Patents by Inventor Xi Wang

Xi Wang 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: 20250145283
    Abstract: A rotorcraft with distributed propulsion system having the capability to convert between two configurations suitable for thrust borne VTOL (vertical take-off and landing) flight and partial wing borne airplane flight. The rotorcraft includes a fuselage, an empennage, a vertical stabilizer, a rudder, a pair of wings, a pair of flaps, a pair of canards, a pair of pylons, a pair of tiltable rotor booms and a plurality of rotors. The tiltable rotor booms are associated to an actuator to change collectively the direction of the rotor thrust vector. The rotor can be open rotor or ducted rotor. The rotor booms oriented in the canted position is the first configuration suitable for partial wing borne flight and the rotor booms oriented in the horizontal position is the second configuration suitable for thrust borne flight.
    Type: Application
    Filed: July 30, 2023
    Publication date: May 8, 2025
    Inventor: Xi WANG
  • Publication number: 20250136860
    Abstract: The disclosure belongs to the technical field of well completion engineering in oil and gas engineering, and particularly relates to a high-flow-conductivity proppant and its preparation method. The high-flow-conductivity proppant includes dumbbell-shaped framework granules and an oil-soluble film coating layer coated on the surfaces of the framework granules; the oil-soluble film coating layer melts when meeting oil at the temperature of 30-120° C. The high-flow-conductivity proppant prepared by the method has low bulk density, and the problems that the traditional proppant cannot be transported to the far end of a crack, has poor flow conductivity and the like can be effectively solved.
    Type: Application
    Filed: January 4, 2025
    Publication date: May 1, 2025
    Inventors: Dezhi Zeng, Chengxiu Yu, Hanwen Zhang, Xi Wang, Jiancheng Luo, Chunyan Zheng, Ruikang Ke, Huan Xiao, Gang Tian
  • Publication number: 20250129263
    Abstract: The present invention relates to a curable composition, which comprises: (A) at least one unreactive blocked diisocyanate; (B) at least one unreactive blocked diamine; (C) at least one reactive component; and (D) at least one photo-initiator, wherein component (B) is formed by blocking diamine with a ligand; to a process of forming a 3D-printed object from the same and a 3D-printed object prepared therefrom.
    Type: Application
    Filed: August 3, 2022
    Publication date: April 24, 2025
    Inventors: Wei Zheng FAN, Zhi Zhong CAI, Li CHEN, Chong Xi WANG
  • Publication number: 20250123651
    Abstract: The present disclosure provides a method, a memory system and an electronic device for adjusting sampling frequency, and relates to the field of semiconductor chip technology. The method includes: obtaining an impact element for thermal sampling of a target device; adjusting the sampling frequency of the thermal throttling module corresponding to the target device in accordance with the impact element for thermal sampling. The present disclosure intends to improve the problem of being unable to effectively adjust the sampling frequency of the thermal throttling module corresponding to critical system components in the solid-state drive.
    Type: Application
    Filed: September 23, 2024
    Publication date: April 17, 2025
    Inventor: Xi WANG
  • Publication number: 20250117541
    Abstract: A method and apparatus for measuring and calculating a full life cycle carbon emission equivalent of a power battery, and medium. The method comprising: acquiring a first carbon emission equivalent of a raw material acquisition stage of a power battery; acquiring a second carbon emission equivalent of a production stage of the power battery; acquiring a third carbon emission equivalent of a usage stage of the power battery; acquiring a fourth carbon emission equivalent of a cascading utilization stage and a regeneration stage of the power battery; measuring and calculating the full life cycle carbon emission equivalent of the power battery on the basis of the first carbon emission equivalent, the second carbon emission equivalent, the third carbon emission equivalent, and the fourth carbon emission equivalent.
    Type: Application
    Filed: June 10, 2022
    Publication date: April 10, 2025
    Inventors: Feng DU, Xi WANG, Lei ZONG, Chengyin YUAN
  • Publication number: 20250110137
    Abstract: Provided in the present application are a composition for detecting occult blood in excreta, and a preparation method therefor and the use thereof. The composition comprises, in parts by weight, 20-80 parts of organic solvent, 0.01-50 parts of thickener, 0.01-2 parts of benzidine, 0.01-5 parts of peroxide, 0.001-0.5 parts of EDTA-2Na and 10-80 parts of water. The composition provided in the present application can quickly and effectively detect the occult blood condition of excreta, has fast color change, long color retention time and high sensitivity.
    Type: Application
    Filed: April 25, 2023
    Publication date: April 3, 2025
    Applicant: Shanghai Peige Hospital Management Co., Ltd.
    Inventors: Xi Wang, Weixue Guo, Pingjun Ren, Fei Xiao, Sai Wu, Min Li
  • Patent number: 12266091
    Abstract: Provided are a defect detection method and apparatus, and a computer-readable storage medium. Specifically, the method includes: obtaining a to-be-detected image; obtaining a feature map of the to-be-detected image based on the to-be-detected image, where the feature map of the to-be-detected image includes a feature map of spatial position coordinate information; and performing defect detection on the to-be-detected image based on the feature map of the to-be-detected image. By modifying a neural network structure of defect detection and extracting the feature map of spatial position coordinate information during the detection, this application makes the neural network for use of defect detection sensitive to a spatial position, thereby enhancing sensitivity of a detection neural network to the spatial position, and in turn, increasing accuracy of detecting some specific defect types by the detection neural network, and increasing accuracy of defect detection.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: April 1, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITE
    Inventors: Zhiyu Wang, Xi Wang, Guannan Jiang
  • Publication number: 20250103876
    Abstract: Fine-tuning a base large language model (LLM) is provided. A fine tuning of a base LLM having pre-trained model weights is performed using a plurality of LoRA components each defining a trainable low-rank matrix, such that the low-rank matrices are trained to perform the fine tuning while the pre-trained model weights remain fixed. An ensemble is constructed using the plurality of LoRA components. One or more regularization techniques are performed to the LoRA components to counter overconfidence in the ensemble of LoRA components. The ensemble of LoRA components, as regularized, are utilized as a fine-tuned model of the base LLM.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 27, 2025
    Inventors: Xi Wang, Maja Rudolph
  • Publication number: 20250095719
    Abstract: Provided are a resistance calibration circuit, a resistance calibration method, and a memory. When a short calibration enable signal is valid, calibration processing is performed on a resistance control code in one of a short calibration mode and a full calibration mode based on a comparison result of a last latched value and an initial default value of the resistance control code.
    Type: Application
    Filed: November 18, 2024
    Publication date: March 20, 2025
    Inventors: Xi WANG, Kai TIAN
  • Patent number: 12253336
    Abstract: A red dot sight includes a sight body. A lens frame is arranged on a front end of the sight body, and a lens is arranged in the lens frame; a lamp holder is arranged in the sight body, a Light Emitting Diode (LED) lamp is arranged on the lamp holder, an adjustment mechanism is arranged in the sight body, a windage adjustment screw and a gravity adjustment screw are arranged on an outer side of the sight body, and the windage adjustment screw and the gravity adjustment screw are connected to the lamp holder through the adjustment mechanism; and a battery jar is formed in a side surface of the sight body. Through the reasonable design of the structure, a clearance between components of a mechanical structure is eliminated, and the smoothness of adjustment and the structural accuracy are improved.
    Type: Grant
    Filed: January 31, 2024
    Date of Patent: March 18, 2025
    Assignee: Syswit Optoelectronics Technology Co., Ltd.
    Inventors: Wenjie Li, Xi Wang
  • Publication number: 20250085086
    Abstract: An automatic light-adjusting structure for a red dot sight includes a sight body, a lens frame disposed at the upper part of the sight body, a reflecting lens, a light sensor and a processing unit. The reflecting lens is configured for transmitting target light rays to a receiving end of the light sensor, and the light sensor is configured for detecting the brightness of the target light rays and transmitting brightness data to the processing unit; the processing unit is configured for analyzing the brightness data and adjusting the brightness of a light source in the sight body according to an analysis result. The brightness of the light source (LED) is adjusted according to the brightness of the target light rays, thus achieving the purpose of self-adaptive adjustment, and the optimal visual experience is provided.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 13, 2025
    Applicant: Syswit Optoelectronics Technology Co., Ltd.
    Inventors: Wenjie LI, Xi WANG
  • Publication number: 20250074253
    Abstract: A power supply device includes a first and a second battery cell. A ratio of first parameters of the first battery cell to the second battery cell is greater than a first threshold. A ratio of second parameters of the second battery cell to the first battery cell is greater than a second threshold. When a capacity of the first battery cell is greater than that of the second battery cell, the first battery cell and/or the second battery cell are/is discharged according to a rule including a first, a second, and a third condition. When the first condition is satisfied, the first battery cell is discharged to a load. When the second condition is satisfied, the first battery cell and the second battery cell are discharged to the load. When the third condition is satisfied, the first battery cell is discharged to the second battery cell and the load.
    Type: Application
    Filed: November 18, 2024
    Publication date: March 6, 2025
    Inventors: Ke ZHANG, Rongfang WU, Xi WANG, Zizhu GUO, Yi PAN
  • Patent number: 12244293
    Abstract: The disclosure provides a method for assembling and interconnecting FBAR filter and an electronic device. The method includes constructing an equivalent circuit model of an assembled FBAR filter according to a circuit model of a filter chip and the grounding circuit of the FBAR filter; modeling, simulating and calculating the grounding circuit to extract parasitic parameters corresponding to the grounding pad and a grounding bond-wire of the grounding circuit, respectively; feedbacking the parasitic parameters back into the equivalent circuit model, and using the circuit simulation software to obtain an S parameter of the filter; adjusting the parasitic parameters of the grounding circuit to optimize an S parameter performance of the FBAR filter: obtaining an optimal assembly configuration of the FBAR filter to guide the assembly. The parasitic parameters include a parasitic inductance of the grounding bond-wire and a parasitic capacitance and parasitic inductance of the grounding pad.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 4, 2025
    Assignee: NO. 26 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
    Inventors: Huaiqiang Yu, Lei Zhang, Like Deng, Xi Wang, Bin Cheng, Jinyi Ma, Chuangxin Jiang, Mingyan Jiang, Shiyi Jiang, Meirui Liu, Xiao Peng
  • Publication number: 20250065622
    Abstract: The present invention relates to devices and methods for coating surfaces including surfaces of medical devices, in particular the coating of microprojections on microprojection arrays. The present invention also relates to print head devices and their manufacture and to methods of using the print head devices for manufacturing articles such as microprojection arrays as well as to coating the surfaces of microprojection arrays. The present invention also relates to high throughput printing devices that utilize the print heads of the present invention.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Inventors: Xi WANG, Michael Carl JUNGER, Sasikaran KANDASAMY, Neil HARRIS, Christopher FLAIM
  • Publication number: 20250051399
    Abstract: Provided are a recombinant expression vector for whooping cough antigens, an engineered bacterium and use thereof. The recombinant expression vector for whooping cough antigens comprises a protein expression cassette for pertactin, a gene for resistance screening, and an upstream recombinant nucleic acid fragment and a downstream recombinant nucleic acid fragment of filamentous haemagglutinin gene, wherein the protein expression cassette for pertactin is located between the upstream recombinant nucleic acid fragment and the downstream recombinant nucleic acid fragment of the filamentous haemagglutinin gene, and the upstream recombinant nucleic acid fragment and the downstream recombinant nucleic acid fragment of the filamentous haemagglutinin gene can undergo homologous recombination with the upstream and downstream of the filamentous haemagglutinin gene, respectively.
    Type: Application
    Filed: November 10, 2022
    Publication date: February 13, 2025
    Applicant: GRAND THERAVAC LIFE SCIENCE (NANJING) CO., LTD.
    Inventors: Jun Ge, Jianqiang Li, Ling Li, Dayan Zhang, Xi Wang, Yinghui Shi, Sulin Ren, Tong Zhou
  • Patent number: 12218684
    Abstract: The present invention relates to a layered semi-parallel LDPC decoder system having a single permutation network, and belongs to the field of decoder hardware design. The system comprises a layered decoding architecture of the single permutation network, a layered semi-parallel decoding architecture of the single permutation network, a pipeline design for layered semi-parallel decoding and a hardware framework of a layered semi-parallel LDPC decoder. The present invention removes a permutation network module between a check node and a variable node by modifying the cyclic shift value of each information block transferred from the variable node to the check node, i.e., the cyclic shift operation of the decoder can be completed through the single permutation network so as to reduce hardware resources of the decoder. A semi-parallel decoding structure is adopted, and meanwhile, a pipeline is added between half layers.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: February 4, 2025
    Assignee: Chongqing University Of Posts And Telecommunications
    Inventors: Hongsheng Zhang, Taiyun Ding, Ting Liu, Hong Yang, Yi Huang, Weizhong Chen, Qi Wang, Xi Wang
  • Patent number: 12208910
    Abstract: A cooling system for an engine of an aircraft of a having hybrid-electric propulsion system including a nacelle body including a bottom cooling air intake disposed below a propeller hub for supplying air to an oil-air cooler, wherein the bottom cooling air intake includes a splitter dividing the bottom cooling air intake into a first channel and a second channel.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: January 28, 2025
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Frank Becker, Eric LaTulipe, Xi Wang
  • Publication number: 20250013654
    Abstract: To search for digital twins (avatars) on a computerized platform, a semantic embedding is made of the search query and this is compared with respective semantic embeddings generated for digital twins on the computerized platform, to determine a first set digital twins whose semantic embeddings are similar to that of the search query. A trained graph neural network generates respective graph embeddings of feature data of the first set of digital twins, and these graph embeddings are compared with graph embeddings that the trained graph neural network generates for other digital twins on the platform, to determine a second set of digital twins whose graph embeddings are similar to graph embeddings of the first set of digital twins. The search results returned in response to the search query may include at least one digital twin in the second set of digital twins.
    Type: Application
    Filed: November 14, 2022
    Publication date: January 9, 2025
    Inventors: Si Wu, Xi Wang, Chuantao Yin
  • Patent number: 12186684
    Abstract: A method for cleaning substrates includes rotating a substrate; delivering deionized water on a surface of the substrate for pre wetting the surface of the substrate; delivering chemical solution with high temperature on the surface of the substrate for cleaning the surface of the substrate; changing the rotation speed of the substrate to a low rotation speed, and moving a ultra/mega sonic device. The method further includes turning on the ultra/mega sonic device and supplying a constant or pulse working power in a first cleaning cycle; turning off the ultra/mega sonic device, and delivering a high temperature chemical solution or deionized water. The method further includes turning on the ultra/mega sonic device and supplying a constant or pulse working power in a second cleaning cycle; turning off the ultra/mega sonic device, and delivering rinse chemical solution or deionized water on the surface of the substrate; and drying the substrate.
    Type: Grant
    Filed: February 13, 2024
    Date of Patent: January 7, 2025
    Assignee: ACM RESEARCH (SHANGHAI), INC.
    Inventors: Fuping Chen, Hui Wang, Xi Wang, Shena Jia, Danying Wang, Chaowei Jiang, Yingwei Dai, Jian Wang
  • Patent number: D1058961
    Type: Grant
    Filed: June 21, 2024
    Date of Patent: January 21, 2025
    Inventor: Xi Wang