Patents by Inventor Yingjun Li

Yingjun 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).

  • Publication number: 20250114861
    Abstract: A method includes obtaining a set of ranging values between a rangefinder and at least two posts in a battery product, where the set of ranging values is obtained by the rangefinder through ranging of the at least two posts along a first direction parallel to an optical axis of a laser galvanometer after the rangefinder is calibrated based on a first position in the first direction that is a position of a focal point of the laser galvanometer in the first direction, and the rangefinder being at a fixed distance from the laser galvanometer in the first direction; determining a first offset of a welding surface of the battery product relative to the focal point 10 based on the set of ranging values; and determining a first position adjustment amount for the laser galvanometer in the first direction based on the first offset and a first defocus amount.
    Type: Application
    Filed: September 13, 2024
    Publication date: April 10, 2025
    Inventors: Yingjun LI, Congcheng QI, Shixiong ZHENG, Jian LI, Qiangguo ZHAO, Xiupeng YE, Xu ZHANG
  • Patent number: 12263606
    Abstract: A welding deviation detection device includes a pre-welding addressing mechanism that can determine relative position relations between location holes and poles in a battery, and send the relative position relations to a welding mechanism and a post-welding detection mechanism; the welding mechanism can detect first positions of the location holes, and determine first positions of the plurality of poles based on the first positions of the location holes and the relative position relation, so that the welding mechanism can accurately weld a bus assembly to the plurality of poles based on the first positions of the plurality of poles to form a plurality of welds; and a post-welding detection mechanism that can detect second positions of the location holes and positions of the welds, and detect welding deviation situations of the bus assembly and the poles based on the second positions of the location holes.
    Type: Grant
    Filed: June 19, 2023
    Date of Patent: April 1, 2025
    Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
    Inventors: Congcheng Qi, Jian Li, Shuping Qu, Xu Zhang, Pengfei Li, Yingjun Li, Shixiong Zheng
  • Publication number: 20250066366
    Abstract: Provided herein are a crystal form of an isobutyrate nucleoside compound, and a preparation method. The crystal form is III; the X-ray powder diffraction pattern thereof has characteristic peaks at diffraction angles, 2?, 8.47±0.2°, 16.87±0.2°, 17.47±0.2°, 22.13±0.2° and 28.66±0.2°. The crystal form III has good physical and chemical stability. The preparation method for the crystal form is simple to operate and high in repeatability.
    Type: Application
    Filed: November 4, 2022
    Publication date: February 27, 2025
    Inventors: Xumu ZHANG, Yingjun LI, Qifan ZHOU, Guanguan LI
  • Publication number: 20250049832
    Abstract: The present invention provides a crystalline form of a nucleoside compound. The crystalline form is ATV014 crystalline form I, which has good solubility and thermal stability, and better bioavailability and dissolution profile in specific formulations. The good permeability and thermal stability of the crystalline form make it suitable for use in specific pharmaceutical formulations.
    Type: Application
    Filed: May 17, 2022
    Publication date: February 13, 2025
    Inventors: Shuo Li, Guanguan Li, Xinjun Liu, Yingjun Li, Qifan Zhou
  • Publication number: 20240366617
    Abstract: The present invention provides novel crystalline forms of a nucleoside compound and salts thereof, which belongs to the technical field of medicines. The nucleoside compound is compound ATV014. The present invention focuses on investigating whether compound ATV014 has multiple solid forms. Surprisingly, it is discovered that compound ATV014 exists in a variety of stable solid forms, comprising: ATV-014 free base crystalline form I, ATV-014 hydrochloride crystalline form I, ATV-014 hydrochloride crystalline form II, ATV-014 hydrochloride crystalline form III, ATV-014 hydrochloride crystalline form IV, ATV-014 hydrobromide crystalline form I, and ATV-014 p-toluenesulfonate crystalline form I.
    Type: Application
    Filed: June 19, 2024
    Publication date: November 7, 2024
    Inventors: Shuo LI, Guanguan LI, Xinjun LIU, Yingjun LI, Qifan ZHOU
  • Publication number: 20240360111
    Abstract: Itraconazole, a widely used antifungal drug, has been found to possess potent anti-angiogenic and anti-hedgehog activities, exhibiting promising antitumor activity in several human clinical studies. The wider use of itraconazole in the treatment of cancer, however, has been limited by its potent inhibition of the drug metabolic enzyme CYP3A4 which causes drug-drug interactions. In an effort to eliminate the CYP3A4 inhibition of itraconazole while retaining its anti-angiogenic activity, we synthesized a series of itraconazole derivatives. The newly synthesized analogs of itraconazole were evaluated for their cytotoxicity against human umbilical vein endothelial cells (HUVEC) and their inhibitory activity against CYP3A4 enzyme.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 31, 2024
    Inventors: Jun Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Publication number: 20240347881
    Abstract: An end cover assembly includes: an end cover provided with an electrode lead-out hole; an electrode terminal including a terminal plate located on a side of the end cover and covering the electrode lead-out hole, with an outer peripheral surface protruding from an inner wall of the electrode lead-out hole; a sealing member at least partially disposed between the electrode terminal and the end cover; a fixing member configured to be connected to the end cover and surround the terminal plate so as to fix the electrode terminal onto the end cover, and including a flange extending in a direction approaching an axis of the electrode lead-out hole and located on a side of the terminal plate farther away from the end cover; and a heat-resistant part, at least a portion thereof is located between the flange and the electrode terminal in an axial direction of the electrode lead-out hole.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 17, 2024
    Inventors: Shixiong ZHENG, Bin ZHAO, Dingshan YU, Congcheng QI, Hang DU, Pengfei LI, Yingjun LI
  • Publication number: 20240317754
    Abstract: Provided are methods for treating coronavirus infections by administering modified nucleosides, ester and amino acid ester prodrugs of nucleoside, their pharmaceutically acceptable salts, and drug combination thereof, of Formula (I). The compounds, combination, and methods provided are particularly useful for preventing, mitigating, or treating coronavirus infections or cytopathic effects resulting from the replication or reproduction of coronaviruses and their variants, including SARS-CoV-2.
    Type: Application
    Filed: September 15, 2021
    Publication date: September 26, 2024
    Applicants: SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY, SUN YAT-SEN UNIVERSITY
    Inventors: Xumu ZHANG, Deyin GUO, Guanguan LI, Liu CAO, Yingjun LI, Tiefeng XU, Yanxi JI, Qifan ZHOU, Yujian YANG, Tiaozhen ZHU
  • Patent number: 12071430
    Abstract: Itraconazole, a widely used antifungal drug, has been found to possess potent anti-angiogenic and anti-hedgehog activities, exhibiting promising antitumor activity in several human clinical studies. The wider use of itraconazole in the treatment of cancer, however, has been limited by its potent inhibition of the drug metabolic enzyme CYP3A4 which causes drug-drug interactions. In an effort to eliminate the CYP3A4 inhibition of itraconazole while retaining its anti-angiogenic activity, we synthesized a series of itraconazole derivatives. The newly synthesized analogs of itraconazole were evaluated for their cytotoxicity against human umbilical vein endothelial cells (HUVEC) and their inhibitory activity against CYP3A4 enzyme.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: August 27, 2024
    Assignee: The Johns Hopkins University
    Inventors: Jun Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Publication number: 20230330860
    Abstract: A welding deviation detection device includes a pre-welding addressing mechanism that can determine relative position relations between location holes and poles in a battery, and send the relative position relations to a welding mechanism and a post-welding detection mechanism; the welding mechanism can detect first positions of the location holes, and determine first positions of the plurality of poles based on the first positions of the location holes and the relative position relation, so that the welding mechanism can accurately weld a bus assembly to the plurality of poles based on the first positions of the plurality of poles to form a plurality of welds; and a post-welding detection mechanism that can detect second positions of the location holes and positions of the welds, and detect welding deviation situations of the bus assembly and the poles based on the second positions of the location holes.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 19, 2023
    Inventors: Congcheng Qi, Jian Li, Shuping Qu, Xu Zhang, Pengfei Li, Yingjun Li, Shixiong Zheng
  • Publication number: 20230278130
    Abstract: A welding apparatus includes a body portion, a welding part disposed on the body portion and configured to weld welding points on a to-be-welded object, and a distance measuring part disposed on the body portion and located on a side of the body portion that faces the welding part. The distance measuring part is configured to measure defocus amounts from the welding points on the to-be-welded object to the welding part. The welding part and the distance measuring part are aligned to different ones of the welding points at a same time, so that the welding part and the distance measuring part simultaneously perform welding and distance measurement on the different ones of the welding points.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 7, 2023
    Inventors: Congcheng QI, Yingjun LI, Pengfei LI, Zhihong ZHANG, Shixiong ZHENG
  • Publication number: 20220363672
    Abstract: Provided herein are Itraconazole analogs. Also provided herein are methods of inhibition of Hedgehog pathway, vascular endothelial growth factor receptor 2 (VEGFR2) glycosylation, angiogenesis and treatment of disease with Itraconazole analogs.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 17, 2022
    Inventors: Jun O. Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Patent number: 11469674
    Abstract: A power conversion system is provided. The power conversion system includes N power conversion circuits. Each power conversion circuit includes an input, an output, two switching power conversion units and at least one resonant capacitor. The input and output are configured to receive an input voltage and output an output voltage respectively. Each switching power conversion unit includes a plurality of switches and a winding. The plurality of switches operates periodically according to a switching period. A dotted terminal of one winding is electrically coupled to an undotted terminal of the other winding. The two windings are magnetically coupled to each other to form a transformer. In one switching period, the resonant capacitor stores an energy or outputs the stored energy as the corresponding switch is turned on or off. A resonance is generated between the resonant capacitor and inductor with a resonant frequency and a resonant period.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: October 11, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Da Jin, Yahong Xiong, Yingjun Li, Qinghua Su
  • Publication number: 20220106302
    Abstract: Itraconazole, a widely used antifungal drug, has been found to possess potent anti-angiogenic and anti-hedgehog activities, exhibiting promising antitumor activity in several human clinical studies. The wider use of itraconazole in the treatment of cancer, however, has been limited by its potent inhibition of the drug metabolic enzyme CYP3A4 which causes drug-drug interactions. In an effort to eliminate the CYP3A4 inhibition of itraconazole while retaining its anti-angiogenic activity, we synthesized a series of itraconazole derivatives. The newly synthesized analogs of itraconazole were evaluated for their cytotoxicity against human umbilical vein endothelial cells (HUVEC) and their inhibitory activity against CYP3A4 enzyme.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 7, 2022
    Inventors: Jun Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Patent number: 11028078
    Abstract: Provided herein are Itraconazole analogs. Also provided herein are methods of inhibition of Hedgehog pathway, vascular endothelial growth factor receptor 2 (VEGFR2) glycosylation, angiogenesis and treatment of disease with Itraconazole analogs.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: June 8, 2021
    Assignee: The Johns Hopkins University
    Inventors: Jun O. Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Publication number: 20210075323
    Abstract: A power conversion system is provided. The power conversion system includes N power conversion circuits. Each power conversion circuit includes an input, an output, two switching power conversion units and at least one resonant capacitor. The input and output are configured to receive an input voltage and output an output voltage respectively. Each switching power conversion unit includes a plurality of switches and a winding. The plurality of switches operates periodically according to a switching period. A dotted terminal of one winding is electrically coupled to an undotted terminal of the other winding. The two windings are magnetically coupled to each other to form a transformer. In one switching period, the resonant capacitor stores an energy or outputs the stored energy as the corresponding switch is turned on or off. A resonance is generated between the resonant capacitor and inductor with a resonant frequency and a resonant period.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 11, 2021
    Inventors: Da Jin, Yahong Xiong, Yingjun Li, Qinghua Su
  • Publication number: 20190040046
    Abstract: Provided herein are Itraconazole analogs. Also provided herein are methods of inhibition of Hedgehog pathway, vascular endothelial growth factor receptor 2 (VEGFR2) glycosylation, angiogenesis and treatment of disease with Itraconazole analogs.
    Type: Application
    Filed: October 4, 2018
    Publication date: February 7, 2019
    Inventors: Jun O. Liu, Yingjun Li, Kalyan Kumar Pasunooti, Wukun Liu, Wei Shi, Ruojing Li, Sarah Head
  • Patent number: 10049556
    Abstract: The present disclosure discloses a method for positioning an object in a positioning device and the positioning device thereof. The method comprises: transmitting a beam according to a preset mode; receiving a feedback signal sent from an object, wherein the feedback signal is a signal sent by an electronic tag on the object after receiving the beam, and the feedback signal correlates to an intensity of the beam when the electronic tag receives the beam; and determining a position of the object relative to the positioning device according to the feedback signal. Accordingly, the problem of cumbersome operation and poor reliability of manually recording storing locations of objects on a logbook by a user can be solved, and the effect of improving the convenience for positioning object can be achieved.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: August 14, 2018
    Assignee: XIAOMI INC.
    Inventors: Yingjun Li, Li Wang
  • Patent number: 9432063
    Abstract: A radio frequency signal transceiver includes: a transmission circuit configured to perform power amplification on an input first analog signal, wirelessly transmit the first analog signal after power amplification, and output the first analog signal after power amplification to a pre-distortion circuit; the pre-distortion circuit configured to convert the first analog signal after power amplification into a second analog signal and output the second analog signal, where the second analog signal is used to feedback distortion of the first analog signal to compensate the first analog signal in advance according to the distortion; and a receiving circuit configured to wirelessly receive a third analog signal, and process and output the third analog signal. The radio frequency signal transceiver can improve efficiency in receiving and transmitting a radio frequency signal, reduce a cost of a base station system, and reduce a difficulty in implementing the base station system.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 30, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jian Ou, Yungang Li, Haiqiang Sheng, Yingjun Li
  • Patent number: D1036866
    Type: Grant
    Filed: December 21, 2023
    Date of Patent: July 30, 2024
    Inventor: Yingjun Li