Patents by Inventor Qin Wang

Qin 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).

  • Method for preparation of attapulgite-based pH-responsive antibacterial material
    Patent number: 11700849
    Abstract: Disclosed is a method for preparing an attapulgite-based pH-responsive antibacterial material, including: directly spraying a natural aldehyde-based antibacterial agent onto an attapulgite powder under stirring, and constantly stirring the attapulgite powder for 20-30 min; grinding the attapulgite powder in a ball mill for 30-60 min to obtain a ground attapulgite powder; placing the ground attapulgite powder in a stirred tank, and spraying a chitosan-citric acid aqueous solution onto the ground attapulgite powder; after spraying, constantly stirring the ground attapulgite powder for 30-120 min; and finally drying the ground attapulgite powder to obtain a dried attapulgite powder, sieving the dried attapulgite powder to obtain a sieved attapulgite powder, and packaging the sieved attapulgite powder to obtain the antibacterial material.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: July 18, 2023
    Assignee: Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Aiqin Wang, Aiping Hui, Fangfang Yang, Yuru Kang, Bin Mu, Qin Wang, Yongfeng Zhu
  • CORE-SHELL STRUCTURE MEMBRANE SCALE INHIBITOR AND PREPARATION METHOD THEREFOR
    Publication number: 20230212048
    Abstract: Disclosed are a core-shell structure membrane scale inhibitor and a preparation method therefor, wherein the core-shell structure membrane scale inhibitor has a core emulsion obtained via emulsion polymerization, and a shell structure obtained via ultraviolet-light grafting functional monomers. The preparation method has first preparing a core by using an emulsion polymerization process, adding a reactive photo-initiator in the later stage of polymerization, so that the reactive photo-initiator is grafted on the surface of the core, and finally initiating the polymerization of functional monomers by means of ultraviolet light to obtain a core-shell structure membrane scale inhibitor. The surface structure of the core is modified, such that a large number of ionizable groups are grafted on the surface thereof, and thus, a large number of scaling ions such as Ca2+, Mg2+ and Al3+ can be adsorbed.
    Type: Application
    Filed: June 2, 2021
    Publication date: July 6, 2023
    Applicant: JIANGSU FEYMER TECHNOLOGY CO., LTD.
    Inventors: Guofeng HE, Zhuqing LIU, Qin WANG
  • VERTICAL TRANSFER STRUCTURES
    Publication number: 20230215900
    Abstract: Pixels, such as for image sensors and electronic devices, include a photodiode formed in a semiconductor substrate, a floating diffusion, and a transfer structure selectively coupling the photodiode to the floating diffusion. The transfer structure includes a transfer gate formed on the semiconductor substrate, and a vertical channel structure including spaced apart first doped regions formed in the semiconductor substrate between the transfer gate and the photodiode. Each spaced apart first doped region is doped at a first dopant concentration with a first-type dopant. The spaced apart first doped regions are formed in a second doped region doped at a second dopant concentration with a second-type dopant of a different conductive type.
    Type: Application
    Filed: January 5, 2022
    Publication date: July 6, 2023
    Applicant: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Qin Wang, Hui Zang
  • Photovoltaic power optimization system
    Patent number: 11658488
    Abstract: The disclosure discloses a photovoltaic power optimization system, comprising: a plurality of photovoltaic panels; a photovoltaic optimizing module array comprising a plurality of photovoltaic optimizing modules connected in series, each of the photovoltaic optimizing modules being electrically connected to at least one of the photovoltaic panels; an inverter electrically connected to an output terminals of the photovoltaic optimizing module array for converting a DC power into an AC power; and a data center unit communicates wirelessly with at least one of the photovoltaic optimizing modules, and also communicates with the inverter via power line.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 23, 2023
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Xuancai Zhu, Bingwen Weng, Qin Wang, Wei Zhao
  • Image sensor with through silicon fin transfer gate
    Patent number: 11658198
    Abstract: A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region. The photodiode is disposed in a semiconductor material. The photodiode is coupled to generate charge in response to incident light. The floating diffusion region is disposed in the semiconductor material. The transfer gate is disposed between the photodiode and the floating diffusion region. The channel region associated with the transfer gate is in the semiconductor material proximate to the transfer gate. The transfer gate is coupled to transfer the charge from the photodiode to the floating diffusion region through the channel region in response to a transfer signal coupled to be received by the transfer gate. The transfer gate includes a plurality of fin structures that extend into the semiconductor material and the photodiode.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 23, 2023
    Assignee: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Qin Wang, Gang Chen
  • Image sensor with through silicon fin transfer gate
    Patent number: 11658199
    Abstract: A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region. The photodiode is disposed in a semiconductor material. The photodiode is coupled to generate charges in response to incident light. The photodiode has a substantially uniform doping profile throughout a depth of the photodiode in the semiconductor material. The floating diffusion region is disposed in the semiconductor material. The transfer gate is disposed between the photodiode and the floating diffusion region, wherein the transfer gate includes a plurality of fin structures. The channel region associated with the transfer gate is in the semiconductor material proximate to the transfer gate. The transfer gate is coupled to transfer the charge from the photodiode to the floating diffusion region through the channel region in response to a transfer signal coupled to be received by the transfer gate.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 23, 2023
    Assignee: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Qin Wang, Gang Chen
  • MEMORY REPAIR AT AN INFORMATION HANDLING SYSTEM
    Publication number: 20230130808
    Abstract: Managing a memory element of a memory module, including identifying a PPR listing for the memory element that is stored at a SPD of the memory module; identifying an event associated with a memory address location of the memory element during runtime of the memory module and in response accessing the SPD to write data to the PPR listing indicating the memory address location of the memory element associated with the event; determining whether the PPR listing has available space to store the data indicating the memory address location of the memory element associated with the event; determining that the PPR listing has available space to store the data indicating the memory address location of the memory element associated with the event, and in response, storing the data indicating the memory address location of the memory element associated with the event at the PPR listing at the SPD.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 27, 2023
    Inventors: Kevin M. Cross, Jordan Chin, Isaac Qin Wang
  • Tilted transfer gate for advanced CMOS image sensor
    Patent number: 11637138
    Abstract: A pixel circuit includes a trench etched into a front side surface of a semiconductor substrate. The trench includes a bottom surface etched along a <100> crystalline plane and a tilted side surface etched along a <111> crystalline plane that extends between the bottom surface and the front side surface. A floating diffusion is disposed in the semiconductor substrate beneath the bottom surface of the trench. A photodiode is disposed in the semiconductor substrate beneath the tilted side surface of the trench and is separated from the floating diffusion. The photodiode is configured to photogenerate image charge in response to incident light. A tilted transfer gate is disposed over at least a portion of the bottom surface and at least a portion of the tilted side surface of the trench. The tilted transfer gate is configured to transfer the image charge from the photodiode to the floating diffusion.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: April 25, 2023
    Assignee: OmniVision Technologies, Inc.
    Inventor: Qin Wang
  • Defect Prevention Methods for Pixel-Array Substrates
    Publication number: 20230122521
    Abstract: A method for preventing defects in a thin film deposited on a semiconductor substrate includes forming a plurality of trenches on a periphery-region of the semiconductor substrate to yield a trenched surface. The semiconductor substrate includes a pixel array; the periphery-region surrounds the pixel array. The trenched surface includes (i) a plurality of trench regions each forming a respective one of the plurality of trenches and (ii) between each pair of adjacent trenches, a respective one of a plurality of inter-trench surfaces. The method also includes depositing the thin film on the surface such that the thin film covers each inter-trench surface and conformally covers each trench region.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 20, 2023
    Inventors: Qin WANG, Gang CHEN
  • NEEDLE GROOVE PLATE, PUNCTURE SUPPORT, AND BIOPSY DEVICE
    Publication number: 20230123079
    Abstract: A needle groove plate (5), a puncture support (100) and a biopsy device are disclosed. The puncture support (100) includes a main body (1), a rod (4), and a needle groove plate (5), wherein the main body (1) can be connected to an ultrasonic probe (200) and is provided with a channel (13), and the length of the channel (13) is less than the length of the rod (4); the rod (4) can from a first end thereof go into the channel (13) and slide back and forth in the channel (13) along a first direction, the first direction being parallel to an extending direction of the rod (4); and the needle groove plate (5) is fixed to a second end of the rod (4), and is provided with at least one needle penetration hole (513) parallel to the first direction.
    Type: Application
    Filed: March 11, 2020
    Publication date: April 20, 2023
    Applicant: SUZHOU LEAPMED HEALTHCARE CORPORATION
    Inventor: QIN Wang
  • Oral care product and methods of use and manufacture thereof
    Patent number: 11612553
    Abstract: This invention relates to oral care compositions comprising an effective amount of a basic amino acid in free or salt form, together with an antibacterial agent, and to methods of using and of making such compositions.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 28, 2023
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Ravi Subramanyam, Sarita V. Mello, Donghui Wu, Suman Chopra, Andre M. Morgan, Diane Cummins, Richard J. Sullivan, Ralph Peter Santarpia, III, Lynette Zaidel, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes, Rajnish Kohli, Richard Scott Robinson, Sergio Leite, Eric A. Simon
  • Tail gas treatment catalyst, preparation method therefor and use thereof
    Patent number: 11596932
    Abstract: Disclosed in the present invention is a tail gas treatment catalyst. The catalyst consists of a carrier, a first catalyst, and a second catalyst. The first catalyst and the second catalyst are provided on both ends of the carrier. The first catalyst can purify pollutants in tail gas. The second catalyst can purify a byproduct, ammonia, obtained by the purification by the first catalyst and pollutants that are not completely purified by the first catalyst. The second catalyst is of a double-layer structure; the lower layer consists of an oxygen storage material, aluminum oxide, and a second active component; the second active component is a composition of Pt and Pd, or a composition of Ce, Fe, Ni and Cu; the upper layer consists of a molecular sieve and a third active component; the third active component is Cu or a composition of Cu and Fe.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 7, 2023
    Assignee: Sinocat Environmental Technology Co., Ltd.
    Inventors: Yun Wang, Yi Dan, Hongyi Du, Zan Zhu, Tiantian Luo, Yanhua Zhang, Qin Wang, Yun Li, Qizhang Chen, Yongxiang Cheng
  • Temperature management of memory elements of an information handling system
    Patent number: 11600358
    Abstract: Managing a temperature of a memory element of an information handling system, the method comprising: identifying a lower temperature boundary of the memory element; determining an initial temperature of the memory element; determining whether the initial temperature is less than the lower temperature boundary; in response to determining that the initial temperature is less than the lower temperature boundary: performing a series of repeated burst refresh operations at the memory element; after performing the series of repeated burst refreshes operations, determining an updated temperature of memory element; determining whether the updated temperature is less than the lower temperature boundary; and in response to determining that the updated temperature is greater than the lower temperature boundary, performing a normal boot of the memory element.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: March 7, 2023
    Assignee: Dell Products L.P.
    Inventors: Jordan Chin, Isaac Qin Wang
  • Method and Apparatus for Adaptively Optimizing Autonomous Driving System
    Publication number: 20230063354
    Abstract: A method for adaptively optimizing an autonomous driving system includes obtaining a driving intent of a driver of a target vehicle, wherein the target vehicle is an autonomous driving vehicle controlled by the autonomous driving system, detecting, based on the driver's driving intent, that a conflict exists between a first driving behavior of the target vehicle controlled by the autonomous driving system and the driver's driving intent, and updating the autonomous driving system such that a driving behavior of the target vehicle controlled by an updated autonomous driving system matches the driving intent.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 2, 2023
    Inventors: Xiaoyu Sun, Hongqiang Guo, Qin Wang, Deming Zhang
  • FLARE-REDUCING IMAGE SENSOR
    Publication number: 20230061285
    Abstract: A flare-reducing image sensor includes a plurality of pixels, NP in number, and a plurality of microlenses, NML in number, where each of the plurality of microlenses is aligned to a respective one of the plurality of pixels, such that NP=NML. The flare-reducing image sensor further includes a plurality of phase-shifting layers, NL, in number, where each phase-shifting layer is aligned with a respective one of the plurality of microlenses, where NL, is less than or equal to NML.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 2, 2023
    Inventors: Qin WANG, Chao NIU
  • CHAMPAGNE TOWER-TYPE MULTI-STAGE THROTTLE CONTROL VALVE
    Publication number: 20230052558
    Abstract: A champagne tower-type multi-stage throttle control valve includes a valve body, a valve cover, a throttle sleeve, and a valve core. A sleeve cavity of the throttle sleeve is shaped as a stepped hole with two or more layers. The valve core is shaped as a stepped shaft with two or more layers coaxial with the throttle sleeve. The number of shaft shoulders of the valve core is smaller than or equal to the number of hole shoulders of the sleeve cavity of the throttle sleeve, such that each set of shaft shoulders of the valve core in an axial direction can form a sealing surface fit with corresponding hole shoulders of the throttle sleeve. A flow channel groove is axially or obliquely formed on each of the hole shoulders of the throttle sleeve and/or the shaft shoulders of the valve core.
    Type: Application
    Filed: March 11, 2021
    Publication date: February 16, 2023
    Applicant: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE CO., LTD
    Inventors: Wei WANG, Fengguan CHEN, You MING, Hongbing YU, Shengtao GENG, Xiaojie YE, Qin WANG
  • High frequency electrical connector
    Patent number: 11581684
    Abstract: An electrical connector includes an elongate insulative housing defining a central slot extending along a longitudinal direction, and two rows of contacts disposed by two sides of the central slot. The housing forms a front receiving cavity to receive the corresponding mating tongue of the complementary connector, and a rear receiving cavity to receive the corresponding insulators wherein each insulator is integrally formed with each row of contacts via insert-molding for completing the whole contact module. Each grounding contact is equipped with the corresponding EMI absorber before being insert-molded within the insulator so as to have the corresponding EMI absorber also integrally formed with the insulator.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: February 14, 2023
    Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Rui-Qin Wang, Zhan-Sheng Meng, Meng Liu, Yen-Chih Chang, Yu-San Hsiao, Shih-Wei Hsiao, Jhih-Yao Jiang
  • FLARE-SUPPRESSING IMAGE SENSOR
    Publication number: 20230035130
    Abstract: Embodiments disclosed herein reduce petal flare. A flare-suppressing image sensor includes a plurality of pixels including a first set of pixels and a second set of pixels. The flare-suppressing image sensor further includes plurality of microlenses, where each microlens is aligned to a respective one of the first set of pixels. The flare-suppressing image sensor further includes plurality of sub-microlens, where each microlens array is aligned to a respective one of the second set of pixels.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 2, 2023
    Inventors: Gang CHEN, Qin WANG, Chao NIU
  • Pixel-array substrate and defect prevention method
    Patent number: 11563044
    Abstract: A pixel-array substrate includes a semiconductor substrate and a passivation layer. The semiconductor substrate includes a pixel array surrounded by a periphery region. A back surface of the semiconductor substrate forms, in the periphery region, a plurality of first peripheral-trenches extending into the semiconductor substrate. The passivation layer is on the back surface and lines each of the plurality of first peripheral-trenches.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 24, 2023
    Assignee: OmniVision Technologies, Inc.
    Inventors: Qin Wang, Gang Chen
  • Collapsible pet bowl
    Patent number: D975369
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: January 10, 2023
    Inventor: Qin Wang