Patents by Inventor Yanjun Liu

Yanjun 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: 20240237985
    Abstract: An anvil and delivery system assembly includes an anvil and a delivery system assembly. The delivery system includes a flexible guide member, an adapter, a tie down suture, and a retaining suture. The guide member is coupled to the center rod with the adapter. The tie down suture is secured to the adapter and to the anvil head to retain the anvil head in the tilted position during anvil delivery. The retaining suture is coupled to the anvil head via the tie down suture such that release of the tie down suture automatically releases the retaining suture from the anvil head.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 18, 2024
    Inventors: Yanli Wan, Yishuai Xu, Jinhang Liu, Yanjun Jiao, Xiliang Zhang
  • Publication number: 20240152719
    Abstract: An information management method, a device, a system and a medium. The information management method applied to a first terminal, including: sending an information acquisition request to a server, so that the server responds to the information acquisition request and sends visitor information to the first terminal; receiving the visitor information sent by the server; generating card information according to the visitor information; and sending the card information to an electronic card, so that the electronic card displays the card information.
    Type: Application
    Filed: June 18, 2021
    Publication date: May 9, 2024
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuo Li, Junpeng Han, Jinmiao Tang, Yanjun Liu, Qingqing Ma, Yinan Gao, Yin Yuan, Tianjiao Wang, Hui Sun, Yonggang Xie, Guangquan Wang, Liguang Deng, Zixi Qi
  • Publication number: 20240045272
    Abstract: An electromagnetic wave control apparatus includes an upper electrode layer, a lower electrode layer, a liquid crystal layer, and a first metamaterial layer disposed between the upper electrode layer and the lower electrode layer. The first metamaterial layer includes a first array including alignment unit structures. A first surface of the alignment unit structure is a surface that is of the alignment unit structure and that faces away from the liquid crystal layer. A length-to-width ratio of the first surface of the alignment unit structure is greater than 1. A length of the first surface, a width of the first surface, and a spacing between two adjacent alignment unit structures range from 1 nm to 5000 nm.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 8, 2024
    Inventors: Yanjun Liu, Rui Guo, Tenghao Li, Mengjia Cen, Jiawei Wang
  • Publication number: 20230374083
    Abstract: Provided are a pharmaceutical combination and use thereof. The pharmaceutical combination is used for preparing a medicament for treating hyperglobulinemia, and comprises an immunoglobulin degradation enzyme and an Fc-containing protein. The pharmaceutical combination uses the immunoglobulin degradation enzyme and the Fc agents in combination in hyperglobulinemia, reduces the influence of globulin on treatment, enables the Fc agents to have better effects, and also reduces the clinical dose of some Fc agents. On one hand, side effects of a therapeutic agent can be reduced, and on the other hand, the economic burden of medication can also be reduced.
    Type: Application
    Filed: September 22, 2021
    Publication date: November 23, 2023
    Inventors: Yanjun LIU, Zheng WANG
  • Patent number: 11822550
    Abstract: Methods, apparatus, and processor-readable storage media for query processing based on a stochastic prediction model are provided herein. An example computer-implemented method includes maintaining information associated with a set of database operators corresponding to one or more historical query plans, wherein each of the historical query plans is associated with processing of a corresponding historical query in a database; building, based on the maintained information, a data structure comprising probabilities of each database operator in the set transitioning to each of one or more of the other database operators in the set; obtaining a new query to be processed in the database; applying a stochastic prediction algorithm to identify, from among the historical query plans, at least one candidate query plan for the new query based on the data structure; and executing the at least one candidate query plan to access data from the database for the new query.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: November 21, 2023
    Assignee: Dell Products L.P.
    Inventors: Tao Zhang, Yanjun Liu, Zhiqiang Hu
  • Publication number: 20230364207
    Abstract: Provided is a mutant of an immunoglobulin degrading enzyme IdeE. The immunoglobulin degrading enzyme IdeE includes an amino acid sequence as shown in SEQ ID NO: 2 in the sequence listing. The mutant is obtained by means of replacing at least one or more of the positions 8, 10, 24, 59, 97, and 280 of the amino acid sequence. The function of the mutant includes at least the function of the immunoglobulin degrading enzyme IdeE. The activity and thermal stability of the provided mutant of the immunoglobulin degrading enzyme are higher than those of a wild-type IdeE.
    Type: Application
    Filed: June 18, 2021
    Publication date: November 16, 2023
    Inventors: Yanjun Liu, Zheng Wang
  • Publication number: 20230334047
    Abstract: Methods, apparatus, and processor-readable storage media for query processing based on a stochastic prediction model are provided herein. An example computer-implemented method includes maintaining information associated with a set of database operators corresponding to one or more historical query plans, wherein each of the historical query plans is associated with processing of a corresponding historical query in a database; building, based on the maintained information, a data structure comprising probabilities of each database operator in the set transitioning to each of one or more of the other database operators in the set; obtaining a new query to be processed in the database; applying a stochastic prediction algorithm to identify, from among the historical query plans, at least one candidate query plan for the new query based on the data structure; and executing the at least one candidate query plan to access data from the database for the new query.
    Type: Application
    Filed: May 3, 2022
    Publication date: October 19, 2023
    Inventors: Tao Zhang, Yanjun Liu, Zhiqiang Hu
  • Patent number: 11781710
    Abstract: Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: October 10, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanjun Liu, Qingqing Ma, Yinan Gao, Tianjiao Wang, Junpeng Han, Yin Yuan, Jinmiao Tang, Hui Sun, Bangcan Xue, Jia Meng, Tao Jia, Wenfeng Jin, Ming Zhai, Shuo Li, Liguang Deng
  • Patent number: 11771336
    Abstract: The present disclosure belongs to a field of biomedical imaging technology, and in particularly to a non-uniform excitation field-based method and system for performing a magnetic nanoparticle imaging. The present disclosure includes: separating the non-uniform excitation field into independent space and current time functions by a spatialtemporal separation method; calculating a normalized signal peak through the current time function; constructing a reconstruction mathematical model based on the normalized signal peak and an imaging subunit volume; and quantitatively reconstructing a spatial distribution of a nanoparticle by combining the normalized signal peak, a non-uniform spatial function of the excitation field and the reconstruction mathematical model, so as to achieve the magnetic nanoparticle imaging of a to-be-reconstructed object.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: October 3, 2023
    Assignee: Institute Of Automation, Chinese Academy of Sciences
    Inventors: Jie Tian, Yanjun Liu, Hui Hui, Lin Yin, Xin Feng
  • Publication number: 20230277633
    Abstract: Disclosed in the present invention is a pharmaceutical composition, comprising: 1) a reagent for reducing bonding between an Fc receptor and an endogenous serum antibody, wherein the reagent comprises an immunoglobulin degrading enzyme or endo-glycosidase; and 2) a viral vector drug, wherein the viral vector drug is selected from an oncolytic virus and a viral vaccine. The pharmaceutical composition allows individual administration of the viral vector drug and the reagent. Further disclosed in the present invention are an application of the pharmaceutical composition in the preparation of a drug for treating or preventing disasters, and a method for applying the pharmaceutical composition to a subject to treat or prevent cancers or infections.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 7, 2023
    Inventors: Yanjun Liu, Zheng Wang, Yunxia Xu
  • Publication number: 20230191482
    Abstract: The present invention provides a high-strength and high-plasticity titanium matrix composite and a preparation method thereof. The preparation method includes: preparing high-oxygen hydride-dehydride titanium powder using a high-temperature rotary ball grinding treatment process, in which the prepared hydride-dehydride titanium powder has a particle size of 10-40 ?m, and has an oxygen content of 0.8-1.5 wt. %; preparing high-purity ultra-fine oxygen adsorbent powder using a wet grinding method of high-energy vibration ball grinding treatment process; in which a purity of the oxygen adsorbent powder is ?99.9%, and a particle size of the oxygen adsorbent powder is ?8 ?m; mixing the high-oxygen hydride-dehydride titanium powder with the oxygen adsorbent powder in a protective atmosphere, and then press-forming the powder obtained after mixing to obtain a raw material blank; and performing atmosphere protective sintering treatment on the raw material blank to obtain a titanium matrix composite.
    Type: Application
    Filed: August 17, 2020
    Publication date: June 22, 2023
    Applicant: University of Science and Technology Beijing
    Inventors: Xin LU, Yu PAN, Yucheng YANG, Jiazhen ZHANG, Wei XU, Bowen LIU, Ce ZHANG, Jianzhuo SUN, Yanjun LIU, Xuanhui QU
  • Patent number: 11677670
    Abstract: A method for determining a sending period of a packet in a deterministic network and an apparatus are disclosed. The method includes: receiving a first packet; determining a first period, where the first period is a sending period of the first packet; determining timestamp information of the first packet based on the first period, where the timestamp information is used to indicate a time difference between a first time and a second time, the first time is a time at which the first packet starts to be sent in the first period, and the second time is a start time of the first period; encapsulating the timestamp information into the first packet to obtain a second packet; and sending the second packet.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: June 13, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yang Liu, Yanjun Liu, Zongxin Dou
  • Publication number: 20230139503
    Abstract: A carpet recognition method for a robot cleaner. The robot cleaner comprises a sleeve and an ultrasonic sensor, wherein the ultrasonic sensor is fixed in the sleeve.
    Type: Application
    Filed: October 19, 2020
    Publication date: May 4, 2023
    Inventors: Yanjun LIU, Zhenyu LIANG, Chi ZHANG, Qiong DU, Yinqi LIU, Lizhi XIANG
  • Publication number: 20230139659
    Abstract: A cleaning robot, comprising: a robot body, a control unit provided in the robot body, and a fixing unit provided at the bottom of a front end of the robot body, the fixing unit comprising a sleeve and an ultrasonic sensor, the ultrasonic sensor being fixed in the sleeve and being electrically connected to the control unit, and the ultrasonic sensor being used for emitting an ultrasonic wave downwards and receiving an echo reflected by different ground forms.
    Type: Application
    Filed: October 19, 2020
    Publication date: May 4, 2023
    Inventors: Zhenyu LIANG, Yanjun LIU, Lizhi XIANG, Zhijun LI
  • Publication number: 20230128597
    Abstract: A method includes: acquiring a plurality of historical routes of movement of a plurality of historical users in a geographic area, wherein each historical route includes at least a portion of a plurality of locations; determining, based on the plurality of historical routes and a plurality of current positions of a plurality of users in the geographic area, a set of predicted locations among the plurality of locations that the plurality of users will visit in the future, respectively, wherein the plurality of users use a tour guiding service associated with the plurality of locations that is provided by a mobile network; selecting a set of popular locations from the set of predicted locations based on the number of users among the plurality of users who will visit each predicted location in the set of predicted locations; and scheduling tour guiding resources associated with the set of popular locations.
    Type: Application
    Filed: November 18, 2021
    Publication date: April 27, 2023
    Inventors: Yanjun Liu, Chi Chen, Tao Zhang, Zhiqiang Hu
  • Publication number: 20230094291
    Abstract: The present disclosure belongs to a field of biomedical imaging technology, and in particularly to a non-uniform excitation field-based method and system for performing a magnetic nanoparticle imaging. The present disclosure includes: separating the non-uniform excitation field into independent space and current time functions by a spatialtemporal separation method; calculating a normalized signal peak through the current time function; constructing a reconstruction mathematical model based on the normalized signal peak and an imaging subunit volume; and quantitatively reconstructing a spatial distribution of a nanoparticle by combining the normalized signal peak, a non-uniform spatial function of the excitation field and the reconstruction mathematical model, so as to achieve the magnetic nanoparticle imaging of a to-be-reconstructed object.
    Type: Application
    Filed: July 7, 2022
    Publication date: March 30, 2023
    Inventors: Jie Tian, Yanjun Liu, Hui Hui, Lin Yin, Xin Feng
  • Publication number: 20230092674
    Abstract: The present disclosure discloses application of a microbiota-derived plasmalogens to treatment of colon cancer, and belongs to the technical field of biomedicine and microorganisms. The microbiota-derived plasmalogens provided in the present disclosure is extracted from an anaerobic microorganism including any one or more of Lactobacillaceae, Bifidobacterium, Clostridium butyricum, and Peptostreptococcus Kluyver and van Niel after fermentation. The microbiota-derived plasmalogens can reduce expressions of colon cancer-associated cytokines at the molecular level, inhibit the proliferation of colon cancer cells, and reduce the number and size of colon adenomas in patients with colon cancer. The microbiota-derived plasmalogens can be used as an effective nutrition strategy for preventing and treating the colon cancer, and a theoretical support is provided for efficient utilization of the enteric microbiota-derived plasmalogens.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 23, 2023
    Inventors: Yuanfa LIU, Yanjun LIU, Yongjiang XU
  • Patent number: 11610383
    Abstract: Provided is a display module, including: a shell; a display panel, wherein the display panel is disposed in the shell and is connected to the shell; a first light emitting component, wherein the first light emitting component is connected to the display panel and is configured to emit light of a target wavelength; and a fingerprint recognition sensor, wherein the fingerprint recognition sensor is disposed between the shell and the display panel and is fixedly connected to the shell; an orthographic projection of the fingerprint recognition sensor onto the display panel and an orthographic projection of the first light emitting component onto the display panel do not overlap; and the fingerprint recognition sensor is configured to recognize a fingerprint based on received light of the target wavelength reflected by an obstacle.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: March 21, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tao Jia, Hao Wu, Wenfeng Jin, Libao Cui, Site Cai, Litao Fan, Jiaqiang Wang, Gang Ci, Meijuan An, Jia Meng, Dang Yang, Xiao Ma, Xuewen Cao, Zhiqiang Fan, Zheng Zhang, Bangcan Xue, Dong Zhang, Yanjun Liu, Liguang Deng, Feiwu Yuan
  • Patent number: 11578074
    Abstract: A nitrogenous heterocyclic compound, a preparation method, an intermediate, a composition, and an application. The present invention provides a nitrogenous heterocyclic compound as represented by formula I, pharmaceutically acceptable salts thereof, enantiomers thereof, diastereoisomers thereof, tautomers thereof, solvates thereof, metabolites thereof, or prodrugs thereof. The compound has high inhibitory activity against ErbB2 tyrosine kinase, has good inhibitory activity against human breast cancer cells BT-474, human gastric cancer cells NCI-N87 and the like with high expression of ErbB2, and in addition has relatively weak inhibitory activity against EGFR kinase, that is, the compound is an EGFR/ErbB2 double target inhibitor that attenuates EGFR kinase inhibitory activity or a small-molecule inhibitor having selectivity for an ErbB2 target.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: February 14, 2023
    Assignee: Shanghai Pharmaceuticals Holding Cd., Ltd.
    Inventors: Guangxin Xia, Di Li, Jing Zhang, Lingjun Duan, Hongjian Zuo, Wenbo Xiao, Jia Xu, Yanjun Liu
  • Patent number: 11571352
    Abstract: The present disclosure relates to an assisted exoskeleton rehabilitation device, comprising: a back structure comprising a back crossbeam, a back supporting panel with an adjustable length, and a shoulder pneumatic muscle element mounted on the back supporting panel; an arm structure; a shoulder joint assembly, by which the arm structure is connected to an upper end of the back structure; and a waist structure. An upper end of the back supporting panel is fixedly connected to the back crossbeam, and a lower end thereof is fixedly connected to the waist structure. The shoulder joint assembly comprises a curved shoulder joint connecting panel, a shoulder traction wheel, a shoulder traction line, a first hinge mechanism and a second hinge mechanism.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 7, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bangcan Xue, Yanjun Liu