Patents by Inventor Chen Zhao

Chen Zhao 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).

  • Method for accurate positioning and in-situ treatment of pollutants at sediment-water interface
    Patent number: 11753317
    Abstract: The present application relates to the technical field of water environment governance, and particularly discloses a method for accurate positioning and in-situ treatment of pollutants at a sediment-water interface. In the method, high-throughput sequencing technology and pollutant source apportionment technology are firstly used to perform accurate positioning on the sediment to be controlled, and then electrodialysis-vacuum negative pressure dewatering technology is used to perform in-situ dewatering treatment on the sediment to be controlled, thereby realizing accurate governance with the minimum desilting amount. In the present application, in further cooperation with the application of microbial reagents, the microbial flora environment of the sediment-water interface is regulated, thereby increasing the dewatering speed of the sediment.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: September 12, 2023
    Assignee: CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES
    Inventors: Chen Zhao, Xiaoguang Li, Guowen Li, Lieyu Zhang, Caole Li, Wei Li, Jiaqian Li
  • SYSTEMS AND METHODS FOR GROUPING AND COLLAPSING SEQUENCING READS
    Publication number: 20230282309
    Abstract: Disclosed herein are systems and methods for collapsing sequencing reads and identifying similar sequencing reads. In one example, a method includes generating a plurality of first identifier subsequences from a first identifier sequence of each nucleotide sequencing read and generating a first signature for the nucleotide sequencing read by applying hashing to the plurality of first identifier subsequences. The method may include assigning the nucleotide sequencing read to a first particular bin of a first data structure based on the first signature and determining a nucleotide sequence for each first particular bin of the first data structure with one or more nucleotide sequencing reads assigned.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Chen Zhao, Kevin Eric Wu, Sven Bilke
  • DIGITAL ISOLATOR
    Publication number: 20230283173
    Abstract: A digital isolator can include: a first die having one of an encoding circuit and a decoding circuit; a second die having one of the encoding circuit and the decoding circuit that is not in the first die, where the first die and the second die are separated from each other; and an isolated transmission structure configured to transmit an encoded signal generated by the encoding circuit to the decoding circuit.
    Type: Application
    Filed: February 16, 2023
    Publication date: September 7, 2023
    Inventors: Xiaodong Huang, Yufei Dong, Chen Zhao
  • Package structure applied to power converter
    Patent number: 11742268
    Abstract: A package structure applied to power converters can include: a first die having a first power transistor and a first control and drive circuit; a second die having a second power transistor; a connection device configured to couple the first and second power transistors in series between a high-level pin and a low-level pin of a lead frame of the package structure; and where a common node of the first and second power transistors can be coupled to an output pin of the lead frame through a metal connection structure with a low interconnection resistance.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 29, 2023
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventors: Chiqing Fang, Jiaming Ye, Chen Zhao
  • Alternating current to direct current conversion circuit
    Patent number: 11728725
    Abstract: An alternating current to direct current conversion circuit includes a rectifier circuit, a first DC to DC conversion module and a second DC to DC conversion module. The first DC to DC conversion module includes multiple power switches and an inductor and is coupled between the rectifier circuit and the second DC to DC conversion module. Multiple power switches in the first DC to DC conversion module are controlled to be turned on simultaneously, so that a voltage across each of the power switches in the first DC to DC conversion module is reduced. The alternating current to direct current conversion circuit includes no power switch with a high withstand voltage, so that the alternating current to direct current conversion circuit has a small volume, low switching loss, less energy loss, and good heat dissipation, thereby increasing power density.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 15, 2023
    Assignee: SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
    Inventors: Wei Chen, Chen Zhao
  • COVER PLATE AND DISPLAY DEVICE
    Publication number: 20230255091
    Abstract: A cover plate and a display device is provided. The cover plate includes a first cover plate layer and a second cover plate layer. The first cover plate layer is located on a light entry side of the cover plate. The second cover plate layer is located on a light exit side of the cover plate and attached to a first surface of the first cover plate layer. A plurality of protrusions are disposed on the first surface of the first cover plate layer. A refractive index of the first cover plate layer is less than a refractive index of the second cover plate layer.
    Type: Application
    Filed: June 9, 2021
    Publication date: August 10, 2023
    Inventor: Chen ZHAO
  • POWER CONVERTER
    Publication number: 20230253884
    Abstract: A power converter can include: a plurality of circuit modules coupled in parallel between a first port and a second port, where each of the plurality of circuit modules includes a switching power stage circuit having a first magnetic element coupled between a switch node of the switching power stage circuit and a first terminal of the second port, at least one switch group having first and second transistors and being coupled between a first terminal of the first port and a first terminal of the switching power stage circuit, and at least one first energy storage capacitor for providing energy to a load of the power converter; and a plurality of second energy storage capacitors configured to periodically store energy and release energy to corresponding first energy storage capacitors.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Wang Zhang, Chen Zhao
  • Alternating current to direct current conversion circuit
    Patent number: 11722070
    Abstract: An alternating current to direct current conversion circuit includes N first power converters instead of a boost circuit including a power switch with a high withstand voltage. The N first power converters each have an input end and theses input ends are connected in series, to perform power factor correction. Therefore, the alternating current to direct current conversion circuit includes no power switch with a high withstand voltage, so that the alternating current to direct current conversion circuit has a small volume, low switching loss, less energy loss, and good heat dissipation, thereby increasing power density.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 8, 2023
    Assignee: SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
    Inventors: Wei Chen, Chen Zhao
  • UNIVERSAL SHORT ADAPTERS WITH VARIABLE LENGTH NON-RANDOM UNIQUE MOLECULAR IDENTIFIERS
    Publication number: 20230242977
    Abstract: The disclosed embodiments concern methods, systems and computer program products for determining sequences of interest using unique molecular indexes (UMIs) that are uniquely associable with individual polynucleotide fragments, including sequences with low allele frequencies or long sequence length. In some implementations, the UMIs include variable-length nonrandom UMIs (vNRUMIs). Methods and systems for making and using sequencing adapters comprising vNRUMIs are also provided.
    Type: Application
    Filed: August 17, 2022
    Publication date: August 3, 2023
    Inventors: Chen Zhao, Kevin Wu, Han-Yu Chuang, Jennifer Lococo, Alex So, Dwight Baker, Tatjana Singer
  • Method and apparatus for generating virtual avatar, device and storage medium
    Patent number: 11715259
    Abstract: Embodiments of a method and apparatus for generating a virtual avatar, a device and a storage medium are provided. The method may include: determining a template coefficient of a target face in a to-be-processed image based on at least two real face feature templates; and determining a virtual avatar of the target face according to the template coefficient and at least two virtual face feature templates associated with the at least two real face feature templates.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: August 1, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Ruizhi Chen, Chen Zhao
  • DIGITAL ISOLATOR AND DIGITAL SIGNAL TRANSMISSION METHOD
    Publication number: 20230231745
    Abstract: A digital isolator can include: an encoding circuit configured to receive and encode an input digital signal, in order to generate an encoded signal, wherein a rising edge of the input digital signal is encoded as a first pulse sequence, and a falling edge of the input digital signal is encoded as a second pulse sequence; an isolation element coupled to the encoding circuit, and being configured to transmit the encoded signal in an electrically isolated manner; and a decoding circuit configured to receive the encoded signal through the isolation element, and to decode the encoded signal, in order to generate an output digital signal consistent with the input digital signal.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 20, 2023
    Inventors: Yufei Dong, Xiaodong Huang, Ye Yuan, Chen Zhao
  • DIGITAL ISOLATOR AND DIGITAL SIGNAL TRANSMISSION METHOD THEREOF
    Publication number: 20230231548
    Abstract: A digital isolator can include: an encoding circuit configured to receive an input digital signal, and to encode a rising edge and a falling edge of the input digital signal into different encoded signals; an isolating element coupled to the encoding circuit, and being configured to transmit the encoded signal in an electrical isolation manner; and a decoding circuit configured to receive the encoded signal through the isolating element, and to decode the encoded signal to obtain the rising edge and the falling edge, in order to output an output digital signal consistent with the input digital signal.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventors: Yufei Dong, Xiaodong Huang, Chen Zhao
  • SUBSTITUTED PYRIDINES AND METHODS OF USE
    Publication number: 20230218597
    Abstract: The present disclosure provides inhibitors of activin receptor-like kinase 5 (ALK5). Also disclosed are methods to modulate the activity of ALK5 and methods of treatment of disorders mediated by ALK5.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 13, 2023
    Inventors: Christina Owens, Svitlana Kulyk, Steven D.E. Sullivan, Paul Allegretti, Mandy Loo, Jennifer Kozak, Chen Zhao, Erik Fenster, Adam D. Hughes
  • ANTENNA STRUCTURE
    Publication number: 20230223710
    Abstract: An antenna structure includes a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to the first radiation element. The third radiation element is coupled to a first grounding point. The third radiation element is further coupled through the fourth radiation element to a second grounding point. The fifth radiation element is coupled to the third radiation element and the fourth radiation element. The fifth radiation element is adjacent to the second radiation element. The first radiation element and the second radiation element are at least partially surrounded by the third radiation element, the fourth radiation element, and the fifth radiation element.
    Type: Application
    Filed: February 22, 2022
    Publication date: July 13, 2023
    Inventors: Chun-I CHEN, Chun-Yuan WANG, Yu-Chen ZHAO, Chung-Ting HUNG
  • METHOD FOR GENERATING VIRTUAL CHARACTER, ELECTRONIC DEVICE AND STORAGE MEDIUM
    Publication number: 20230206578
    Abstract: A method for generating a virtual character is provided, relating to a field of artificial intelligence technology, and in particular, to fields of computer vision, virtual/augmented reality and meta universe technologies. The implementation includes: converting a plurality of points of an initial three-dimensional virtual character into a frequency domain, so as to obtain a plurality of frequency domain points; rendering the plurality of frequency domain points, so as to generate a first three-dimensional virtual character; determining a perceptual feature of the first three-dimensional virtual character; and generating a second three-dimensional virtual character according to a difference between the perceptual feature and a predetermined style feature. An electronic device and a storage medium are also provided.
    Type: Application
    Filed: March 9, 2023
    Publication date: June 29, 2023
    Inventors: Jie LI, Chen ZHAO
  • SOMATIC COPY NUMBER VARIATION DETECTION
    Publication number: 20230207048
    Abstract: Presented herein are techniques for assessing copy number variation. The techniques include generating a baseline representative of or mimicing a hypothetical matched sample for an individual biological sample from a set of baseline samples that are not matched to the biological sample. Normalized sequencing data from the set of baseline samples that includes at least one copy number baseline for a region of interest is provided to a user.
    Type: Application
    Filed: September 21, 2017
    Publication date: June 29, 2023
    Inventors: Han-Yu Chuang, Chen Zhao
  • Systems and methods for grouping and collapsing sequencing reads
    Patent number: 11688489
    Abstract: Disclosed herein are systems and methods for collapsing sequencing reads and identifying similar sequencing reads. In one example, a method includes generating a plurality of first identifier subsequences from a first identifier sequence of each nucleotide sequencing read and generating a first signature for the nucleotide sequencing read by applying hashing to the plurality of first identifier subsequences. The method may include assigning the nucleotide sequencing read to a first particular bin of a first data structure based on the first signature and determining a nucleotide sequence for each first particular bin of the first data structure with one or more nucleotide sequencing reads assigned.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 27, 2023
    Assignee: Illumina, Inc.
    Inventors: Chen Zhao, Kevin Eric Wu, Sven Bilke
  • DIGITAL ISOLATOR
    Publication number: 20230198635
    Abstract: A digital isolator can include: an encoding circuit configured to receive an input digital signal, and to generate an encoded signal according to the input digital signal; an isolation element having a primary winding, a first secondary winding, and a second secondary winding; a differential circuit configured to receive first and second differential signals, and to generate a difference signal according to the first and second differential signals; and a decoding circuit coupled with the differential circuit, and being configured to receive the difference signal, and to generate a target digital signal after decoding.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 22, 2023
    Inventors: Yufei Dong, Xiaodong Huang, Chen Zhao
  • THREE DIMENSIONAL CIRCUIT MODULE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20230199962
    Abstract: A three dimensional circuit module can include: a plurality of PCBs located on different faces, where surfaces of the PCBs include circuit modules; a plurality of circuit assemblies connected through components; where the plurality of circuit assemblies comprises at least one first circuit assembly having a first main board and at least one first side board that are located on different faces, where the first main board and at least one first side board of the first circuit assembly are obtained by integrated curing molding process; and where the first main board of the first circuit assembly is located on one PCB board, and the first side board is located on an adjacent PCB board, in order to realize connection of adjacent PCBs.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 22, 2023
    Inventors: Gao Fan, Chen Zhao
  • INTERACTION METHOD OF AUDIO-VIDEO SEGMENTATION, APPARATUS, DEVICE AND STORAGE MEDIUM
    Publication number: 20230185438
    Abstract: An interaction method of audio-video segmentation and apparatus, and a device and a storage medium. The method includes: detecting whether a selected clip exists in a target audio-video; in response to the selected clip existing in the target audio-video, displaying a split button upon detecting that a pointer on a track of the target audio-video is located in the selected clip; and splitting the selected clip, in response to a trigger operation for the split button, based on an intersection position of the pointer and the selected clip. Compared with an interaction means in which a split button resides in a pointer of a track, mis-operations of audio-video splitting can be reduced to the greatest extent, and the usage experience of a user is improved to a certain extent.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 15, 2023
    Inventors: Zhaoqin LIN, Qifan ZHENG, Yan ZENG, Pingfei FU, Chen ZHAO