Patents by Inventor Changqing Li
Changqing Li 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).
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Patent number: 11973858Abstract: Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.Type: GrantFiled: March 12, 2021Date of Patent: April 30, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Maocai Li, Hu Lan, Zongyou Wang, Kaiban Zhou, Haitao Tu, Jinsong Zhang, Yifang Shi, Changqing Yang, Li Kong, Gengliang Zhu, Yong Ding, Qucheng Liu, Qiuping Chen, Peng Wang
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Patent number: 11969370Abstract: Provided is a medical device implantation apparatus, comprising: an outer sheath, connected to a first portion of a handle and extending from a proximal end to a distal end; a middle sheath, the middle sheath being arranged in the outer sheath, and the middle sheath being connected to a second portion of the handle; an inner sheath, the inner sheath being allowed to pass through the middle sheath, the inner sheath being connected to a third portion of the handle, and the inner sheath being movable relative to the outer sheath; outer casings, with at least two outer casings being provided, and a distal end of the inner sheath being respectively fixedly connected to the outer casings; and a medical device, arranged around the inner sheath and partially accommodated in the outer casings.Type: GrantFiled: August 23, 2019Date of Patent: April 30, 2024Assignee: Micro-Tech (Nanjing) Co., Ltd.Inventors: Yuqian Li, Huan Liu, Derong Leng, Yongxue Zhao, Changqing Li, Chunjun Liu
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Patent number: 11968294Abstract: This application provide a data management method for a blockchain system, a medium, and an electronic device. The system includes an accounting node sub-network and a service node sub-network. The method includes: adding, after an accounting node generates a first data block, first key information used for verifying a block header of a second data block generated after the first data block to a block header of the first data block; generating a signature corresponding to the first data block, and adding the signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network, to cause a service node to verify the signature included in the block header of the first data block, and obtaining the first key information after a successful verification to verify the block header of the second data block.Type: GrantFiled: January 13, 2021Date of Patent: April 23, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Maocai Li, Zongyou Wang, Li Kong, Kaiban Zhou, Hu Lan, Yifang Shi, Changqing Yang, Jinsong Zhang, Yong Ding, Gengliang Zhu, Qucheng Liu, Qiuping Chen
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Patent number: 11938041Abstract: The present disclosure relates to the technical field of medical instrument and provides a passage establishment device for posterior spinal fusion minimally invasive surgery. The device includes: a tube, an interior of the tube includes a through hole penetrating through both axial ends of the tube, and a wall of the tube includes an opening portion. The tube of the passage establishment device of the present disclosure can be inserted between the vertebral bodies and can also be removed from between the vertebral bodies. The through hole of the tube forms a surgical passage for the fusion device to penetrate, which can safely protect human tissues and is convenient for doctors to perform follow-up operations. The tube can be installed quickly, and thus the operation time is shortened. It is easy to disassemble, clean, and disinfect the tube.Type: GrantFiled: June 26, 2019Date of Patent: March 26, 2024Assignee: SHANGHAI SANYOU MEDICAL CO., LTD.Inventors: Yue Zhou, Changqing Li, Mingyan Michael Liu, Xing Liu
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Publication number: 20240087628Abstract: A multi-resistance-state spintronic device, including: a top electrode and a bottom electrode respectively connected to a read-write circuit; and a magnetic tunnel junction between two electrodes. The magnetic tunnel junction includes from top to bottom: a ferromagnetic reference layer, a barrier tunneling layer, a ferromagnetic free layer, and a spin-orbit coupling layer. Nucleation centers are provided at two ends of the ferromagnetic free layer to generate a magnetic domain wall; the spin-orbit coupling layer is connected to the bottom electrode, and when a write pulse is applied, an electron spin current is generated and drives the magnetic domain wall through a spin-orbit torque to move; a plurality of local magnetic domain wall pinning centers are provided at an interface between the spin-orbit coupling layer and the ferromagnetic free layer to enhance a strength of a DM interaction constant between interfaces.Type: ApplicationFiled: December 30, 2020Publication date: March 14, 2024Inventors: Guozhong XING, Huai LIN, Feng ZHANG, Di WANG, Long LIU, Changqing XIE, Ling LI, Ming LIU
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Patent number: 11919896Abstract: Disclosed are a [1,2,4]triazolo[1,5-a]pyridine compound as JAK inhibitor and an application thereof in preparing a drug for treating a disease related to JAK1 or/and TYK2. Specifically, the present invention relates to a compound represented by formula (I), or an isomer or pharmaceutically acceptable salt thereof.Type: GrantFiled: August 23, 2019Date of Patent: March 5, 2024Assignee: ZHUHAI UNITED LABORATORIES CO., LTD.Inventors: Weiwei Mao, Wenyuan Qian, Xuejian Zheng, Guoping Hu, Changqing Wei, Jian Li, Shuhui Chen
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Publication number: 20240071451Abstract: The three-state spintronic device includes: a bottom electrode, a magnetic tunnel junction and a top electrode from bottom to top. The magnetic tunnel junction includes: a spin-orbit coupling layer, a ferromagnetic free layer, a barrier tunneling layer, a ferromagnetic reference layer, three local magnetic domain wall pinning centers and domain wall nucleation centers. An antisymmetric exchange interaction is modulated, and the magnetic domain wall pinning centers are embedded in an interface between a heavy metal and the ferromagnetic free layer. The magnetic domain wall nucleation centers are at two ends of the ferromagnetic free layer. A current pulse flows through the spin-orbit coupling layer to generate a spin current and the spin current is injected into the ferromagnetic free layer. Under a control of all-electrical controlled, an effective field of a spin-orbit torque drives domain wall to move and displace.Type: ApplicationFiled: January 21, 2021Publication date: February 29, 2024Inventors: Huai LIN, Guozhong XING, Zuheng WU, Long LIU, Di WANG, Cheng LU, Peiwen ZHANG, Changqing XIE, Ling LI, Ming LIU
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Publication number: 20240059605Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.Type: ApplicationFiled: April 24, 2022Publication date: February 22, 2024Applicant: CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP CO., LTDInventors: Shou PENG, Chong ZHANG, Weiwei WANG, Changqing LI, Jinwei LI, Xiaofei YANG, Gang ZHOU, Zhenkun KE, Xin CAO, Chuanli SHAN, Jia NI, Jiedong CUI, Fengyang ZHAO, Zhaojin ZHONG, Pingping WANG, Qiang GAO, Na HAN, Lifen SHI, Yong YANG
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Publication number: 20240011262Abstract: A faucet assembly comprising a handle coupled to a cartridge stem; and an upper body portion coupled to a lower body portion, wherein the lower body portion comprises an integral waterway. A faucet assembly may comprise a single integrated handle having no set screw. A faucet assembly upper body portion may be coupled to a lower body portion with a set screw at or through an underside of the lower body portion.Type: ApplicationFiled: July 10, 2023Publication date: January 11, 2024Applicant: AS America, Inc.Inventors: Zheng XiaoPing, Xiaojing Ye, Changqing Li
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Patent number: 11864721Abstract: An endoscope end cap, including a sleeve member, protrusion elements, and a movable sleeve. The sleeve member is connected to the front end of an endoscope, the sleeve member, the protrusion elements, and the movable sleeve are connected in sequence, and the movable sleeve can move freely on the outer surface of the endoscope. When the endoscope is inserted for examination, the end cap is easy to enter and does not scratch the digestive tract since the end cap has a cylinder-like structure which is smooth and has no angularity; when the endoscope is being withdrawn, the movable sleeve moves distally and abuts against the sleeve member, so as to support the protrusion elements to enable the protrusion elements to dilate the inner wall of the intestine, improving the quality of single endoscope examination, and reducing discomfort of a patient, operation risk, and operation time.Type: GrantFiled: April 12, 2018Date of Patent: January 9, 2024Assignees: Micro-Tech (Nanjing) Co., Ltd., Beijing Friendship Hospital, Capital Medical UniversityInventors: Shutian Zhang, Ming Ji, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng, Changqing Li, Zhenghua Shen, Chunjun Liu
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Publication number: 20230285166Abstract: The present disclosure relates to the technical field of medical instrument and provides a passage establishment device for posterior spinal fusion minimally invasive surgery. The device includes: a tube, an interior of the tube includes a through hole penetrating through both axial ends of the tube, and a wall of the tube includes an opening portion. The tube of the passage establishment device of the present disclosure can be inserted between the vertebral bodies and can also be removed from between the vertebral bodies. The through hole of the tube forms a surgical passage for the fusion device to penetrate, which can safely protect human tissues and is convenient for doctors to perform follow-up operations. The tube can be installed quickly, and thus the operation time is shortened. It is easy to disassemble, clean, and disinfect the tube.Type: ApplicationFiled: June 26, 2019Publication date: September 14, 2023Applicant: SHANGHAI SANYOU MEDICAL CO., LTD.Inventors: Yue ZHOU, Changqing LI, Mingyan Michael LIU, Xing LIU
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Patent number: 11736567Abstract: Implementations of this disclosure provide data transmission operations and network interface controllers. An example method performed by a first RDMA network interface controller includes obtaining m data packets from a host memory of a first host; sending the m data packets to a second RDMA network interface controller of a second host; backing up the m data packets to a network interface controller memory integrated into the first RDMA network interface controller; determining that the second RDMA network interface controller does not receive n data packets of the m data packets; and in response, obtaining the n data packets from the m data packets that have been backed up to the network interface controller memory integrated into the first RDMA network interface controller, and retransmitting the n data packets to the second RDMA network interface controller.Type: GrantFiled: August 26, 2021Date of Patent: August 22, 2023Assignee: Advanced New Technologies Co., Ltd.Inventors: Changqing Li, Yinchao Zou, Peng Wu, Jincan Kong
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Patent number: 11708356Abstract: An organic electroluminescent material and a device thereof are disclosed. The organic electroluminescent material uses a compound having a novel carbazole structure, and can be used as hole blocking material, host material in an electroluminescent device. These novel compounds can provide better device performance, such as obtaining device performance of very low driving-voltage, high efficiency, and long lifetime.Type: GrantFiled: February 27, 2020Date of Patent: July 25, 2023Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.Inventors: Feng Li, Le Wang, Changqing Li, Chi Yuen Raymond Kwong, Chuanjun Xia
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Publication number: 20230158124Abstract: A drug, food and application of an anti-coronavirus infection, the drug or food containing lysozyme or a combination that comprises lysozyme; the lysozyme or a combination thereof can be used to prepare a drug for anti coronavirus infection and preventing or treating coronavirus-related diseases or symptoms, or food for assisting in anti coronavirus infection and assisting in preventing or treating coronavirus-related diseases or symptoms. The present disclosure has a good preventive and therapeutic effect on coronavirus infection or related diseases or symptoms thereof; in addition, the present application can accelerate the elimination of the virus in vivo, accelerate the speed of coronavirus nucleic acid tests in vivo turning negative, shorten the course of a patient's illness, effectively prevent and reduce the spread of coronavirus, and also has important social benefits and good application prospects.Type: ApplicationFiled: December 4, 2020Publication date: May 25, 2023Applicants: GUANGZHOU CENTURY CLINICAL RESEARCH CO., LTD, GUANGZHOU XIN-CHUANGYI BIOPHARMACEUTICAL CO., LTD, GUANGZHOU XIN CHUANG YI CO., LTD, XIANGBEI WELMAN PHARMACEUTICAL CO., LTD, NANJING KANGFUSHUN PHARMACEUTICAL CO., LTDInventors: Mingjie SUN, Tianyu SUN, Changqing LI
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Patent number: 11627796Abstract: The disclosure provides a cleaning brush configured to clean a working channel of the endoscope. The cleaning brush comprises a first joint, a second joint and a plurality of cleaning units, the plurality of cleaning units are sequentially connected, each cleaning unit comprises a cleaning portion configured to be in contact with the working channel of the endoscope, and the hardness of the cleaning portions of at least two cleaning units in the plurality of cleaning units is different. The first joint and the second joint are respectively connected with two outermost cleaning units in the plurality of cleaning units, and the first joint and the second joint are configured to be connected to make a ring-shaped cleaning brush. The cleaning brush is efficient in removing bioburden from the working channel of an endoscope.Type: GrantFiled: March 23, 2021Date of Patent: April 18, 2023Assignee: Micro-Tech (Nanjing) Co., Ltd.Inventors: Scott Haack, Jianjun Shuang, Zhenghua Shen, Changqing Li, Minghao Feng
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Publication number: 20230057353Abstract: Three-arm clamp includes: clamping assembly and releasing member connected to each other, clamping assembly includes fixed arm, and two movable arms respectively rotatably connected to fixed arm by hinge pin; the proximal end of each movable arm is provided with first sliding slot, and sliding pin is slidably arranged in first sliding slot; the proximal end of fixed arm is provided with inner cavity, and releasing member is inserted into inner cavity and connected to sliding pin; the proximal end of each movable arm is provided with elastic sheet; movable arms and fixed arm are closed by clamping, and elastic sheets are folded in inner cavity, in radial direction of fixed arm, from connecting end to free end and abut against releasing member; and releasing member is separated from movable arms, and the free end of each elastic sheet elastically abuts against inner wall of inner cavity.Type: ApplicationFiled: November 4, 2022Publication date: February 23, 2023Inventors: Qiang ZHANG, Hongyan JIN, Changqing LI, Zhenghua SHEN, Xiaojun MA, Weiqin QIU, Hao DONG
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Patent number: 11547837Abstract: A double-balloon catheter device for gastrointestinal anastomosis. The double-balloon catheter device for gastrointestinal anastomosis includes a liquid injection assembly, a double-balloon assembly, and a supporting device (15) connecting the liquid injection assembly and the double-balloon assembly. The liquid injection assembly includes a first balloon liquid injection connection port (2), a guide wire connection port (3), and a second balloon liquid injection connection port (4). The double-balloon assembly includes a double-balloon catheter device (5), and includes a first balloon (6) and a second balloon (7) that can expand-and that are respectively disposed on the two ends of the double-balloon catheter device (5). The double-balloon catheter device (5) is provided with a first balloon liquid injection channel (51), a guide wire channel (52), and a second balloon liquid injection channel (53).Type: GrantFiled: November 7, 2018Date of Patent: January 10, 2023Inventors: Xiaoping Zou, Lei Wang, Jianyu Wei, Zhenghua Shen, Jialing Sun, Changqing Li
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Publication number: 20220409194Abstract: The present application provides a ligation release device, comprising: a handle (1), an operating component (2), a suction component (3), a release component (4) and an illumination component (5), wherein the illumination component (5) is arranged in the handle (1) and comprises a light source (51), a wire (52) and a control switch (53), and the control switch (53) is connected to the light source (51) by means of the wire (52). In practical applications, the light source (51) can be turned on by operating the control switch (53), thereby illuminating a ligation area at the distal end of the handle (1), eliminating shadow influence and facilitating the implementation of ligation operation. The ligation release device can improve the ease and accuracy of surgical operation without an external auxiliary apparatus.Type: ApplicationFiled: April 30, 2020Publication date: December 29, 2022Applicant: MICRO-TECH (NANJING) CO., LTD.Inventors: Zhou Yu, Zhi Tang, Changqing Li
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Publication number: 20220347233Abstract: A combined drug contains Lachnospiraceae bacteria and human immunoglobulin (HIg). HIg has a therapeutic effect on radiation injuries, and the combination of Lachnospiraceae bacteria and HIg can further improve this therapeutic effect. The combination drug can be administered to patients who were undergoing radiotherapy and to people who accidentally receive excessive irradiation.Type: ApplicationFiled: July 11, 2022Publication date: November 3, 2022Inventors: Ming CUI, Zongkui WANG, Changqing LI, Jun XU, Lu CHENG
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Publication number: 20220346901Abstract: An apparatus for holding a medical device includes: a device sheet perpendicular to the ground; and at least one pocket layer, including a first pocket layer, where the first pocket layer is configured as a single first pocket room in its entirety and has a length enabling the medical device to be laid in the first pocket room without coiling in the presence or absence of one or more suspension elements, and the at least one pocket layer has a structure in which an edge of the at least one pocket layer facing the one or more suspension elements is open and other edges thereof are peripherally attached to the device sheet.Type: ApplicationFiled: June 16, 2021Publication date: November 3, 2022Inventors: Scott HAACK, Changqing LI, Weiqin QIU, Zhenghua SHEN, Gang ZHANG