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: 11631873
    Abstract: A method for controlling a fuel cell system having a hydrogen fuel injector/ejector and a control system, includes determining a hydrogen fuel consumption rate associated with a selected power level at steady state, determining a modeled hydrogen fuel flow rate associated with the selected power level and the injector/ejector, determining a modeled effective flow area associated with the injector/ejector, determining a true effective flow area of the injector/ejector, and using the effective flow area to calculate or adjust a command signal, an estimation or an estimation error of at least one of a hydrogen fuel flow rate, an anode leak rate and an anode exhaust valve flow rate.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: April 18, 2023
    Assignee: GM Global Technology Operations LLC
    Inventors: Xiaofeng Wang, Manish Sinha, Chad Dubois, Sergio E. Garcia
  • Patent number: 11613745
    Abstract: The present invention relates to a recombinant OxDC expressed in a filamentous fungal host cell, methods for constructing a recombinant filamentous fungal host cell, methods for producing recombinant OxDC and the application thereof. The recombinant filamentous fungal host cell comprises one or more copies of OxDC expression cassette integrated in its genome; the expression cassette comprises a promoter, a signal peptide coding sequence, an OxDC coding sequence and a transcription terminator. The host cell can be constructed by random integration or site-specific integration. In addition, the present invention also optimizes the medium formulation for different recombinant filamentous fungal host cells. In the production of the recombinant OxDC, the final yield and enzyme activity were greatly improved. The invention effectively solves the problem that the production of OxDC in the prior art cannot be industrialized on a large scale.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: March 28, 2023
    Assignee: WUHAN KANGFUDE BIOTECHNOLOGY CO., LTD.
    Inventors: Wei Wang, Xiaofeng Wang, Yanhong Liu, He Huang, Huoqing Chen, Xianqiao Chen
  • Patent number: 11571018
    Abstract: Disclosure is an aerosol generating article having a low temperature burning heat source, including a low temperature burning smoking set and a matching cigarette, the smoking set includes a heat insulation sleeve, an annular heat conductive barrel, a cover and a heat source cigarette lighter; the barrel is provided in an annular mounting groove at a left section of an inner wall of the sleeve, the cover is provided at a left end of the sleeve, a cavity of the barrel is filled with the heat source in a sealed manner; a plurality of electric heating columns are provided at a right end of the lighter; the cover is provided with a plurality of insertion holes, and after the plurality of electric heating columns are inserted into the plurality of insertion holes, the lighter gets in contact with the barrel to ignite the heat source in the barrel.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: February 7, 2023
    Assignee: CHINA TOBACCO ANHUI INDUSTRIAL CO., LTD.
    Inventors: Shun Zhou, Xiaofeng Wang, Chenghu Wang, Jin Zhang, Qing He, Xiaoyu Zhang, Yaping Zhang
  • Patent number: 11570597
    Abstract: Certain aspects of the present disclosure relate to methods and apparatus for pilot design for Narrow-Band Internet of Things (NB-IoT). In certain aspects, the method generally includes determining at least one binary code sequence to use as a demodulation reference signal (DMRS) for a channel transmitted across one or more subframes using one or more tones within a resource block (RB) allocated to the UE for narrowband communication, and transmitting the channel including the DMRS using the one or more tones and the determined binary code sequence. In certain aspects, the binary code sequence may be determined based on a binary random sequence, such as pseudo noise (PN) or Gold sequence.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: January 31, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Seyed Ali Akbar Fakoorian, Peter Gaal, Alberto Rico Alvarino, Xiaofeng Wang, Wanshi Chen, Renqiu Wang, Hao Xu
  • Publication number: 20230013734
    Abstract: An electronic display includes an active area including multiple pixels. The electronic display also includes a first row driver set including a first column of row drivers and a second column of row drivers. A first active row driver in the first column of row drivers drives a first portion of the multiple pixels, and a first spare row driver in the second column of row drivers is in an inactive state. The electronic display also includes a second row driver set including a third column of row drivers and a fourth column of row drivers. A third active row driver in the third column of row drivers drives a second portion of the multiple pixels, and a second spare row driver in the fourth column of row drivers is inactive.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Inventors: Mohammad B Vahid Far, Hopil Bae, Mahdi Farrokh Baroughi, Xiaofeng Wang
  • Publication number: 20230020298
    Abstract: A construction method for a radiation-proof concrete hole reserved split bolt includes: 1) mounting a hole reserved sleeve; 2) mounting an inclined recoverable split bolt; 3) mounting an inclined split bolt; 4) fixing the inclined recoverable split bolt and an inclined split bolt main body; 5) pouring concrete, and dismantling related components; 6) plugging the inclined split bolt main body; and 7) plugging the hole reserved sleeve. According to the construction method, the hole reserved sleeve is obliquely arranged, the inner side of the hole reserved sleeve is sprayed with a radiation-proof coating with the functions of reducing radiation ray reflection and absorbing certain radiation rays, and in addition, after the construction of a pipeline or a line in the hole reserved sleeve is finished, the openings at both ends of the hole reserved sleeve are plugged with a radiation-proof mortar incorporated with a micro-expanding agent and a waterproof agent.
    Type: Application
    Filed: June 21, 2022
    Publication date: January 19, 2023
    Applicants: China Railway The Third Engineering Group Construction and Installation Engineering Co., Ltd., The Third Engineering Group Co., Ltd. of China Railway
    Inventors: Zhiqiang WANG, Xiaofeng WANG, Huasong YIN, Wei WU, Junyi MENG, Liangliang LIAN, Xiuru CHENG, Zhipeng YAO, Wenkui GAO, Yuan ZHAO, Ze ZHANG, Le REN, Yingbo DONG, Lin LI, Yajuan ZHANG
  • Publication number: 20230006822
    Abstract: Dynamic encryption and decryption method among lock control system modules comprise the following steps: step 1. filling hardware ID data, an unlocking communication protocol and a mask variable into an array according to a predefined variable space, and encrypting the array based on the mask variable to obtain an encrypted array; step 2. decrypting the encrypted array based on the mask variable to obtain a decrypted array, executing data division on the decrypted array according to the predefined variable space, matching the divided data with data recorded in advance one by one, and if the divided data are consistent with the data recorded in advance, executing related operations according to the decrypted unlocking communication protocol content; otherwise, executing no operation.
    Type: Application
    Filed: December 27, 2019
    Publication date: January 5, 2023
    Inventors: Jiayan LIU, Wenkun CHEN, Xiaofeng WANG, Shuigen LV
  • Patent number: 11542336
    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: Grant
    Filed: March 19, 2019
    Date of Patent: January 3, 2023
    Assignee: GMAX BIOPHARM LLC
    Inventors: Cheng Zhang, Hua Zhang, Xiaofeng Wang, Chenjiang Yao, Yan Jiang, Liangliang Bi, Shuqian Jing
  • Publication number: 20220411520
    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: September 16, 2020
    Publication date: December 29, 2022
    Applicant: GMAX BIOPHARM LLC
    Inventors: Hua ZHANG, Xiaofeng WANG, Chenjiang YAO, Cheng ZHANG, Shuqian JING
  • Patent number: 11532259
    Abstract: An electronic display includes an active area including multiple pixels. The electronic display also includes a first row driver set including a first column of row drivers and a second column of row drivers. A first active row driver in the first column of row drivers drives a first portion of the multiple pixels, and a first spare row driver in the second column of row drivers is in an inactive state. The electronic display also includes a second row driver set including a third column of row drivers and a fourth column of row drivers. A third active row driver in the third column of row drivers drives a second portion of the multiple pixels, and a second spare row driver in the fourth column of row drivers is inactive.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: December 20, 2022
    Inventors: Mohammad B Vahid Far, Hopil Bae, Mahdi Farrokh Baroughi, Xiaofeng Wang
  • Patent number: 11503975
    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: Grant
    Filed: March 27, 2020
    Date of Patent: November 22, 2022
    Assignee: SHENZHEN SHERMON TECHNOLOGY CO., LIMITED
    Inventors: Xiaofeng Wang, Shangliu Liu, Chaoliang Ma
  • Publication number: 20220362192
    Abstract: Embodiments of the present disclosure relate to doses of ornithine phenylacetate for treating or ameliorating hyperammonemia and the methods of administrating the same in a patient with a chronic liver disease, for example, cirrhosis. In some embodiments, the patient also has hepatic encephalopathy as a complication of the liver disease.
    Type: Application
    Filed: October 15, 2020
    Publication date: November 17, 2022
    Inventors: Xiaofeng Wang Rears, Jack Tseng, Carmen Mak, Nagaraju Poola, Regis Vilchez, Aniruddha Potnis, Susan VanMeter, Jan Stange
  • Patent number: 11460668
    Abstract: The present disclosure relates to an optical lens, in particular to a camera optical lens. The camera optical lens includes, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, the second lens has a negative refractive power, and the third lens has a negative refractive power, and the camera optical lens satisfies the following conditions: 3.00?f1/f?6.00, and ?14.00?R7/d7??5.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R7 denotes a curvature radius of an object-side surface of the fourth lens, d7 denotes an on-axis thickness of the fourth lens. The camera optical lens can obtain high imaging performance and a low TTL.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: October 4, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xiaofeng Wang, Lei Zhang
  • Publication number: 20220308270
    Abstract: The present disclosure relates to the field of display technology. Provided are a photo-alignment device and a photo-alignment method.
    Type: Application
    Filed: April 9, 2021
    Publication date: September 29, 2022
    Inventors: Xiaofeng WANG, Yanping HONG, Wenhao WANG
  • Publication number: 20220271918
    Abstract: A method for establishing a shared key, includes: determining, by a first device, a braid group Bn having an index n as a public key; selecting, by the first device, a plurality of elements from the braid group Bn to generate a subgroup P, and selecting an element x from the subgroup P as a private key; receiving, by the first device, {y?1?1y,y?1?2y, . . . , y?1?n?1y} sent from a second device; sending, by the first device, {x?1?1x,x?1?2x, . . . , x?1?n?1x} calculated according to the first private key and each element of the public key, to the second device, to allow the second device to replace all occurrences of ?k in the second private key y with x??kx to obtain fy(x?1?1x,x?1?2x, . . . , x?1?n?1x)=x?1yx and to obtain the shared key x?1y?1xy by calculation; and replacing all ?k in the first private key of the first device with y?1?ky to obtain fx(y?1?1yy?1?2y, . . . , y?1?n?1y)=y?1xy, and calculating to obtain the shared key x?1y?1xy.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 25, 2022
    Applicant: SHENZHEN UNIVERSITY
    Inventors: Xiaofeng WANG, Hanling LIN, Yipin LING, Weijian WANG
  • Publication number: 20220265771
    Abstract: Provided is a fusion protein of an ETA antibody and a TGF-? Trap. Also provided is a pharmaceutical composition of the fusion protein of the ETA antibody and the TGF-? Trap. Further provided is a method for treating, preventing, or improving one or more symptoms of pulmonary arterial hypertension, pulmonary hypertension, pulmonary fibrosis, or cardiovascular fibrosis by using the fusion protein of the ETA antibody and the TGF-? Trap.
    Type: Application
    Filed: July 14, 2020
    Publication date: August 25, 2022
    Applicant: GMAX BIOPHARM LLC
    Inventors: Cheng ZHANG, Chenjiang YAO, Hua ZHANG, Xiaofeng WANG, Shuqian JING
  • Patent number: 11424855
    Abstract: Aspects of the present disclosure provide techniques for physical broadcast channel (PBCH) and master information block (MIB) design. An example method is provided for operations which may be performed by a user equipment (UE). The example method generally comprises receiving, a first number of symbols within a first subframe on a physical channel, performing a first blind decode on the first number of symbols to obtain a first set of bits, performing one or more cyclic shifts on the first set of bits, calculating a redundancy check value for the first set of bits, and decoding an information block based on the whether the redundancy check value passes. Aspects of the present disclosure provide techniques for transmission configurations. An example method is provided for operations which may be performed by a base station (BS).
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: August 23, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Alberto Rico Alvarino, Xiaofeng Wang, Peter Gaal, Wanshi Chen, Juan Montojo, Hao Xu
  • Patent number: 11409077
    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: Grant
    Filed: March 12, 2020
    Date of Patent: August 9, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Xiaofeng Wang
  • Publication number: 20220246082
    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: April 22, 2022
    Publication date: August 4, 2022
    Inventors: Xiang Lu, Mahdi Farrokh Baroughi, Xiaofeng Wang, Derek K. Shaeffer, Henry C. Jen, Hopil Bae
  • Publication number: 20220208091
    Abstract: Local passive matrix displays and methods of operation are described. In an embodiment, the display includes a pixel driver chip coupled with a matrix of rows and columns of LEDs. The pixel driver chips may be arranged in rows across the display with separate portions to operate separate matrices of LEDs.
    Type: Application
    Filed: January 14, 2022
    Publication date: June 30, 2022
    Inventors: Derek K. Shaeffer, Mahdi Farrokh Baroughi, Xiaofeng Wang, Sam S. Li, John T. Wetherell, Henry C. Jen, Xiang Lu, Hasan Akyol, Hopil Bae, Xiang Fang, Hjalmar Edzer Ayco Huitema, Tore Nauta