Patents by Inventor Qingping Chen

Qingping Chen 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: 20240151661
    Abstract: A radiographic inspection apparatus and a vehicle-mounted security inspection system. The radiographic inspection apparatus includes a scanning device, where the scanning device includes: an upright framework; a slip ring rotatably provided on the upright framework; and a locking mechanism. The locking mechanism includes: a driving mechanism provided on the upright framework; and a contact portion provided on the driving mechanism to come into contact with an outer ring of the slip ring under a driving of the driving mechanism, so as to prevent the slip ring from rotating relative to the upright framework.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 9, 2024
    Inventors: Li ZHANG, Zhiqiang CHEN, Qingping HUANG, Mingzhi HONG, Yi CHENG, Minghua QIU, Yao ZHANG, Jianxue YANG, Lei ZHENG
  • Publication number: 20240142658
    Abstract: An inspection system, including: at least one ray source rotatable between at least two scanning positions around a rotation axis, and a rotation angle of at least one ray source between two adjacent scanning positions is greater than an angle of adjacent target spots of each ray source relative to the rotation axis; a detector assembly, and a conveying device configured to carry an object to be inspected. At least one ray source and the detector assembly are movable in a traveling direction relative to the conveying device, so that the object to be inspected may enter an inspection region. When at least one ray source is located at one scanning positions, at least one ray source and the detector assembly move in the traveling direction relative to the conveying device and at least one ray source emits X-rays; after moving a predetermined distance, at least one ray source rotates around the rotation axis to another scanning position.
    Type: Application
    Filed: July 6, 2022
    Publication date: May 2, 2024
    Inventors: Zhiqiang CHEN, Li ZHANG, Qingping HUANG, Yong ZHOU, Hui DING, Xin JIN, Chao JI
  • Publication number: 20240104884
    Abstract: A method of acquiring feature information of a detected object is provided, including: controlling the detected object to pass through a detection apparatus; controlling an imaging system to perform radiation scanning on the detected object acquiring a radiation scanning image of the detected object acquiring feature information of the detected object through the radiation scanning image. The detected object includes a first part, a detection part and a second part sequentially in a first direction. The acquiring feature information of the detected object through the radiation scanning image includes: acquiring a first boundary line between the detection part and the first part and a second boundary line between the detection part and the second part through the radiation scanning image; and calculating a dimension between the first boundary line and the second boundary line in the first direction to acquire a dimension of the detection part in the first direction.
    Type: Application
    Filed: October 8, 2022
    Publication date: March 28, 2024
    Inventors: Li ZHANG, Zhiqiang CHEN, Ming CHANG, Xin JIN, Qingping HUANG, Xiaofei XU, Mingzhi HONG, Liguo ZHANG
  • Publication number: 20240103196
    Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has a first opening connecting to an outside; a transfer mechanism applicable to carry the object and move through the inspection space; a shielding curtain mounted at the first opening; and a driving mechanism. The driving mechanism includes: a driver mounted on the support frame; and a joint portion, where an upper end of the shielding curtain is connected to the joint portion. The driver is configured to synchronously drive two ends of the joint portion, so that the shielding curtain moves up and down with the joint portion to open or close the first opening.
    Type: Application
    Filed: January 18, 2022
    Publication date: March 28, 2024
    Inventors: Zhiqiang CHEN, Li ZHANG, Yi CHENG, Qingping HUANG, Mingzhi HONG, Minghua QIU, Yao ZHANG, Jianxue YANG, Lei ZHENG
  • Publication number: 20240092584
    Abstract: A conveying device (100) and an inspection system (1000) are provided. The conveying device includes: a first support frame (1); a first conveying mechanism (2) and a second conveying mechanism (3) which are installed on the first support frame; and a switching mechanism (4) configured to selectively lift the first conveying mechanism or the second conveying mechanism in a vertical direction, such that the first conveying mechanism or the second conveying mechanism carries goods (401) and conveys the goods in a first horizontal direction or a second horizontal direction different from the first horizontal direction. The conveying device may achieve a positioning and a smooth continuous conveying of goods, and achieve a smooth conveying and a calibrated positioning of the goods in different postures.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 21, 2024
    Inventors: Li ZHANG, Zhiqiang CHEN, Yuanjing LI, Qingping HUANG, Weijun GUO, Liming YAO, Hui DING, Junhao LIU, Jiajia ZHOU
  • Patent number: 11925183
    Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: March 12, 2024
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Zhiqiang Chen, Li Zhang, Qingping Huang, Yong Zhou, Hui Ding, Chao Ji
  • Publication number: 20230407238
    Abstract: The present application provides a use of a hyaluronic acid or a salt thereof and/or trehalose in stabilizing ergothioneine, an additive for stabilizing ergothioneine, the additive containing the hyaluronic acid or the salt thereof and/or trehalose, and a composition, the composition containing ergothioneine, the hyaluronic acid or the salt thereof, and trehalose. Compared with other auxiliary materials, the hyaluronic acid or the salt thereof and trehalose provided by the present invention can obviously mitigate the damage of a high temperature to ergothioneine, thereby increasing the yield of an ergothioneine powder product. The composition obtained by the present invention has good antioxidant and anti-apoptotic effects.
    Type: Application
    Filed: November 9, 2021
    Publication date: December 21, 2023
    Applicants: BLOOMAGE BIOTECHNOLOGY CORPORATION LIMITED, BLOOMAGE BIOTECH (TIANJIN) CO., LTD.
    Inventors: Yujie WEI, Zhen LU, Qingping CHEN, Jie LI, Yuanjun SUN, Wenjuan XIE, Ranran DU, Wenyi GUO, Xueping GUO
  • Patent number: 11676770
    Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 ?FV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 13, 2023
    Assignee: KEMET Electronics Corporation
    Inventors: Yaru Shi, Antony P. Chacko, Ajaykumar Bunha, Qingping Chen, Elisabeth Crittendon Key
  • Patent number: 11482382
    Abstract: The invention is related to an improved capacitor and an improved process for forming a capacitor. The process comprises forming an anode comprising a dielectric on the anode. A cathode layer is then formed on the dielectric wherein the cathode layer comprises a self-doped conductive polymer and a cross-linker wherein a weight ratio of crosslinker to self-doped conductive polymer is at least 0.01 to no more than 2.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: October 25, 2022
    Assignee: KEMET Electronics Corporation
    Inventors: Yaru Shi, Antony P. Chacko, Chenyi Gu, Ajaykumar Bunha, Qingping Chen
  • Patent number: 11396594
    Abstract: An improved formulation of conductive polymer is provided. The formulation comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented the ratio of Formula A: AxByCz??Formula A wherein: A is polystyrenesulfonic acid or salt of polystyrenesulfonate; B and C separately represent polymerized units substituted by a group selected from: —C(O)OR6 wherein R6 is selected from the group consisting of: —(CHR17)b—R18. All other groups are defined. The conductive polymer has an average particle size of at least 1 nm to no more than 10 microns.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: July 26, 2022
    Assignee: KEMET Electronics Corporation
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Yaru Shi, Qingping Chen, Philip M. Lessner
  • Publication number: 20220148816
    Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 ?FV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.
    Type: Application
    Filed: June 24, 2021
    Publication date: May 12, 2022
    Inventors: Yaru Shi, Antony P. Chacko, Ajaykumar Bunha, Qingping Chen, Elisabeth Crittendon Key
  • Patent number: 11177076
    Abstract: A capacitor comprising an anode foil; and a conductive polymer layer on the anode foil. The conductive polymer layer comprises first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and the polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns. The second particles have an average particle diameter of at least 1 nm to no more than 600 nm.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: November 16, 2021
    Assignee: KEMET Electronics Corporation
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Qingping Chen, Yaru Shi, Philip M. Lessner
  • Patent number: 11101077
    Abstract: A dispersion comprising first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: August 24, 2021
    Assignee: KEMET Electronics Corporation
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Yaru Shi, Qingping Chen, Philip M. Lessner
  • Patent number: 11081290
    Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 ?FV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: August 3, 2021
    Assignee: KEMET Electronics Corporation
    Inventors: Yaru Shi, Antony P. Chacko, Ajaykumar Bunha, Qingping Chen, Elisabeth Crittendon Key
  • Publication number: 20210198469
    Abstract: An improved slurry of conductive polymer is provided. The slurry comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented the ratio of Formula A: AxByCz?? Formula A wherein: A is polystyrenesulfonic acid or salt of polystyrenesulfonate; B and C separately represent polymerized units substituted by a group selected from: —C(O)OR6 wherein R6 is selected from the group consisting of: —(CHR17)b—R18. All other groups are defined. The conductive polymer has an average particle size of at least 1 nm to no more than 10 microns.
    Type: Application
    Filed: February 4, 2021
    Publication date: July 1, 2021
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Yaru Shi, Qingping Chen, Philip M. Lessner
  • Patent number: 10947376
    Abstract: A capacitor and a method of making a capacitor, is provided with improved reliability performance. The capacitor comprises an anode; a dielectric on the anode; and a cathode on the dielectric wherein the cathode comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented by Formula AxByCz as described herein.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: March 16, 2021
    Assignee: KEMET Electronics Corporation
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Yaru Shi, Qingping Chen, Philip M. Lessner
  • Patent number: 10943742
    Abstract: A capacitor, and process for forming a capacitor, is described wherein the capacitor comprises a conductive polymer layer. The conductive polymer comprises first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: March 9, 2021
    Assignee: KEMET Electronics Corporation
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Yaru Shi, Qingping Chen, Philip M. Lessner
  • Publication number: 20210005396
    Abstract: An improved capacitor is provided wherein the capacitor comprising an anode foil; and a conductive polymer layer on the anode foil. The conductive polymer layer comprises first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and the polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns. The second particles have an average particle diameter of at least 1 nm to no more than 600 nm.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Inventors: Ajaykumar Bunha, Antony P. Chacko, Qingping Chen, Yaru Shi, Philip M. Lessner
  • Patent number: 10879010
    Abstract: Provided is an improved capacitor formed by a process comprising: providing an anode comprising a dielectric thereon wherein the anode comprises a sintered powder wherein the powder has a powder charge of at least 45,000 ?FV/g; and forming a first conductive polymer layer encasing at least a portion of the dielectric by applying a first slurry wherein the first slurry comprises a polyanion and a conductive polymer and wherein the polyanion and conductive polymer are in a weight ratio of greater than 3 wherein the conductive polymer and polyanion forms conductive particles with an average particle size of no more than 20 nm.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: December 29, 2020
    Assignee: KEMET Electronics Corporation
    Inventors: Yaru Shi, Antony P. Chacko, Ajaykumar Bunha, Qingping Chen, Elisabeth Crittendon Key
  • Publication number: 20200373089
    Abstract: The invention is related to an improved capacitor and an improved process for forming a capacitor. The process comprises forming an anode comprising a dielectric on the anode. A cathode layer is then formed on the dielectric wherein the cathode layer comprises a self-doped conductive polymer and a cross-linker wherein a weight ratio of crosslinker to self-doped conductive polymer is at least 0.01 to no more than 2.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Inventors: Yaru Shi, Antony P. Chacko, Chenyi Gu, Ajaykumar Bunha, Qingping Chen