Patents by Inventor Haifeng Liu

Haifeng Liu 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: 20200121956
    Abstract: The present disclosure discloses a radiotherapeutic device. The radiotherapeutic device includes a gantry, a detector and a slide driving unit. The slide driving unit includes a sliding guide rail, a driving apparatus and a movable block. The detector is fixed on the movable block. The movable block drives the detector to slide along the sliding guide rail driven by the driving apparatus.
    Type: Application
    Filed: November 15, 2016
    Publication date: April 23, 2020
    Inventors: Fangzheng Chen, Haifeng Liu
  • Publication number: 20200080070
    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: Application
    Filed: July 7, 2017
    Publication date: March 12, 2020
    Applicant: WUHAN KANGFUDE BIOTECHNOLOGY CO., LTD.
    Inventors: Haifeng LIU, Baoping SONG, Xianqiao CHEN, Huoqing CHEN, Pei TONG, Wei WANG, Xiaofeng WANG
  • Patent number: 10580707
    Abstract: A modulator includes a modulator body, a transparent conductive film, a power supply and a current detection assembly, the modulator body includes an internal electrode and a gold foil layer disposed opposite to each other, and a liquid crystal layer disposed between the internal electrode and the gold foil layer; the transparent conductive film is disposed on a surface of the gold foil layer away from the liquid crystal layer, and a gap is formed between the transparent conductive film and the gold foil layer; the gold foil layer and the transparent conductive film are electrically connected respectively to terminals of different polarities of the power supply, and the current detection assembly is connected in series between the gold foil layer and the power supply, or the current detection assembly is connected in series between the transparent conductive film and the power supply.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: March 3, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tao Zhang, Haifeng Liu, Guoping Qian, Hao Shang
  • Publication number: 20200067057
    Abstract: The present disclosure discloses an electric connection assembly having a support and a connector; the support comprises a support body; the support body is provided with a mounting groove and a limiting protrusion; at least part of the connector is arranged within the mounting groove; and the limiting protrusion can cooperate with the connector so as to prevent the connector from withdrawing from the mounting groove. Compared with the prior art, the electric connection assembly is simple in overall structure and convenient to assemble. In the electric connection assembly, the stability of the integral assembly of the connector and the support can be enhanced by arranging the corresponding limiting protrusions on the support.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 27, 2020
    Inventors: Litao DONG, Ziwei LI, Haifeng LIU
  • Publication number: 20200067058
    Abstract: The present application discloses an electric connection assembly having a support and a connector, wherein the support comprises a support body; the support body is provided with a mounting groove; the connector is configured to be in contact electrical connection with a mating connector; the connector comprises a mounting part; part or all of the mounting part is detachably received within the mounting groove; the support and the connector are formed separately and connected to each other. Compared with the prior art, the electric connection assembly of the present disclosure implements the function of supporting, holding and assembling integrally the corresponding connectors by means of the support provided with a mounting groove. Correspondingly, the entire structure of the electric connection assembly is simplified and convenient to be assembled.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 27, 2020
    Inventors: Litao DONG, Ziwei LI, Weiping ZHAO, Haifeng LIU
  • Publication number: 20190392335
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Inventors: JING LI, Xiang Li, Haifeng Liu, Guo Tong Xie, Yi Qin Yu, Shi Lei Zhang
  • Publication number: 20190392334
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Inventors: JING LI, XIANG LI, HAIFENG LIU, GUO TONG XIE, YI QIN YU, SHI LEI ZHANG
  • Publication number: 20190345902
    Abstract: The present invention discloses a novel low-temperature fuel reforming unit based on combined external reformer of an engine, comprising an engine cylinder and an external low-temperature fuel reformer; the external low-temperature fuel reformer is winded with a heater strip and is provided with a first temperature controlled meter, the inlet of the external low-temperature fuel reformer is connected with a air inlet pipe and a fuel sample injection pipe, and a flow meter is arranged on the air inlet pipe; the fuel sample injection pipe is connected with a fuel injection pump and a fuel vaporization tank which is provided with a second temperature controlled meter; the outlet of the external low-temperature fuel reformer is connected with the engine inlet pipe via a reforming gas pipe; and the reformed low-temperature products enter into the engine inlet pipe via the reforming gas pipe for combining with the fresh air again to form a uniform hybrid gas, and the hybrid gas is introduced into the engine cylinde
    Type: Application
    Filed: March 27, 2017
    Publication date: November 14, 2019
    Applicant: Tianjin University
    Inventors: Mingfa YAO, Yang WANG, Lixia WEI, Haifeng LIU, Hu WANG, Zunqing ZHENG
  • Publication number: 20190345341
    Abstract: Provided is an anti-dazzling UV curable coating composition comprising a high-functionality polyurethane acrylate oligomer and an active monomer. Further provided are a method for coating a substrate with the anti-dazzling UV curable coating composition and the substrate coated therewith.
    Type: Application
    Filed: December 27, 2017
    Publication date: November 14, 2019
    Applicant: PPG Coatings (Tianjin) Co., Ltd.
    Inventors: Wenfu Yang, Zhengsong Luo, Haifeng Liu
  • Patent number: 10474956
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 12, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jing Li, Xiang Li, Haifeng Liu, Guo Tong Xie, Yi Qin Yu, Shi Lei Zhang
  • Publication number: 20190336794
    Abstract: An imaging method uses a radiation source, shielding body, therapeutic head, and treatment device. The imaging method uses the radiation source is applied in the treatment device. The treatment device includes a radiation source. The imaging method comprises: the radiation source emitting a radiation beam having a first energy; primary scattering the radiation beam emitted by the radiation source to emit a radiation beam having a second energy; the radiation beam after primary scattering passing through a human body lesion, wherein the second energy is lower than the first energy; receiving the radiation beam passing through the human body lesion; and establishing a lesion image according to the received radiation beam.
    Type: Application
    Filed: June 23, 2016
    Publication date: November 7, 2019
    Inventors: Jinsheng Li, Haifeng Liu
  • Patent number: 10467539
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 5, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jing Li, Xiang Li, Haifeng Liu, Guo Tong Xie, Yi Qin Yu, Shi Lei Zhang
  • Publication number: 20190322896
    Abstract: A high-hardness anti-steel wool UV curable coating composition comprises a high-functionality UV curable polyurethane acrylate. A method of coating a substrate with the high-hardness anti-steel UV curable coating composition and the substrate coated with the same are also provided.
    Type: Application
    Filed: December 27, 2017
    Publication date: October 24, 2019
    Applicant: PPG Coatings (Tianjin) Co., Ltd.
    Inventors: Yuanjie Song, Zhengsong Luo, Haifeng Liu
  • Publication number: 20190321850
    Abstract: A multi-layer coating system comprises a first and a second ultraviolet curable coating composition. The first ultraviolet curable coating composition comprises a low hydroxyl value polyurethane resin and a urethane acrylate oligomer. The second ultraviolet curable coating composition comprises a urethane acrylate oligomer and an active monomer. A method of coating a substrate with the multi-layer coating system and the substrate coated with the multi-layer coating system are also provided.
    Type: Application
    Filed: December 27, 2017
    Publication date: October 24, 2019
    Applicant: PPG Coatings (Tianjin) Co., Ltd.
    Inventors: Yuanjie Song, Zhengsong Luo, Haifeng Liu
  • Patent number: 10452987
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: October 22, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jing Li, Xiang Li, Haifeng Liu, Guo Tong Xie, Yi Qin Yu, Shi Lei Zhang
  • Patent number: 10454080
    Abstract: A connector assembly includes a connector having a plurality of terminals configured to be mated with a control module connector associated with a battery module and a multi-wire planar cable extending from the connector along a cable axis. The multi-wire planar cable has a plurality of flat wires terminated to corresponding terminals and a common jacket for the plurality of flat wires. The flat wires have exposed terminating portions at a sensor end of the multi-wire planar cable for termination to different voltage sensors associated with corresponding buss bars. The terminating portions are staggered along the cable axis. The multi-wire planar cable is angled such that the cable axis is non-parallel to a cell stack-up direction of the battery cells with the exposed terminating portions being aligned along a terminating axis generally parallel to the cell stack-up direction.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: October 22, 2019
    Assignees: TE Connectivity Corporation, TYCO Electronics Japan G.K.
    Inventors: Weiping Zhao, Haifeng Liu
  • Publication number: 20190301045
    Abstract: A method for preparing a boron-containing low-carbon steel oxide film includes performing micro-arc oxidation on boron-containing low-carbon steel in an electrolyte by using the boron-containing low-carbon steel as an anode, to obtain a boron-containing low-carbon steel oxide film. The electrolyte contains sodium meta aluminate of 5 g/L to 25 g/L, sodium dihydrogen phosphate of 2 g/L to 10 g/L, sodium carbonate of 2 g/L to 15 g/L, and glycerol of 2 g/L to 8 g/L. The preparation method provided by the present invention has a simple and controllable process, and the obtained boron-containing low-carbon steel oxide film has a secure bond with the substrate, thus effectively avoiding occurrence of galvanic corrosion.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 3, 2019
    Inventors: Minfang Chen, Yankun Li, Chen You, Haifeng Liu
  • Patent number: 10417569
    Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: September 17, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jing Li, Xiang Li, Haifeng Liu, Guo Tong Xie, Yi Qin Yu, Shi Lei Zhang
  • Patent number: 10410570
    Abstract: The present disclosure relates to the technical field of LED display screens, and in particular, to an LED display device and a method for driving the same. The driving method includes: generating a grayscale data in accordance with an image to be displayed; generating a control signal in accordance with the grayscale data, wherein the control signal includes a plurality of subframe signals each having a duration corresponding to a respective subframe display time; and controlling the corresponding LED lamps to be turned on or off by use of the subframe signals in each subframe of the frame cycle. The frame cycle includes reset time periods separating the successive subframes from each other. The order of the plurality of subframes in the frame cycle can be adjusted by use of the grayscale data.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: September 10, 2019
    Assignee: Chipone Microelectronics Technology (Hefei) Co.
    Inventors: Yongsheng Tang, Yong Wang, Haifeng Liu, Xingbo Gao
  • Publication number: 20190273098
    Abstract: The present disclosure provides an anti-reflective substrate and a method for preparing the same, an array substrate, and a display device. The anti-reflective substrate includes a base substrate and an anti-reflective film having an optical path control structure. The anti-reflective film is disposed on the base substrate, and the optical path control structure is configured to reduce a reflection of an incident light from a side of the base substrate on which the anti-reflective film is disposed.
    Type: Application
    Filed: November 5, 2018
    Publication date: September 5, 2019
    Inventors: Donghui Zhang, Jing Li, Xiaoye Ma, Haifeng Liu