Patents by Inventor Change Liu

Change 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: 20240166723
    Abstract: A method of generating thickened collagen bundles or clusters, comprising the steps of: preparing a neutralized collagen gel sample; warming the neutralized collagen gel sample to provide a warmed neutralized collagen gel sample; and agitating the warmed neutralized collagen gel sample to provide an agitated collagen gel sample.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 23, 2024
    Inventors: Michael Mak, Chang Liu, Ryan Nguyen
  • Patent number: 11990325
    Abstract: A method for the repeated analysis of a sample bearing location. The sample bearing location may include, for instance, a sampled point in a tissue slice that is spatially and temporally correlated to the original slice. The slice may be in whole, or in part, a complete item or a portion of a complete item such as, for example, a human organ. The method improves the analysis process, such as mass spectrometry analysis, by providing a much more complete characterization of the target. The method also allows for the splitting of the sample and chemical/physical alteration of the aliquots for enhanced chemical analysis.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: May 21, 2024
    Assignee: DH Technologies Development Pte. Ltd.
    Inventors: Thomas R. Covey, Chang Liu, Gary J. Van Berkel
  • Patent number: 11988430
    Abstract: An air conditioning unit includes: a first refrigeration system including a first evaporator, a first compressor, a first condenser, a first one-way valve, and a first throttling element connected in sequence in a loop as well as a second one-way valve connected in parallel with the first compressor, and a first fluorine pump connected in parallel with the first one-way valve; and a second refrigeration system including a second evaporator, a second compressor, a second condenser, a third one-way valve, and a second throttling element connected in sequence in a loop as well as a fourth one-way valve connected in parallel with the second compressor, and a second fluorine pump connected in parallel with the third one-way valve, where the first evaporator and the second evaporator are arranged front and rear in sequence along a return air cooling duct.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: May 21, 2024
    Assignee: Vertiv Tech Co., Ltd.
    Inventors: Jie Guo, Sheng He, Chang Liu, Xiuling Li
  • Publication number: 20240159716
    Abstract: A method of performing liquid chromatography (LC) with an LC system including an LC column and an analyzer includes delivering a transport liquid to an open port interface (OPI) of a sample receiving circuit, wherein the sample receiving circuit includes a sample transfer chamber. A sample is ejected from a sample holder into the OPI with a non-contact ejector. The transport liquid and the sample are received in the sample transfer chamber. The sample transfer chamber is decoupled from the sample receiving circuit. A solvent is delivered to the analysis circuit. The sample is pushed from the sample transfer chamber with the solvent. The sample and the solvent is passed through the LC column to produce an eluent. The eluent is analyzed with the analyzer.
    Type: Application
    Filed: March 18, 2022
    Publication date: May 16, 2024
    Applicant: DH Technologies Development Pte. Ltd.
    Inventors: David Michael COX, Chang LIU
  • Patent number: 11980844
    Abstract: The present invention relates to a method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation. In the present invention, multiple means such as multistage circulating absorption, intelligent multi-factor regulation, pre-washing and cooling, inter-stage cooling, post-stage washing, slurry cleaning, cooling water waste heat utilization, small-particle-size and high-density spraying, external strengthening field such as a thermal field/ultrasonic field/electric field, and catalysis by composite catalyst are adopted, so that the target for low cost, low energy consumption, stability and high efficiency is realized. The secondary pollutants are effectively inhibited while carbon dioxide is efficiently captured; meanwhile, high-efficiency capture, low-energy desorption, and high-purity concentration of carbon dioxide are implemented.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: May 14, 2024
    Assignee: ZHEJIANG UNIVERSITY
    Inventors: Xiang Gao, Chenghang Zheng, Chang Liu, Can Zhou, You Zhang, Zhongyang Zhao, Yongxin Zhang, Yang Zhang, Qinwu Li, Weiguo Weng, Weihong Wu, Qingyi Li, Xiao Zhang, Tao Wang
  • Patent number: 11977602
    Abstract: A method for training a model for face recognition is provided. The method forward trains a training batch of samples to form a face recognition model w(t), and calculates sample weights for the batch. The method obtains a training batch gradient with respect to model weights thereof and updates, using the gradient, the model w(t) to a face recognition model what(t). The method forwards a validation batch of samples to the face recognition model what(t). The method obtains a validation batch gradient, and updates, using the validation batch gradient and what(t), a sample-level importance weight of samples in the training batch to obtain an updated sample-level importance weight. The method obtains a training batch upgraded gradient based on the updated sample-level importance weight of the training batch samples, and updates, using the upgraded gradient, the model w(t) to a trained model w(t+1) corresponding to a next iteration.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: May 7, 2024
    Assignee: NEC Corporation
    Inventors: Xiang Yu, Yi-Hsuan Tsai, Masoud Faraki, Ramin Moslemi, Manmohan Chandraker, Chang Liu
  • Patent number: 11973149
    Abstract: A semiconductor device includes: a first conductive plate and a second conductive plate disposed adjacent to the first conductive plate; a first insulating plate disposed over the first conductive plate and the second conductive plate; a third conductive plate disposed over the first insulating plate; a second insulating plate disposed over the third conductive plate; a fourth conductive plate disposed over the second insulating plate; a first conductive via penetrating the fourth conductive plate, the second insulating plate, the first insulating plate, and the first conductive plate, wherein the first conductive via is electrically coupled to the fourth conductive plate and the first conductive plate; and a second conductive via penetrating the second insulating plate, the third conductive plate, the first insulating plate, and the second conductive plate, wherein the second conductive via is electrically coupled to the third conductive plate and the second conductive plate.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: April 30, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yu-Hsing Chang, Chern-Yow Hsu, Shih-Chang Liu
  • Publication number: 20240130340
    Abstract: Provided are genetically modified non-human animals that express a human or chimeric (e.g., humanized) CD3E (T-cell surface glycoprotein CD3 epsilon chain), CD3D (T-cell surface glycoprotein CD3 delta chain), and/or CD3G (T-cell surface coprotein CD3 gamma chain), and methods of use thereof.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 25, 2024
    Inventors: Chengzhang Shang, Chong Li, Chang Liu
  • Publication number: 20240136168
    Abstract: Methods and systems for delivering a liquid sample to an ion source for the generation of ions and subsequent analysis by mass spectrometry are provided herein. In accordance with various aspects of the present teachings, MS-based systems and methods are provided in which an open port of a sampling probe for receiving a specimen may be exposed to washing solvent to wash the sampling probe while fluid within the sampling probe remains continuously flowing.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 25, 2024
    Applicant: DH Technologies Development Pte. Ltd.
    Inventors: Thomas R. COVEY, Tim HAEBE, Chang LIU
  • Patent number: 11964149
    Abstract: A facial beautifying and care apparatus includes a beauty bar (1) having an air supply passage (A), a negative pressure connecting hole (132), a conductive suction nozzle (15) and a first connection port (134); an EMS generation module (20) inside the beauty bar (1) electrically connected to the first connection port (134); an external negative pressure unit (6) separated from the beauty bar (1) and having a negative pressure driving control module (62) and a second connection port (637); the negative pressure driving control module (62) having an air supply tube assembly (66) with a negative pressure communicating hole (661); a communicating tube (7) communicating with the negative pressure connecting hole (132) and the negative pressure communicating hole (661); a conductive wire (8) connected to the first connecting port (134) and the second connecting port (637). Accordingly, the effects of facial skin firming, cleaning, beautifying and caring are achieved.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: April 23, 2024
    Assignees: BIBOTING INTERNATIONAL CO., LTD.
    Inventors: Po-Chang Liu, Pei-En Lee
  • Patent number: 11964677
    Abstract: The present invention relates to a platform door control apparatus based on a double 2-vote-2 architecture, including a security communication and logic processing module, a driver collection module, and a maintenance module, the security communication and logic processing module is separately connected to the driver collection module and the maintenance module, and both the security communication and logic processing module and the driver collection module are devices using the double 2-vote-2 architecture. Compared with the prior art, the present invention has the following advantages of effectively improving linkage efficiency of a signal system and a platform door system, and the like.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 23, 2024
    Assignee: CASCO SIGNAL CO., LTD.
    Inventors: Ruiyuan Ye, Xiaolin Tang, Liang Chen, Zhijun Ji, Chang Liu, Chun Yang, Xiaonan Liu, Jing Xu
  • Patent number: 11965855
    Abstract: The present utility model relates to a device for improving gas detection in a photoionization detector. A gas detector is provided. The device reduces interference of photoelectric noise on the reading of the gas detector for target gases such as volatile organic compounds.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: April 23, 2024
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Chang Liu, Guangli Xie, Zhiguo Wang, Bo Chen, Yang Zhang
  • Patent number: 11963970
    Abstract: The present disclosure discloses a preparation method of ginseng composition with high ginsenoside bioavailability. The composition is composed of ginseng powder of 250 meshes or more and ?-cyclodextrin, and the mass ratio of the ginseng powder to the ?-cyclodextrin is 1:0.05. Results show that when ?-cyclodextrin is used as a solid dispersant and added to the 1000-mesh ginseng powder at a mass ratio of 5%, the total dissolution amount is maximum; and furthermore, animal experiments (SD rats) show that the area under the plasma drug concentration-time curve (AUC0-48 h) after 48 h of ginseng powder ingestion is maximum, indicating that in-vivo bioavailability of the ginseng powder is the highest. The method of this application can effectively inhibit the aggregation of the ultra-finely pulverized 1000-mesh ginseng powder by adding the ?-cyclodextrin, thus significantly improving the total dissolution amount of ginsenoside.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: April 23, 2024
    Assignees: JIANGNAN UNIVERSITY, STANDARD FOODS (CHINA) CO., LTD, LE BONTA WELLNESS CO., LTD
    Inventors: Peng Zhou, Changshu Liu, Tao Yang, Chang Liu, Yaowei Liu, Zikuan Zhao, Jianguo Liu, Kexin Li
  • Publication number: 20240125737
    Abstract: An internal detection system of stress concentration of an oil and gas pipeline based on unsaturated orthogonally magnetization is provided. The system comprises a detection device and a processing device; the detection device comprises a detection probe; the detection probe comprises a magnetizing device and a magnetic signal acquisition device; the magnetizing device is fixedly connected with the magnetic signal acquisition device; the magnetizing device is configured to magnetize a pipeline to be detected, so that the pipeline generates a magnetized magnetic field; the magnetic signal acquisition device is configured to acquire a magnetic signal of the magnetized magnetic field to obtain an acquired signal and send the acquired signal to the processing device; the processing device is configured to receive the acquired signal and obtain a stress concentration area of the pipeline based on the acquired signal.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 18, 2024
    Applicant: China Special Equipment Inspection & Research Institute
    Inventors: Jinzhong CHEN, Jiaxing XIN, Runkun LU, Chang LIU, Zhengda SU, Qingbao ZHANG, Guannan SHI, Yanbao GUO
  • Publication number: 20240120557
    Abstract: The present disclosure provides a battery pack including a housing, wherein the housing has a bottom portion and side walls extending upward around a periphery of the bottom portion; an upper portion opening is formed at top ends of the side walls extending upward; an upper cover is mounted on the upper portion opening of the housing; and the battery pack comprises: multiple flat battery cells; and a first end plate and a second end plate, wherein when the multiple battery cells are sequentially arranged and mounted into the housing from the upper portion opening, the first end plate and the second end plate are located at two end sides of the sequentially arranged multiple battery cells to laterally fix the sequentially arranged multiple battery cells. The two end plates may absorb deformation of the battery cell while expanding.
    Type: Application
    Filed: August 21, 2023
    Publication date: April 11, 2024
    Inventors: Yingyao Fu, Binbin Fan, Chang Liu, Martin Wiegmann, Joerg Birkholz, Marco Jansen, Xugang Zhang, Jennifer L. Czarnecki
  • Publication number: 20240120363
    Abstract: A self-aligned plug may be formed between deep trench isolation (DTI) etching cycles. Accordingly, etch depth in areas of a pixel sensor with large CDs (e.g., at an X-road) is reduced, which prevents trench loading. As a result, a floating diffusion (FD) region, associated with photodiodes of the pixel sensor, is not damaged during the DTI etching cycles. Reduced chances of damage to the FD region improves performance of the pixel sensor and prevents electrical shorts and failures, which increases yield and conserves time and raw materials used in forming the pixel sensor.
    Type: Application
    Filed: January 5, 2023
    Publication date: April 11, 2024
    Inventors: Ming-Chyi LIU, Jiech-Fun LU, Shih-Chang LIU, Ru-Liang LEE
  • Patent number: 11951647
    Abstract: Provided is a node diaphragm scraping and sorting device for a bamboo split, which is configured to scrape node diaphragms of the bamboo splits and to sequentially sort the bamboo inner layers and bamboo outer layers of the bamboo splits towards the same direction. The device includes a scraping device, a sorting device and a clamping and conveying device which are arranged from front to back along an axis. The scraping device includes a conical cylinder, two pressing semi-rings, and a scraping ring. The sorting device includes an e-shaped sleeve composed of an inner cylinder and an outer cylinder, and two shifting forks located at both ends of the sleeve. The clamping and conveying device includes an inner ring moving on the axis, two clamping semi-rings and a conveying power device. The structure, function and technical parameters of each branch device are also introduced in detail.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: April 9, 2024
    Assignees: Nanjing Forestry University, JM Industries Group, Fujian Shuangyi Bamboo and Wood Development Co Ltd
    Inventors: Jiabin Cai, Shuai Cao, Minghan Li, Nan Zhou, Chang Liu, Pengyu Wang
  • Publication number: 20240112901
    Abstract: A method of adjusting a position of an electrode within a nebulizer probe of a mass spectrometry device having an open port interface for receiving a sample includes performing a first analysis of the sample at a first analysis condition including a first position of the electrode and a first flow rate. After performing the first analysis, a second analysis of the sample is performed at a second analysis condition including the first position of the electrode and a second flow rate higher than the first flow rate. Thereafter, a third analysis of the sample is performed at a third analysis condition including a second position of the electrode and the second flow rate.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 4, 2024
    Applicant: DH Technologies Development Pte. Ltd.
    Inventors: Chang LIU, Thomas COVEY, Peter KOVARIK
  • Publication number: 20240111837
    Abstract: An Image Activated Cell Sorting (IACS) classification workflow includes: employing a neural network-based feature encoder (or extractor) to extract features of cell images; automatically clustering cells based on extracted cell features; identifying a cluster to pick which cluster(s) to sort based on the cell images; fine-tuning a classification network based on the cluster(s) selected; and once refined, the classification network is used to sort cells for real-time live sorting.
    Type: Application
    Filed: February 24, 2023
    Publication date: April 4, 2024
    Inventors: Ming-Chang Liu, Su-Hui Chiang, Haipeng Tang, Michael Zordan, Ko-Kai Albert Huang
  • Publication number: 20240111661
    Abstract: An embodiment of this application provides a method and apparatus for testing control software, and a computer-readable storage medium to reduce the time consumed in the simulation-based debugging and enhance efficiency. The method may include obtaining test information of a plurality of fault signals; and injecting, based on the test information of the plurality of fault signals, the plurality of fault signals into a simulation environment in sequence to obtain test results of the plurality of fault signals handled by the control software, where the simulation environment may be a simulation environment of a control object of the control software.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 4, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Bin LAN, Xuming WANG, Deqiang SHI, Chunguang YE, Runqi WU, Jianfeng GUO, Chang LIU, Dongfei ZHANG, Jianping BAI, Lang YANG, Xuan HE