Patents by Inventor Fei Ding

Fei Ding 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: 20230043437
    Abstract: Disclosed are a compound preparation for neuranagenesis, and a preparation method therefor and the use thereof. The compound preparation for neuranagenesis comprises the raw medicinal materials in parts by weight: 10-20 parts of raw Astragali radix, 10-20 parts of Rehmaimiae Radix praeparata, 10-20 parts of Actyranthes bidentata, 6-15 parts of Jujubae fructus, 6-15 parts of Lycii fructus, 6-15 parts of parched Ziziphi spinosae semen, 6-12 parts of Angelicae smensis radix, 3-9 parts of Carthami flos, 6-15 parts of Poria, 6-15 parts of parched Atractylodis macrocephalae rhizoma and 10-20 parts of Zaocys. The compound preparation can be used for preparing drugs to treat nerve damage diseases, and can be prepared into oral liquids, granules, dissolved granules and tablets.
    Type: Application
    Filed: January 5, 2021
    Publication date: February 9, 2023
    Inventors: Xiaosong GU, Chunkang TANG, Fei DING, Xiaoming YANG, Qiong CHENG, Hualin SUN, Lai XU
  • Publication number: 20220412928
    Abstract: Disclosed is a device for evaluating damage of fracturing fluid to reservoir and operation method thereof, the device includes a liquid storage tank, a suction tube, a chromatography device, a bracket, a receiving container and a height adjuster; the disclosure has the following beneficial effects: since different liquids pass through the porous medium at different time and speed and the silica gel particles will not expand when immersed in the liquid, a porous structure is formed by placing silica gel particles of different sizes to simulate the pore-throat structure of unconventional oil and gas reservoirs, hence removing the influence of fracturing fluid on the hydration and expansion damage of the reservoir matrix, by testing the time and flow rate of different fracturing fluids flowing through the silica gel pores, the degree of damage caused by fracturing fluids to unconventional oil and gas reservoirs is evaluated.
    Type: Application
    Filed: August 2, 2021
    Publication date: December 29, 2022
    Inventors: Weichu Yu, Ying Zhang, Fei Ding, Dongkui Zhou, Wenming Shu, Aibin Wu, Yongtao Song, Yumin Li, Lei Yu
  • Patent number: 11524987
    Abstract: Methods are disclosed for producing highly purified recombinant human insulin (RHI) having a purity of 99.0% (w/w) or greater, a Total Impurity (not including the related substance desamido AsnA21-RHI, as specified by USP) of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less. Also disclosed are API compositions of highly purified RHI having a purity of 99.0% (w/w) or greater, a Total Impurity of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 13, 2022
    Assignee: AMPHASTAR PHARMACEUTICALS, INC.
    Inventors: Jie Fei Ding, Aili Bo, Jack Yongfeng Zhang, Mary Zi-ping Luo, Zhongli Bao
  • Patent number: 11408264
    Abstract: Disclosed is a method for determining three-dimensional in-situ stress based on displacement measurement of borehole wall, including the following steps: pumping the prefluid and the sand-carrying fluid into the target interval, and injecting the biological oil displacement agent into the target interval in sequence; pumping temporary plugging agent into the target layer to implement crack plugging diverting; pumping the sand-carrying liquid into the target interval, and injecting the biological oil displacement agent into the target interval. The beneficial effect of the technical scheme proposed in this disclosure is: by injecting oil displacement agent to fracturing fluid, the temporary plugging diverting fracturing is integrated constructed with enhanced oil recovery, at the same time, it can overcome the incomplete removal of temporary plugging agent and the water lock effect of fracturing fluid caused by diverting fracturing.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: August 9, 2022
    Assignees: YANGTZE UNIVERSITY, JINGZHOU MODERN PETROLEUM TECHNOLOGY DEVELOPMENT CO. LTD
    Inventors: Weichu Yu, Ying Zhang, Rui Li, Hui Zhao, Lei Zhang, Wenjie Xia, Pingtian Fan, Baocheng Wu, Wenming Shu, Fei Ding
  • Publication number: 20220205920
    Abstract: Some embodiments of the invention provide methods that can create large area complex patterns for nanoimprint molds without or with very litter of the use of the charged beam or photon beam direct-writing of nanostructures. Some embodiments of the invention use (i) Fourier nanoimprint patterning (FNP), (ii) edge-guided nanopatterning (EGN), and (iii) nanostructure self-perfection, and their combinations.
    Type: Application
    Filed: August 4, 2021
    Publication date: June 30, 2022
    Inventors: Stephen Y. CHOU, Fei DING
  • Patent number: 11356816
    Abstract: A vehicle clustering method includes: acquiring vehicle dynamic information, the vehicle dynamic information including vehicle positions and vehicle speeds; clustering vehicles based on the vehicle dynamic information; calculating, based on the vehicle dynamic information, a link reliability and a link stability of the vehicles in a cluster; calculating, based on the link reliability and the link stability, a selection priority index for a cluster head; and selecting a vehicle with a largest selection priority index in the cluster as a cluster head.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: June 7, 2022
    Assignee: Nanjing University of Posts and Telecommunications
    Inventors: Dengyin Zhang, Min Zhang, Fei Ding, Yongjun Li, Nianqi Zhang
  • Patent number: 11352866
    Abstract: An enhanced oil recovery method includes: screening out implementation well that meet the requirements of a preset standard; selecting the target interval that can be used for enhanced oil recovery in the implementation well; obtaining the reservoir parameters and perforation parameters of the target interval, so as to divide the target interval into several groups of swallowing and exhaling segments, injecting the infection liquid containing and simmer the well for a period of time; and after the well simmering, the oil-water mixture replaced by the injection fluid is produced from each exhaling segment.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: June 7, 2022
    Assignee: YANGTZE UNIVERSITY
    Inventors: Weichu Yu, Ying Zhang, Fei Ding, Lei Zhang, Jianglu Jing, Aibin Wu, Wenming Shu, Zhengdong Lei, Huan Yang, Pingtian Fan, Dongkui Zhou, Hui Zhao, Wenjie Xia, Chaoyi She, Shuaishuai Li, Zhenhu Lv
  • Patent number: 11356891
    Abstract: A control method for data transmission and a terminal are provided. The control method for data transmission includes: determining, when a terminal has established a user-plane bearer link with a network and before transmitting data to be transmitted, whether or not a destination address of the data to be transmitted is recorded in a pre-created address whitelist; acquiring, if the destination address of the data to be transmitted is not recorded in the address whitelist, an application identifier corresponding to the data to be transmitted, and conducting access control decision based on the application identifier to obtain a decision result; and transmitting, when the decision result indicates that transmission of the data to be transmitted is permitted, the data to be transmitted through the user-plane bearer link.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 7, 2022
    Assignees: China Mobile Communication Ltd., Research Institute, China Mobile Communications Corporation
    Inventors: Ningyu Chen, Fei Ding, Xiaodong Xu, Nan Hu
  • Publication number: 20220127942
    Abstract: Disclosed is a method for determining three-dimensional in-situ stress based on displacement measurement of borehole wall, including the following steps: pumping the prefluid and the sand-carrying fluid into the target interval, and injecting the biological oil displacement agent into the target interval in sequence; pumping temporary plugging agent into the target layer to implement crack plugging diverting; pumping the sand-carrying liquid into the target interval, and injecting the biological oil displacement agent into the target interval. The beneficial effect of the technical scheme proposed in this disclosure is: by injecting oil displacement agent to fracturing fluid, the temporary plugging diverting fracturing is integrated constructed with enhanced oil recovery, at the same time, it can overcome the incomplete removal of temporary plugging agent and the water lock effect of fracturing fluid caused by diverting fracturing.
    Type: Application
    Filed: November 19, 2020
    Publication date: April 28, 2022
    Inventors: Weichu Yu, Ying Zhang, Rui Li, Hui Zhao, Lei Zhang, Wenjie Xia, Pingtian Fan, Baocheng Wu, Wenming Shu, Fei Ding
  • Publication number: 20210306905
    Abstract: A control method for data transmission and a terminal are provided. The control method for data transmission includes: determining, when a terminal has established a user-plane bearer link with a network and before transmitting data to be transmitted, whether or not a destination address of the data to be transmitted is recorded in a pre-created address whitelist; acquiring, if the destination address of the data to be transmitted is not recorded in the address whitelist, an application identifier corresponding to the data to be transmitted, and conducting access control decision based on the application identifier to obtain a decision result; and transmitting, when the decision result indicates that transmission of the data to be transmitted is permitted, the data to be transmitted through the user-plane bearer link.
    Type: Application
    Filed: September 19, 2017
    Publication date: September 30, 2021
    Inventors: Ningyu Chen, Fei Ding, Xiaodong Xu, Nan Hu
  • Patent number: 11122401
    Abstract: Disclosed in the invention is an emergency message transmission method based on D2D communication in IoV. Firstly, priority indexes are established for a set of vehicles within a safety range of a certain vehicle, and D2D connection pairs are established in ascending order of the priority indexes to transmit messages; and then, distance prediction is performed on the set of vehicles outside the safety range, priority indexes are established according to predicted distances, and D2D connection pairs are established in ascending order of the priority indexes to transmit messages. If same priority indexes appear, vehicles on the same lane are selected first. The invention implements timely transmission of safety warning information on basis of D2D communication, and performs safety warning, thereby solving the technical problem of inability to transmit safety information in time, and improving transmission performance of traffic messages. Therefore, the invention has high reliability and real-time properties.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 14, 2021
    Assignee: NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Dengyin Zhang, Min Zhang, Fei Ding, Nianqi Zhang, Lufeng Yuan
  • Patent number: 11110202
    Abstract: A differential tissue-engineered nerve including motor-like nerves and sensory-like nerves. The motor-like nerve and the sensory-like nerve respectively includes a motor-like nerve outer tube and a motor-like nerve fiber in the outer tube as well as a sensory-like nerve outer tube and a sensory-like nerve fiber in the outer tube. Schwann cells and/or fibroblasts derived from motor nerves and sensory nerves are respectively contained in surfaces or pores of the motor-like and sensory-like nerve outer tubes. Transsynaptic signal molecules Neuroligin-1 and Neuroligin-2 are contained in surfaces or pores of the motor-like and sensory-like nerve fibers. Neuroligin-1 is selectively used to specifically promote synaptic remodeling of motor neurons, while Neuroligin-2 is selectively used to specifically promote synaptic remodeling of sensory neurons, so that repair efficiency of motor nerve cells and sensory nerve cells is improved.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: September 7, 2021
    Assignee: NANTONG UNIVERSITY
    Inventors: Xin Tang, Cheng Sun, Gang Chen, Xiaosong Gu, Yumin Yang, Fei Ding, Yanpei Gong, Qianru He, Hongkui Wang, Mi Shen
  • Publication number: 20210273483
    Abstract: An example system includes an aggregator configured to receive a service collaboration request and iteratively determine, based on minimum and maximum power values for DERs under its management, an optimized operation schedule. The aggregator may also be configured to iteratively determine, based on the optimized operation schedule, an estimated flexibility range for devices under its management and output an indication thereof. The system may also include a power management unit (PMU) configured to iteratively receive the indication and determine, based on a network model that includes the estimated flexibility range, a reconfiguration plan and an overall optimized operation schedule for the network. The PMU may also be configured to iteratively cause reconfiguration of the network based on the plan. The PMU and aggregator may also be configured to iteratively, at a fast timescale, cause energy resources under their management to modify operation based on the overall optimized operation schedule.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 2, 2021
    Inventors: Fei DING, Weijia LIU
  • Publication number: 20210268149
    Abstract: A differential tissue-engineered nerve including motor-like nerves and sensory-like nerves. The motor-like nerve and the sensory-like nerve respectively includes a motor-like nerve outer tube and a motor-like nerve fiber in the outer tube as well as a sensory-like nerve outer tube and a sensory-like nerve fiber in the outer tube. Schwann cells and/or fibroblasts derived from motor nerves and sensory nerves are respectively contained in surfaces or pores of the motor-like and sensory-like nerve outer tubes. Transsynaptic signal molecules Neuroligin-1 and Neuroligin-2 are contained in surfaces or pores of the motor-like and sensory-like nerve fibers. Neuroligin-1 is selectively used to specifically promote synaptic remodeling of motor neurons, while Neuroligin-2 is selectively used to specifically promote synaptic remodeling of sensory neurons, so that repair efficiency of motor nerve cells and sensory nerve cells is improved.
    Type: Application
    Filed: September 11, 2019
    Publication date: September 2, 2021
    Inventors: Xin TANG, Cheng SUN, Gang CHEN, Xiaosong GU, Yumin YANG, Fei DING, Yanpei GONG, Qianru HE, Hongkui WANG, Mi SHEN
  • Publication number: 20210176568
    Abstract: A microphone assembly including an acoustic transducer configured to generate an electrical signal responsive to acoustic activity, an integrated circuit electrically coupled to the acoustic transducer and configured to receive the electrical signal from the acoustic transducer and generate an output signal representative of the acoustic activity, a cover, and a substrate. The substrate including a first surface and a second surface to which the cover is coupled. The second surface is disposed at a perimeter of the substrate and the first surface is raised with respect to the second surface. The cover is coupled to the substrate to form a housing in which the transducer and the integrated circuit are disposed.
    Type: Application
    Filed: December 2, 2020
    Publication date: June 10, 2021
    Inventor: Fei Ding
  • Patent number: 11029529
    Abstract: The present inventions is related to the optical lenses that use subwavelength structures to perform an optical function, the applications of such lenses, and the methods of making the same. Particularly, the present invention provide an optical lens(es), termed “subwavelength Moiré index lens” or “SMIL” for manipulating light. The SMIL comprises a thin material layer having an effective optical index that has a Moiré pattern of two or more periodic structures. The SMIL allows a lens to be ultrathin, flat, numerical aperture nearly one, scalable to large area, and manufacturable at low cost. The present invention also provides the systems based on SMIL, such lens systems, LEDs and photodetectors, and the fabrication methods of the SMIL.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: June 8, 2021
    Inventors: Stephen Y. Chou, Fei Ding, Wei Ding
  • Publication number: 20210160664
    Abstract: A vehicle clustering method includes: acquiring vehicle dynamic information, the vehicle dynamic information including vehicle positions and vehicle speeds; clustering vehicles based on the vehicle dynamic information; calculating, based on the vehicle dynamic information, a link reliability and a link stability of the vehicles in a cluster; calculating, based on the link reliability and the link stability, a selection priority index for a cluster head; and selecting a vehicle with a largest selection priority index in the cluster as a cluster head.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Inventors: Dengyin ZHANG, Min ZHANG, Fei DING, Yongjun LI, Nianqi ZHANG
  • Publication number: 20210037361
    Abstract: Disclosed in the invention is an emergency message transmission method based on D2D communication in IoV. Firstly, priority indexes are established for a set of vehicles within a safety range of a certain vehicle, and D2D connection pairs are established in ascending order of the priority indexes to transmit messages; and then, distance prediction is performed on the set of vehicles outside the safety range, priority indexes are established according to predicted distances, and D2D connection pairs are established in ascending order of the priority indexes to transmit messages. If same priority indexes appear, vehicles on the same lane are selected first. The invention implements timely transmission of safety warning information on basis of D2D communication, and performs safety warning, thereby solving the technical problem of inability to transmit safety information in time, and improving transmission performance of traffic messages. Therefore, the invention has high reliability and real-time properties.
    Type: Application
    Filed: June 20, 2019
    Publication date: February 4, 2021
    Inventors: Dengyin Zhang, Min Zhang, Fei Ding, Nianqi Zhang, Lufeng Yuan
  • Publication number: 20200216511
    Abstract: Methods are disclosed for producing highly purified recombinant human insulin (RHI) having a purity of 99.0% (w/w) or greater, a Total Impurity (not including the related substance desamido AsnA21-RHI, as specified by USP) of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less. Also disclosed are API compositions of highly purified RHI having a purity of 99.0% (w/w) or greater, a Total Impurity of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less.
    Type: Application
    Filed: September 25, 2019
    Publication date: July 9, 2020
    Inventors: Jie Fei Ding, Aili Bo, Jack Yongfeng Zhang, Mary Zi-ping Luo, Zhongli Bao
  • Patent number: D964614
    Type: Grant
    Filed: March 28, 2021
    Date of Patent: September 20, 2022
    Inventor: Fei Ding