Patents by Inventor Xiaofeng Wang

Xiaofeng 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).

  • Patent number: 11168868
    Abstract: A decoration is disclosed, which includes: a light source emitting light in at least two directions; a transmission member having an eyeball pattern; and a projection member; the light emitted by the light source in at least two directions passes through the transmission member, and projects the eyeball pattern onto at least two positions on the projection member. Another disclosed decoration includes: two sets of light sources, each set of light sources emitting light in at least two directions; two transmission members, each transmission member having an eyeball pattern; and two projection members; the light emitted by each set of the light sources in at least two directions passes through the transmission member, and projects the eyeball pattern onto at least two positions on the projection member. The decoration has simple structure and diverse functions, and produces a visual effect of moving eyeballs by means of projection for decoration applications.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: November 9, 2021
    Assignees: JOYIN INC., SHANGHAI LE YOUNG ELECTRONIC COMMERCE CO., LTD.
    Inventors: Liang Huang, Xiaofeng Wang
  • Publication number: 20210298555
    Abstract: The present disclosure provides a dry-wet separation cleaning floor brush. The dry-wet separation cleaning floor brush includes a housing, a stiff roller brush and a soft roller brush, wherein the housing is provided with a partition plate dividing the inner part of the housing into a first storage chamber and a second storage chamber which are disconnected to each other, wherein the stiff roller brush is partially contained in the first storage chamber and is movably connected to the housing, and the stiff roller brush partially protrudes the housing; and the soft roller brush is partially contained in the second storage chamber and movably connected to the housing, and the soft roller brush partially protrudes the housing.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 30, 2021
    Inventors: Xiaofeng WANG, Shangliu LIU, Chaoliang MA
  • Patent number: 11115977
    Abstract: Aspects of the present disclosure provide techniques for uplink (UL) data channel design. An example method is provided for operations which may be performed by a first apparatus. The example method generally comprises determining a number of pilot symbols to transmit for one or more slots of a first subframe based, at least in part, on a coverage enhancement (CE) level, and transmitting at least one uplink data channel having the determined number of pilot symbols in the one or more slots of the first subframe.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: September 7, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Seyed Ali Akbar Fakoorian, Alberto Rico Alvarino, Peter Gaal, Wanshi Chen, Yongbin Wei, Juan Montojo, Renqiu Wang, Hao Xu, Xiaofeng Wang
  • Publication number: 20210252486
    Abstract: The present invention discloses a novel method and novel compositions comprising well-dispersed particulate metal materials, including metal nanoparticles and/or metal single-atom materials, on various substrates, said method comprising the use of atomic layer deposition (ALD) and optimization of the metal precursor dose time and the number of ALD cycles. Illustrative of the metals are Fe, Ni, Co, Ru, Rh, Ir, Os, Pt, Pd, and the like; and illustrative of the various substrates are carbon nanotubes (CNTs) (including multi-walled carbon nanotubes (MWCNTs), SiO2, TiO2, alumina, CeO2, ZnO, ZrO2, activated carbon, CuO, Fe2O3, MgO, CaO, graphene, and the like.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 19, 2021
    Inventors: Xinhua LIANG, Xiaofeng WANG
  • Publication number: 20210249672
    Abstract: A process for detecting a low-level leak in a fuel cell system is provided. The process includes, within a computerized fuel cell controller, operating programming to monitor operation of the fuel cell system, determine an expected reduction in pressure within an anode gas loop of the fuel cell system based upon the monitored operation, determine a calibrated threshold pressure change based upon the expected reduction in pressure and a margin selected to indicate excess hydrogen gas within the anode gas loop indicating a fuel injector leak, when a fuel injector of the fuel cell system is commanded to a closed state, monitor a pressure within the anode gas loop through a time period, compare the monitored pressure within the anode gas loop through the time period to the calibrated threshold pressure change, and when the comparing indicates the excess hydrogen gas is present, taking remedial action.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 12, 2021
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jie Kou, Chad Dubois, Xiaofeng Wang
  • Patent number: 11089593
    Abstract: Aspects of the present disclosure provide techniques for design of channel raster for narrowband operation. One example method, performed by a base station, generally includes determining, based on one or more conditions, an exact frequency location of one channel of one or more channels to perform narrowband communications with a user equipment. The method also includes transmitting an indication of the one or more conditions to the user equipment. The method further includes communicating with the UE, based at least in part on the exact frequency location of the one channel.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: August 10, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Alberto Rico Alvarino, Peter Gaal, Xiaofeng Wang, Wanshi Chen, Seyed Ali Akbar Fakoorian, Hao Xu, Renqiu Wang, Jing Lei
  • Patent number: 11085033
    Abstract: The present invention discloses a glycosylated oxalate decarboxylase. The oxalate decarboxylase is derived from edible basidiomycetes, the glycosylated oxalate decarboxylase has an enzyme activity at the pH value of 1.5-7.5, the activity at the pH value of 1.5-2.0 is 10% greater than the optimum activity, and a specific activity is more than 2 U/mg. The present invention also discloses preparation and application of the glycosylated oxalate decarboxylase. The glycosylated oxalate decarboxylase disclosed by the present invention can keep the activity under a low pH value, and can effectively prevent and treat kidney stones.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: August 10, 2021
    Assignee: WUHAN KANGFUDE BIOTECHNOLOGY CO., LTD.
    Inventors: Haifeng Liu, Baoping Song, Xianqiao Chen, Huoqing Chen, Pei Tong, Wei Wang, Xiaofeng Wang
  • Patent number: 11081885
    Abstract: Provided is a battery energy storage grid-load interactive method, terminal, system and medium for superimposed control. The method includes: receiving, by the battery energy storage grid-load interactive terminal, a load shedding instruction sent by a master station; sending, by the battery energy storage grid-load interactive terminal, the load shedding instruction to the power conversion system to enable the power conversion system to switch the operating state of the power conversion system from a charging state or a standby state or a discharging state to a maximum power discharging state according to the load shedding instruction; and sending, by the battery energy storage grid-load interactive terminal, the load shedding instruction to the energy managing system to enable the energy managing system to control the power conversion system.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: August 3, 2021
    Inventors: Jijun Yin, Yong Xia, Xiaofeng Wang, Yaohong Li, Xiao Lu, Jianyu Luo, Jinhu Wang, Zhenyu Chen, Haifeng Li, Chengliang Wang, Jie Fan, Cheng Li, Hongxing Wang, Yujun Lu, Hao Chen, Jiajia Cao, Ning Wang, Yonggao Ge
  • Publication number: 20210195076
    Abstract: The present invention provides a TOF camera module and electronic device and an assembly method, wherein the TOF camera module includes a floodlight module, a receiving module and a plurality of electronic components, and a part of the electronic components is conductively connected to the floodlight module, a part of the electronic components is conductively connected to the receiving module, and the receiving module provides a first circuit board and at least one of the plurality of electronic components is located on a back side of the first circuit board of the receiving module.
    Type: Application
    Filed: August 27, 2019
    Publication date: June 24, 2021
    Inventors: Feifan CHEN, Hangang WEI, Beibei DAI, Xiaofeng WANG, Qinwen YU
  • Patent number: 11044633
    Abstract: Provided is an accurate load shedding system and method based on a power-dedicated wireless network. The system includes: a control master station layer, a control substation layer and a terminal user access layer. The control master station layer includes a control master station apparatus and an optical/E1 conversion device. The control substation layer includes an optical/E1 conversion device, a control substation apparatus and a wireless access device. The terminal user access layer includes a wireless core network, a base station and a control terminal. The wireless access device is connected to the wireless core network through Ethernet. The wireless core network is connected with the base station through an optical fiber. The control terminal is connected to a wireless network of the base station through customer premise equipment (CPE).
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 22, 2021
    Assignees: State Grid Jiangsu Electric Power Co., Ltd., Nari Technology Co., Ltd.
    Inventors: Jijun Yin, Qing Chen, Zheng Wu, Xiaofeng Wang, Xiao Lu, Jianyu Luo, Xueming Li, Kaiming Luo, Jianbo Luo, Yunsong Yan
  • Publication number: 20210181465
    Abstract: The present invention relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; and an eighth lens. The camera optical lens satisfies following conditions: 4.00?f1/f?7.50; f2?0.00; and 1.55?n4?1.70, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f2 denotes a focal length of the second lens; and n4 denotes a refractive index of the fourth lens. The present invention can achieve high optical performance while achieving ultra-thin, wide-angle lenses having a big aperture.
    Type: Application
    Filed: March 12, 2020
    Publication date: June 17, 2021
    Inventor: Xiaofeng Wang
  • Patent number: 11031615
    Abstract: A method of operating a fuel cell stack is described. The fuel cell stack includes a cathode, an anode, a sump configured for collecting water from the anode, and a temporarily disabled drain valve that is otherwise configured to transition from a first position to a second position and thereby modulate water drained from the sump. The method includes increasing a first pressure in the anode via a controller. The method also includes, concurrent to increasing, decreasing a second pressure in the cathode via the controller and, concurrent to decreasing, maintaining a relative humidity of less than a threshold relative humidity in the cathode via the controller.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: June 8, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Manish Sinha, Xiaofeng Wang, Chad Dubois, Sergio E. Garcia
  • Publication number: 20210166609
    Abstract: Hybrid architectures and method methods of operating a display panel are described. In an embodiment, row driver and pixel driver functions are combined in a group of backbone hybrid pixel driver chips, wherein global signal lines are distributed to the backbone hybrid pixel driver chips, where the global signals are manipulated and distributed to a row of pixel driver chips.
    Type: Application
    Filed: November 4, 2020
    Publication date: June 3, 2021
    Inventors: Xiang Lu, Mahdi Farrokh Baroughi, Xiaofeng Wang, Derek K. Shaeffer, Henry C. Jen, Hopil Bae
  • Publication number: 20210163614
    Abstract: Provided herein are an apelin receptor (APJ) antibody and its fusion protein with Elabela. Also provided herein is a pharmaceutical composition of a fusion protein with APJ antibody and Elabela, and use thereof in treating, preventing, or alleviating one or more symptoms of pulmonary arterial hypertension, pulmonary hypertension or one or more symptoms of heart failure.
    Type: Application
    Filed: June 13, 2019
    Publication date: June 3, 2021
    Applicant: GMAX BIOPHARM LLC
    Inventors: Cheng Zhang, Lei Sun, Rongzhu Wang, Chenjiang Yao, Xiaofeng Wang, Hua Zhang, Shuqian Jing
  • Publication number: 20210162045
    Abstract: The present invention discloses an antibody specifically binding to a human endothelin receptor and uses thereof, where the antibody can inhibit the functions of the human endothelin receptor. The present invention includes the preparation, cloning, expression, and characterization of the antibody. The present invention can be used to effectively treat pulmonary arterial hypertension, a disease associated with pulmonary arterial hypertension, and a reproductive organ cancer in a human.
    Type: Application
    Filed: November 18, 2020
    Publication date: June 3, 2021
    Applicant: GMAX BIOPHARM LLC
    Inventors: Cheng Zhang, Hua Zhang, Xiaofeng Wang, Chenjiang Yao, Yan Jiang, Min Wang, Xinxin Shi, Hao Pan, Shuqian Jing
  • Patent number: 11003791
    Abstract: The system disclosed implements a secure method for facilitating secure exchange of health information among various stakeholders, including data owners or contributors, data requestors or miners, and medical providers, including hospitals, clinics, and research laboratories. Additional aspects of the system provide means for conducting secure research on health data collected from data contributors. Health information is exchanged using a decentralized system that incentivizes data contributors to provide health data to data miners. The data miners, which may be pharmaceutical companies, medical laboratories, or hospitals, use various methods in order to perform research on aggregated contributor data, while maintaining contributor privacy.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: May 11, 2021
    Assignee: Hangzhou Nuowei Information Technology Co., Ltd.
    Inventors: Shuang Wang, Xiaofeng Wang, Haixu Tang, Wenhao Wang, Ali Farahanchi, Hao Zheng
  • Publication number: 20210122827
    Abstract: Provided herein are a glucagon receptor (GCGR) antibody and its fusion protein with glucagon-like peptide-1 (GLP-1), and a pharmaceutical composition thereof. Also provided herein is a method for using the GCGR antibody and its fusion protein with GLP-1 to treat, prevent or improve one or more symptoms of hyperglycemia, type 2 diabetes, metabolic syndrome or dyslipidemia.
    Type: Application
    Filed: March 19, 2019
    Publication date: April 29, 2021
    Applicant: GMAX BIOPHARM LLC
    Inventors: Cheng ZHANG, Hua ZHANG, Xiaofeng WANG, Chenjiang YAO, Yan JIANG, Liangliang BI, Shuqian JING
  • Patent number: 10964235
    Abstract: An electronic device may include a display. The display includes display driver circuitry for driving data lines routed across the display. The electronic device may have a recessed device housing region, where at least some of the data lines are routed around the recessed region. The data lines being routed around the recessed region may be formed in at least two different metal routing layers. The electronic device may further include additional display driver circuitry for driving data lines from another peripheral housing edge to obviate the need to route around the recessed region. The data lines from the two display driver circuitries can be disconnected at random locations or can be interlaced to achieve spatial interleaving. The display driver circuitry may include demultiplexing circuitry having smaller switches coupled in parallel with larger demultiplexer routing switches to reduce voltage kick and charge injection.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 30, 2021
    Assignee: Apple Inc.
    Inventors: Cheng-Ho Yu, Xiaofeng Wang, ByoungSuk Kim, Chun-Yao Huang, Fenghua Zheng, Hopil Bae, Patrick B. Bennett, Steven M. Scardato, Yi Huang
  • Publication number: 20210063493
    Abstract: An anode system is arranged to supply pressurized hydrogen to the anode of a fuel cell, and includes a multi-injector system. A controller is executable to monitor, via a pressure sensor, pressure in the anode system and command actuations of the plurality of hydrogen injectors. The controller may detect a fault in the multi-injector system when the commanded actuations of the plurality of hydrogen injectors are greater than a first threshold and the pressure in the anode system cell is less than a second threshold. The controller may execute alternating actuation of the hydrogen injectors of the multi-injector system and monitor the pressure in the anode system to detect a fault in one of the hydrogen injectors based upon the pressure in the anode system.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 4, 2021
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chad Dubois, Jie Kou, Manish Sinha, Xiaofeng Wang
  • Publication number: 20210061904
    Abstract: Provided herein are a gastric inhibitory polypeptide receptor (GIPR) antibody and its fusion protein with glucagon-like peptide-1 (GLP-1), and a pharmaceutical composition thereof. Also provided herein is a method for using the GIPR antibody and its fusion protein with GLP-1 to treat, prevent or improve one or more symptoms of non-alcoholic fatty liver disease, non-alcoholic steatohepatitis, type 2 diabetes or obesity.
    Type: Application
    Filed: March 19, 2019
    Publication date: March 4, 2021
    Applicant: Gmax Biopharm LLC
    Inventors: Xiaofeng WANG, Hua ZHANG, Chenjiang YAO, Cheng ZHANG, Shuqian JING