Patents by Inventor Yong Qian

Yong Qian 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: 20220017976
    Abstract: Disclosed are methods and compositions for real-time monitoring cellular calcium ion dynamics by red-shifted genetically encoded indicators under optogenetic control, in which millisecond-timescale of temporal control of optical activation or inactivation and signal recording can be achieved. The methods include artifact-free functional imaging in conjunction with optogenetic tools for studying cellular physiology, signal transduction and neuronal activity. Thus, all-optical and non-invasive approaches for drug screening, toxicity testing and assessment of cell functions may be provided.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 20, 2022
    Inventors: Yu-fen CHANG, Yi SHEN, Yong QIAN, Min-wen CHUNG, Robert CAMPBELL
  • Publication number: 20210403118
    Abstract: A scooter folding mechanism includes a bottom plate, an inclined rod, a limiting mechanism, a double-lock catch, a limiting plate rotatably arranged on the bottom plate, and a pedal rotatably arranged on the limiting plate. The inclined rod is rotatably arranged on the bottom plate. The limiting mechanism includes unfolding and folding clamping slots arranged on the inclined rod, a limiting piece and a return spring arranged on the limiting plate and matched with the unfolding or folding clamping slots. The return spring is configured to drive the limiting piece to engage with the unfolding or folding clamping slots. The unfolding and folding clamping slots are distributed circumferentially around a first shaft rod. The double-lock catch includes a double-lock block rotatably arranged on the inclined rod and a double-clamping groove arranged on the pedal and matched with the double-lock block.
    Type: Application
    Filed: June 18, 2020
    Publication date: December 30, 2021
    Applicant: Zhejiang Jinbang Sports Equipment Co., Ltd.
    Inventors: Yongqiang XU, Yuancheng LIU, Yong QIAN
  • Publication number: 20210374922
    Abstract: A method for image combination may include obtaining a first image and a second image; dividing the first image into a plurality of first image blocks and dividing the second image into a plurality of second image blocks; for each of the plurality of first image blocks, determining a first block weight based on edge information of the first image block and determining a second block weight based on overall information of the first image block; for each of the plurality of second image blocks, determining a third block weight based on overall information of the second image block; determining an exposure gain ratio based on the second block weights and the third block weights; determining a first combination weight and a second combination weight based on the exposure gain ratio; generating a third image based on the first combination weights and the second combination weights.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 2, 2021
    Applicant: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
    Inventors: Yong QIAN, Junjun YU, Wei FANG, Yinchang YANG
  • Publication number: 20210323825
    Abstract: The present invention belongs to the technical field of biomass carbon materials, and relates to a lignin porous carbon nanosheet, a preparation method therefor, and an application thereof in supercapacitor electrode materials. The method of the present invention performs layer-by-layer self-assembly of sulfonated lignin and oxalate in a selective solvent to prepare a layer-by-layer self-assembled lignin/oxalate composite, which is then carbonized and pickled to obtain the lignin porous carbon nanosheets. The lignin porous carbon nanosheets prepared by the above method of the present invention have a specific surface area of 200-1500 m2/g, a micropore specific surface area of 100-500 m2/g, a mesoporous specific surface area of 100-1000 m2/g, a pore diameter of 0.5-30 nm, and a pore volume of 0.5-1.5 cm3/g; they can be applied to supercapacitor electrode materials, showing higher specific capacitance and excellent rate performance (with a specific capacitance retention rate of 76.
    Type: Application
    Filed: October 23, 2019
    Publication date: October 21, 2021
    Inventors: Xueqing Qui, Dongjie Yang, Yong Qian, Hongming Lou, Zhiqiang Fang, Weifeng Liu, Zhixian Li, Jinhao Huang, Xinping Ouyang
  • Publication number: 20210261447
    Abstract: A treatment system for removing hardness, silicon, and turbidity from wastewater having a high salt concentration, comprising an integrated reaction apparatus comprising a reaction box and a chemical drug adding device, and a membrane separation apparatus comprising a membrane pool and a membrane component. The wastewater having the high salt concentration enters the reaction box; a required chemical drug is added to the wastewater by means of the chemical drug adding device; the chemical drug and the wastewater are fully mixed and reacted to produce different kinds of sludge particles; a sludge particle mixed liquid directly enters the membrane pool; under the action of an aeration device, the sludge particle mixed liquid is in a suspension state and uniform in concentration, and is screened and filtered by the membrane component; and produced water is discharged from the membrane pool, and intercepted sludge particles are discharged from the membrane pool.
    Type: Application
    Filed: September 19, 2019
    Publication date: August 26, 2021
    Applicant: KEYSINO SEPARATION TECHNOLOGY INC.
    Inventors: Chengci Zhang, Zuoyun He, Xinyan Cheng, Yong Qian
  • Patent number: 11059031
    Abstract: A three-dimensional lignin porous carbon/zinc oxide composite material and its preparation and application in the field of photocatalysis are disclosed. The method includes preparing a lignin/zinc oxide precursor composite by a hydrothermal method from a zinc salt, a weak alkali salt and an industrial lignin, and preparing a three-dimensional lignin porous carbon/zinc oxide composite material by high temperature calcination of the lignin/zinc oxide precursor composite. The composite material has a regular three-dimensional pore structure, with zinc oxide nanoparticles uniformly embedded among the three-dimensional lignin porous carbon nanosheets. Application of the composite material to the field of photocatalysis, especially as a photocatalyst for photocatalytic degradation of organic dye pollutants, can significantly improve the degradation efficiency and rate, and has potential application value in the field of photocatalytic degradation of organic pollutants.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 13, 2021
    Inventors: Dongjie Yang, Yong Qian, Xueqing Qiu, Hongming Lou, Weifeng Liu, Xinping Ouyang, Zhiqiang Fang, Yuxia Pang, Conghua Yi
  • Patent number: 11055831
    Abstract: A system and method for filling light for video images are provided. The method may include: obtaining, by at least one video processing device, a first image including a plurality of reference pixels and is associated with at least one brightness direction; for each of the plurality of reference pixels, obtaining, by the at least one video processing device, a reference brightness value; identifying, by the at least one video processing device, a target brightness direction from the at least one brightness direction; for each of the plurality of reference pixels, determining a brightness enhancement multiplier for the reference pixel based on the plurality of reference brightness values and locations of the plurality of reference pixels along the target brightness direction of the first image; and modifying, by the at least one video processing device, brightness of the first image at least based on the brightness enhancement multipliers.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: July 6, 2021
    Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
    Inventors: Yong Qian, Junjun Yu, Wei Fang
  • Publication number: 20200369912
    Abstract: A lignosulfonate dispersion self-healing polyurea coating and a preparation method therefor. The coating is obtained by reacting the following components in parts by mass: 1-10 parts of microcapsules of a lignosulfonate-embedded healing agent; 10-100 parts a polyurea prepolymer; 20-120 parts of a mixed solution of an amino-terminated polyether and a sterically hindered amine chain extender. The preparation method for the coating comprises the steps of at room temperature, adding a mixed solution of microcapsules of a lignosulfonate-embedded healing agent, an amino-terminated polyether and a sterically hindered amine chain extender into a polyurea prepolymer and reacting same at room temperature for 10 min-4 h. The self-healing polyurea coating may be applied to the field of material surface protection, i.e., corrosion resistance of steel structures, especially marine steel structures.
    Type: Application
    Filed: October 16, 2018
    Publication date: November 26, 2020
    Inventors: Yong QIAN, Xueqing QIU, Lan LI, Dongjie YANG, Weifeng LIU, Xinping OUYANG, Hongming LOU, Conghua YI
  • Patent number: 10729624
    Abstract: The present invention, belonging to the technical field of chemical sun-screening agent preparation, discloses a high-ultraviolet absorption lignin/chemical sun-screening agent microcapsule using lignin as a wall material and a preparation method therefor. The method of the present invention comprises the following steps: (1) dissolving 1-20 parts by weight of lignin in 100-200 parts by weight of an aqueous solution with a pH of 12, adjusting the pH of the solution to 7-10, and then removing insoluble substances by filtration to obtain a lignin solution; and (2) mixing 10-50 parts by weight of the lignin solution in step (1) with 1-10 parts by weight of a chemical sun-screening agent, and performing ultrasonic radiation under a power of 200-1500 W for 10 s to 25 min to obtain a lignin/chemical sun-screening agent microcapsule emulsion.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: August 4, 2020
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xueqing Qiu, Yong Qian, Ying Li, Dongjie Yang, Hongming Lou, Shiping Zhu, Weifeng Liu
  • Publication number: 20200208186
    Abstract: A method for promoting enzymolysis of lignocellulose by using a pH-responsive lignin amphoteric surfactant and recovery of a cellulase. The method includes: adding lignocellulose to a buffer solution, and then adding a pH-responsive lignin amphoteric surfactant and a cellulase; controlling the pH of the mixed solution to be 4.0-6.2, heating the solution to a temperature of 40° C. to 60° C. and reacting at said temperature for 24-96 h to obtain a saccharified hydrolyzate of lignocellulose; and obtaining an enzymolysed liquid by solid-liquid separation, and then adjusting the pH of the enzymolysed liquid to precipitate the pH-responsive lignin amphoteric surfactant and the cellulase for recycling. The method can effectively improve the enzymolysis efficiency of lignocellulose, recover a certain amount of cellulase, and expand the applications of industrial lignin. The method does not require additional equipment, and is simple to operate and environmentally friendly.
    Type: Application
    Filed: November 27, 2017
    Publication date: July 2, 2020
    Inventors: Hongming LOU, Xueqing QIU, Yuxia PANG, Dongjie YANG, Yong QIAN, Jinhao HUANG, Conghua YI, Weifeng LIU, Dafeng ZHENG
  • Patent number: 10574713
    Abstract: According to one embodiment, a technique is presented to dynamically adjust a sample period used at a presenter device for a screen content capture sharing function during a communication session. In another embodiment, a technique is provided to control how frames of screen capture content, e.g., in a desktop sharing function, are sent to attendee devices during an online conference session. According to a still another embodiment, a technique is provided to enable on-demand designation of frames as key-frames during a desktop sharing function of an online conference session.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: February 25, 2020
    Assignee: Cisco Technology, Inc.
    Inventors: Haihua Huang, Yong Qian, Kejun Xia, Yaqing Zhang
  • Publication number: 20190343736
    Abstract: The present invention, belonging to the technical field of chemical sun-screening agent preparation, discloses a high-ultraviolet absorption lignin/chemical sun-screening agent microcapsule using lignin as a wall material and a preparation method therefor. The method of the present invention comprises the following steps: (1) dissolving 1-20 parts by weight of lignin in 100-200 parts by weight of an aqueous solution with a pH of 12, adjusting the pH of the solution to 7-10, and then removing insoluble substances by filtration to obtain a lignin solution; and (2) mixing 10-50 parts by weight of the lignin solution in step (1) with 1-10 parts by weight of a chemical sun-screening agent, and performing ultrasonic radiation under a power of 200-1500 W for 10 s to 25 min to obtain a lignin/chemical sun-screening agent microcapsule emulsion.
    Type: Application
    Filed: November 21, 2017
    Publication date: November 14, 2019
    Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xueqing QIU, Yong QIAN, Ying LI, Dongjie YANG, Hongming LOU, Shiping ZHU, Weifeng LIU
  • Publication number: 20190311468
    Abstract: A system and method for filling light for video images are provided. The method may include: obtaining, by at least one video processing device, a first image including a plurality of reference pixels and is associated with at least one brightness direction; for each of the plurality of reference pixels, obtaining, by the at least one video processing device, a reference brightness value; identifying, by the at least one video processing device, a target brightness direction from the at least one brightness direction; for each of the plurality of reference pixels, determining a brightness enhancement multiplier for the reference pixel based on the plurality of reference brightness values and locations of the plurality of reference pixels along the target brightness direction of the first image; and modifying, by the at least one video processing device, brightness of the first image at least based on the brightness enhancement multipliers.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Applicant: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
    Inventors: Yong QIAN, Junjun YU, Wei FANG
  • Publication number: 20190291081
    Abstract: A three-dimensional lignin porous carbon/zinc oxide composite material and its preparation and application in the field of photocatalysis are disclosed. The method includes preparing a lignin/zinc oxide precursor composite by a hydrothermal method from a zinc salt, a weak alkali salt and an industrial lignin, and preparing a three-dimensional lignin porous carbon/zinc oxide composite material by high temperature calcination of the lignin/zinc oxide precursor composite. The composite material has a regular three-dimensional pore structure, with zinc oxide nanoparticles uniformly embedded among the three-dimensional lignin porous carbon nanosheets. Application of the composite material to the field of photocatalysis, especially as a photocatalyst for photocatalytic degradation of organic dye pollutants, can significantly improve the degradation efficiency and rate, and has potential application value in the field of photocatalytic degradation of organic pollutants.
    Type: Application
    Filed: November 16, 2017
    Publication date: September 26, 2019
    Inventors: Dongjie Yang, Huan Wang, Xueqing Qiu, Hongming Lou, Weifeng Liu, Yong Qian, Xinping Ouyang, Sisi Wen
  • Patent number: 10314794
    Abstract: The invention relates to a drug sustained-release composition, particularly a sustained-release composition comprising metoprolol and preparation method thereof. The invention also relates to a combination product comprising a sustained-release composition comprising metoprolol and a pharmaceutical composition comprising hydrochlorothiazide. The sustained-release composition comprising metoprolol according to the invention eliminates the phenomena of delayed release of such sustained-release compositions in the prior art, has a better drug release curve, and also have the advantages such as simple formula, easy operation, stable quality, strong controllability, and good reproducibility, and therefore have good application prospects.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 11, 2019
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Chunsheng Gao, Yuli Wang, Meiyan Yang, Li Shan, Jingjing Dai, Yong Qian, Yan Qiu
  • Patent number: 9894117
    Abstract: In an example embodiment, a virtual conference is established with a server and a plurality of endpoint devices. One endpoint device, acting as a sender, may transfer a file to N other endpoint devices, acting as receivers. The sender divides the file in at least N segments and delivers one segment to each receiver. Receivers then request the next desired segment from one or more devices containing that segment. If devices hold the segment, the segment may be divided into parts, and one part may be requested from each device.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: February 13, 2018
    Assignee: Cisco Technology, Inc.
    Inventors: Haihua Huang, Jianping Shen, Yong Qian, Kejun Xia
  • Patent number: 9887892
    Abstract: Provided by the present disclosure are a traffic statistics collection method and device. In the method, one and the same counter is adopted to set an input control parameter for each type of message in N types of messages respectively; N count values are acquired from the counter when a first preset moment is reached, wherein the N count values include: a total number count of the N types of messages and N?1 input control parameter counts, which are received by a preset port at the first preset moment; and statistics are collected for traffic, at the first preset moment, of the each type of message in the N types of messages through the N input control parameters and the N count values respectively, thereby saving counter resources.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: February 6, 2018
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO. LTD.
    Inventors: Yinkui Cheng, Yong Qian
  • Patent number: 9851390
    Abstract: A method for detecting and locating faulty line on the distribution network circuit based on full waveform information, which uses the current data on the fault occurrence and whole-process operation of the compensation device to effectively solve such common problems as low fault current, poor reliability and low sensitivity in case of single-phase grounding fault to the low-current system through precise GPS synchronization. It improves the sensitivity and reliability of the grounding fault detection, which does not interfere with the system and is applicable to high-resistance grounding.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: December 26, 2017
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Yadong Liu, Gehao Sheng, Jiejie Dai, Jiamei Liu, Yun Hu, Xiaolei Xie, Yong Qian, Yue Hu, Xiuchen Jiang
  • Publication number: 20170258883
    Abstract: Disclosed is a method of making a proteinase-engineered cancer vaccine or cancer-cell-derived spheres for treating a cancer patient, especially for cancer patients at advanced/metastatic stage. The cancer vaccine comprises dead cancer-cell-derived spheres with unbroken plasma membrane wherein the extracellular proteins and extracellular portion of membrane proteins are cleaved by proteinase digestion. The cancer vaccine may be derived from cancer cell lines or patients' cancer cells or derivatives. Also disclosed is a method of treating a cancer patient by administrating an effective amount of the cancer vaccine or cancer-cell-derived spheres to the patient. The present invention further provides a method of treating multiple diseases in addition to cancers by the cancer-cell-derived spheres, and obtaining cancer-specific immune components from blood of individuals treated with the cancer-cell-derived spheres.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 14, 2017
    Inventor: Yong Qian
  • Patent number: 9738612
    Abstract: Disclosed are a use of a methylacryloyl benzimidazolone derivative, an optical isomer or a pharmaceutically acceptable salt or prodrug thereof in the preparation of: (a) a pharmaceutical composition or reagent for down-regulating the activity of PI3K/Akt pathways; (b) a pharmaceutical composition or reagent for treating or inhibiting a tumour; and/or inhibiting tumour cell growth; and/or (c) a pharmaceutical composition or reagent for blocking the cell cycle. The compounds involved in the present invention can down-regulate the level of Akt phosphorylation in P13K/Akt signaling pathways, and the functional effects of the compounds are equivalent to those of a novel small-molecular targeting drug MK2206; while the research at the cellular level has found that the methylacryloyl benzimidazolone derivatives represented by FD1 have a good proliferation inhibiting effect on tumour cells. What is different from MK2206 is that FD1 has better effects on a PTEN deleted cell.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: August 22, 2017
    Assignees: Shanghai Nature Standard R&D and Biotech Co., Ltd, Shanghai Standard Technology Co., Ltd., Shanghai Founder Biomed R&D Co., Ltd.
    Inventors: Jiapeng Li, Zhiqin Ji, Xiaoya Zhou, Shaopeng Wei, Yong Qian, Tianpei Xie