaller than the set range, determining the axial pipe stress of the pipe to be detected by the system for detecting the axial pipe stress based on the OAE.
    Type: Application
    Filed: August 25, 2023
    Publication date: June 19, 2025
    Applicant: CHINA OIL & GAS PIPELINE NETWORK CORPORATION
    Inventors: Pengchao CHEN, Rui LI, Kuan FU, Hao LAN, Jianfeng ZHENG, Yanan WANG
  • Publication number: 20250091085
    Abstract: A coating die head and a coating apparatus including one are provided. The coating die head includes a first die head and a second die head. The first die head includes a first die head body and multiple first lip modules, and the first lip modules are spliced sequentially along a first direction. Each of the first lip modules is detachably connected to the first die head body, each of the first lip modules is provided with a first groove, the first grooves of the plurality of first lip modules are spliced to form a main chamber for storing a slurry, and the first direction is a length direction of the main chamber. In the coating die head, the first lip modules may be replaced or recombined to change the length of the main chamber so that the coating die head is suitable for producing electrode plates with different widths.
    Type: Application
    Filed: November 29, 2024
    Publication date: March 20, 2025
    Inventors: Xuyong LIU, Mingli LIU, Chonghao PAN, Hongwu SHANG, Jianfeng ZHENG
  • Publication number: 20240287045
    Abstract: The present invention relates to the field of chemical pharmacy, relates to a crystal form of a pyrimidine derivative and a preparation method therefor, and specifically relates to crystal forms A, B, C, D, and E of a compound of formula (I), a preparation method therefor, and a pharmaceutical composition and use thereof. The present invention solves the problems of small granularity, poor fluidity, poor stability and the like of the compound of formula (I) present in an amorphous form. The crystal form prepared by the present invention and the pharmaceutical composition thereof can be used for preparing a drug for treating a cancer disease.
    Type: Application
    Filed: June 21, 2022
    Publication date: August 29, 2024
    Applicant: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Meiyu ZHAO, Lianwei CHEN, Na LI, Zhenjuan SHI, Jianfeng ZHENG, Di SU
  • Publication number: 20240288518
    Abstract: In an embodiment, the present disclosure pertains to electric field generators that include a signal generator electrically connected to a power amplifier, a impedance matching circuit electrically connected to the power amplifier, and a power divider electrically connected to the impedance matching circuit and to at least one of a first wall, a second wall, a third wall, a fourth wall, or a base area. In an additional embodiment, the present disclosure pertains to method of determining radio frequency (RF)-induced heating on a medical device utilizing an electric field generator of the present disclosure. Additional embodiments of the present disclosure pertain to methods of making electric field generators for testing a medical device.
    Type: Application
    Filed: May 6, 2024
    Publication date: August 29, 2024
    Applicant: University of Houston System
    Inventors: Ji Chen, Jianfeng Zheng
  • Patent number: 12013449
    Abstract: In an embodiment, the present disclosure pertains to electric field generators that include a signal generator electrically connected to a power amplifier, a impedance matching circuit electrically connected to the power amplifier, and a power divider electrically connected to the impedance matching circuit and to at least one of a first wall, a second wall, a third wall, a fourth wall, or a base area. In an additional embodiment, the present disclosure pertains to method of determining radio frequency (RF)-induced heating on a medical device utilizing an electric field generator of the present disclosure. Additional embodiments of the present disclosure pertain to methods of making electric field generators for testing a medical device.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: June 18, 2024
    Assignee: University of Houston System
    Inventors: Ji Chen, Jianfeng Zheng
  • Patent number: 11919422
    Abstract: A vehicle braking energy recovering method includes obtaining current location information of a vehicle, determining a current road scenario based on the current location information of the vehicle, determining the current road scenario based on a mapping relationship between a road scenario and a weight, determining a safe distance and a safe speed of the vehicle based on the weight, determining a target torque based on the safe distance and the safe speed of the vehicle, and controlling, based on the target torque, a motor of the vehicle to recover braking energy.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: March 5, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zuqi Liu, Jianfeng Zheng, Jinbo Ma, Jiajun Huang, Wei Zhang
  • Publication number: 20230293783
    Abstract: Embodiments of the present disclosure pertain to implantable medical devices that are operational for mitigating radiofrequency (RF)-induced heating. The implantable medical devices generally include a ferrite material that is associated with at least one component of the implantable medical device and operational to reduce the RF-induced heating of the implantable medical device. Additional embodiments of the present disclosure pertain to methods of mitigating radiofrequency (RF)-induced heating of an implantable medical device by applying a ferrite material to at least one component of the implantable medical device. Thereafter, the ferrite material reduces the RF-induced heating of the medical device. In some embodiments, the methods of the present disclosure also include a step of implanting the implantable medical device into a subject, such as a human being.
    Type: Application
    Filed: March 7, 2023
    Publication date: September 21, 2023
    Applicant: UNIVERSITY OF HOUSTON SYSTEM
    Inventors: Ji Chen, Jianfeng Zheng
  • Publication number: 20220329841
    Abstract: Provided is a method for encoding audio and video data. The method includes: encapsulating cached elementary stream (ES) data of audio frames into an audio packetized elementary stream (PES) packet, and then splitting the audio PES packet into consecutive audio transport stream (TS) packets; and outputting one or more audio TS packet groups based on an order of the audio frames, and outputting one or more video TS packet groups based on an order of the video frames; wherein the one or more video TS packet group is present between the audio TS packet groups belonging to a same audio PES packet, and the one or more audio TS packet group is present between the video TS packet groups belonging to different video PES packets.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Inventor: Jianfeng ZHENG
  • Patent number: 11466830
    Abstract: An LED simulated flame device includes a semi-transparent diffusion cover in a candle flame shape, a light-emitting lamp plate, and a control circuit module. The light-emitting lamp plate includes a PCB substrate, and several LED chips shading between brightness and darkness at random, and the LED chips include an up-lighting LED chip that is located on a top edge of the PCB substrate, emits light upward, and is configured to project light and shadows onto a middle upper portion of the diffusion cover, two mid-lighting LED chips that emit light toward a front surface of the diffusion cover, are configured to project light and shadows onto a middle portion of the diffusion cover, and are located on front and back surfaces of the PCB substrate, and a down-lighting LED chip that corresponds to a bottom portion of the diffusion cover, emits light upward, and is configured to supplement light.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: October 11, 2022
    Inventor: Jianfeng Zheng
  • Publication number: 20220220107
    Abstract: Crystal forms A, B, C, D, E, F, G and H of a compound represented by formula I and a preparation method therefor, as well as medical uses for the various crystal forms and advantages thereof in various aspects.
    Type: Application
    Filed: May 21, 2020
    Publication date: July 14, 2022
    Applicant: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Jianfeng ZHENG, Liang ZHANG, Min ZHAO, Zhenjuan SHI, Xufei LI, Zhiqing YANG
  • Publication number: 20220169119
    Abstract: A vehicle braking energy recovering method includes obtaining current location information of a vehicle, determining a current road scenario based on the current location information of the vehicle, determining the current road scenario based on a mapping relationship between a road scenario and a weight, determining a safe distance and a safe speed of the vehicle based on the weight, determining a target torque based on the safe distance and the safe speed of the vehicle, and controlling, based on the target torque, a motor of the vehicle to recover braking energy.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Inventors: Zuqi Liu, Jianfeng Zheng, Jinbo Ma, Jiajun Huang, Wei Zhang
  • Patent number: 11260756
    Abstract: A vehicle braking energy recovering method includes obtaining current location information of a vehicle, determining a current road scenario based on the current location information of the vehicle, determining the current road scenario based on a mapping relationship between a road scenario and a weight, determining a safe distance and a safe speed of the vehicle based on the weight, determining a target torque based on the safe distance and the safe speed of the vehicle, and controlling, based on the target torque, a motor of the vehicle to recover braking energy.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: March 1, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zuqi Liu, Jianfeng Zheng, Jinbo Ma, Jiajun Huang, Wei Zhang
  • Patent number: 11210942
    Abstract: Embodiments of the disclosure provide systems and methods for optimizing a traffic control plan. The system may include at least one storage device configured to store instructions and at least one processor configured to execute the instructions to perform operations. The operations may include receiving traffic system log data and parsing the traffic system log data to obtain a first set of traffic performance parameters. The operations may also include receiving trajectory data relating to a plurality of vehicle movements and parsing the trajectory data to obtain a second set of traffic performance parameters. The operations may further include determining relationships between vehicle delays and degrees of saturation based on the first and second sets of traffic performance parameters. In addition, the operations may include optimizing the traffic control plan based on the relationships.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: December 28, 2021
    Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Jianfeng Zheng, Xianghong Liu, Fuliang Li
  • Patent number: 11117875
    Abstract: The present invention relates to novel crystal forms of ozanimod. Compared with the prior art, the crystal forms of the present invention have one or more improved properties. The present invention also relates to preparation methods of the crystal forms, pharmaceutical compositions thereof and uses thereof for the manufacture of medicament for treating and/or preventing diseases or adverse conditions associated with modulation, activation, stimulation, inhibition or antagonization of selective sphingosine-1-phosphate (S1P) receptor.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: September 14, 2021
    Assignee: Hangzhou Solipharma Co., Ltd.
    Inventors: Xiaohong Sheng, Xiaoxia Sheng, Jianfeng Zheng
  • Patent number: 10809709
    Abstract: An information storage system and apparatus relate to the field of automatic control technologies in order to resolve a problem that there is little information for diagnosing a fault that is stored using a freeze frame. The system includes at least one subcontroller configured to obtain a parameter value corresponding to a parameter, and send the parameter and the parameter value corresponding to the parameter to a management controller, the management controller configured to send the received parameter and the received parameter value corresponding to the parameter to a vehicle-intelligent device, and the vehicle-intelligent device is configured to receive and store the parameter and the parameter value corresponding to the parameter, where each subcontroller is coupled to at least one executor, and the management controller is coupled to each subcontroller of the at least one subcontroller.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: October 20, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mingming Zhang, Jianfeng Zheng, Chengwang Yang
  • Publication number: 20200320874
    Abstract: Embodiments of the disclosure provide systems and methods for optimizing a traffic control plan. The system may include at least one storage device configured to store instructions and at least one processor configured to execute the instructions to perform operations. The operations may include receiving traffic system log data and parsing the traffic system log data to obtain a first set of traffic performance parameters. The operations may also include receiving trajectory data relating to a plurality of vehicle movements and parsing the trajectory data to obtain a second set of traffic performance parameters. The operations may further include determining relationships between vehicle delays and degrees of saturation based on the first and second sets of traffic performance parameters. In addition, the operations may include optimizing the traffic control plan based on the relationships.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Jianfeng ZHENG, Xianghong LIU, Fuliang LI
  • Patent number: 10759798
    Abstract: Crystalline forms, preparation methods and pharmaceutical compositions of ABT-199 monohydrochloride and ABT-199 dihydrochloride are disclosed. Compared with known ABT-199, they have one or more improved properties. They can be used to prepare drugs for the treatment and/or prevention of one or more diseases associated with overexpression of an anti-apoptotic BCL-2 family protein.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: September 1, 2020
    Assignee: Hangzhou SoliPharma Co., Ltd.
    Inventors: Xiaohong Sheng, Xiaoxia Sheng, Jianfeng Zheng
  • Patent number: D1066528
    Type: Grant
    Filed: April 11, 2024
    Date of Patent: March 11, 2025
    Inventor: Jianfeng Zheng