Patents by Inventor Zhigang Liu
Zhigang 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).
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Patent number: 11955524Abstract: The present application discloses a semi-floating gate device. A floating gate structure covers a selected area of a first well region and is used to form a conductive channel. The floating gate structure further covers a surface of a lightly doped drain region, and a floating gate material layer and the lightly doped drain region contact at a dielectric layer window to form a PN structure. A source region is self-aligned with a first side surface of the floating gate structure. A first control gate is superposed on a top of the floating gate structure. A second control gate is disposed on a surface of the lightly doped drain region between the drain region and a second side surface of the floating gate structure. The first control gate and the second control gate are isolated by an inter-gate dielectric layer.Type: GrantFiled: May 31, 2022Date of Patent: April 9, 2024Assignee: Shanghai Huali Integrated Circuit CorporationInventors: Heng Liu, Jianghua Leng, Zhigang Yang, Tianpeng Guan
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Patent number: 11952291Abstract: Disclosed is a device for efficiently recycling nickel from wastewater and a method. The device includes a housing, and an extraction unit and an electro-deposition unit which are respectively arranged inside the housing. The device is reasonable in overall structural design. An oscillating and floating component and a rotating component in an extraction cavity are used to fully and uniformly mix a solution to maximize the extraction strength. A mixing component in an electro-deposition cavity is used to accelerate ion dispersion, to better recycle nickel. The device is easy to operate, low in cost and suitable for mass promotion.Type: GrantFiled: March 30, 2023Date of Patent: April 9, 2024Assignee: Chongqing University Of Arts And SciencesInventors: Wei Guan, Wen Zeng, Zhongwen Ou, Dan Song, Subo Yang, Yong Zhang, Bitao Liu, Zhigang Xie
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Publication number: 20240096989Abstract: The present application discloses an MV device, wherein a first gate structure of the MV device is formed by stacking a first gate dielectric layer and a first gate conductive material layer. The first gate dielectric layer is divided into a body gate dielectric layer and an edge gate dielectric layer. The body gate dielectric layer is located in a middle region, and the edge gate dielectric layer surrounds the periphery of the body gate dielectric layer. A channel region is located in a surface of the semiconductor substrate between the lightly doped drain regions on the two sides of the first gate structure. In a channel length direction, the top of the channel region is covered by the body gate dielectric layer. The present application also discloses a method for manufacturing the MV device.Type: ApplicationFiled: July 28, 2023Publication date: March 21, 2024Inventors: Qiwei WANG, Tao LIU, Zhigang ZHANG, Yaoyu ZHAN, Haoyu CHEN
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Publication number: 20240085774Abstract: Provided include a beam modulation apparatus for modulating an input light field and a projection system containing the apparatus. The input light field has a first light field and a second light field, having a difference of 90° in their polarization states. The apparatus includes a PBS prism, a first LCOS panel and a second LCOS panel. The first and the second LCOS panel are respectively over a side surface of the PBS prism opposing to an optical incident surface and an optical exit surface. Each LCOS panel comprises a plurality of pixels over a reflective surface thereof, with each pixel controllably switched on or off such that a polarity state of a light beam reflected by a portion of the reflective surface corresponding thereto is changed or remains unchanged. This beam modulation apparatus can be applied in a projection system, such as a laser TV projection system.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: BEIJING ASU TECH CO. LTD.Inventors: Jinwang ZHANG, Teng CAO, Wei-chih LIN, Xianlu WANG, Zhigang LIU
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Publication number: 20240067782Abstract: An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: Yue Shi, Bi Jia, Jinliang Shi, Zhigang Zou, Yong Zhou, Yongjiang Di, Yin Liu, Huichao He, Rong Wang, Xueyi Wang, Hao Tian, Jun Zhu, Rui Tang, Xingyu Chen, Danxia Zhang
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Patent number: 11913651Abstract: A heat exchanger includes a fin set formed by a plurality of fins stacked together and a refrigerant pipe set passing through the fin set. The fin set includes a connection member, and a first fin member and a second fin member connected to each other via the connection member. An included angle between the first fin member and the second fin member is larger than zero. The first fin member and the second fin member are arranged at two sides, respectively, of a notch of the fin set. The notch is located at an air input side and/or an air output side of the connection member.Type: GrantFiled: January 19, 2020Date of Patent: February 27, 2024Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.Inventors: Hui Yu, Zhigang Xing, Zhisheng Lei, Kangwen Zhang, Yu Liu, Wenjun Shen, Yuhang Tang, Yuanshun Huang
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Patent number: 11897960Abstract: Disclosed in the present application are an antibody or an antigen-binding portion thereof binding to human IL-4R, a polynucleotide encoding the antibody or antigen-binding portion thereof, a vector comprising the polynucleotide, a host cell comprising the polynucleotide or vector, a method for preparing and purifying the antibody, and the use of the antibody or antigen-binding portion thereof.Type: GrantFiled: August 13, 2018Date of Patent: February 13, 2024Assignees: Beijing Wisdomab Biotechnology Co., Ltd, Genrix (Shanghai) Biopharmaceutical Co. Ltd., Chongqing Genrix Biopharmaceutical Co., Ltd.Inventors: Zhigang Liu, Yulan Liu, Xiaobo Hao, Lei Jiang, Jingjing Guo
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Patent number: 11888282Abstract: A laser driving device and a method for enabling a uniform light field, wherein the laser driving device is a high-power laser driving device that enables a uniform light field on the basis of a narrow-band low-spatial-coherence light and is provided for laser fusion. The narrow-band low-spatial-coherence light is configured as a seed of the laser driving device, an amplification and transmission unit amplifies the seed, a frequency conversion unit converts a frequency of the laser, and a focusing component is configured for laser focusing and uniform illumination.Type: GrantFiled: April 2, 2021Date of Patent: January 30, 2024Assignee: Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of SciencesInventors: Jianqiang Zhu, Xiaoqi Zhang, Gengxiu Tang, Hua Tao, Zhigang Liu
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Patent number: 11860526Abstract: Provided include a beam modulation apparatus for modulating an input light field and a projection system containing the apparatus. The input light field has a first light field and a second light field, having a difference of 90° in their polarization states. The apparatus includes a PBS prism, a first LCOS panel and a second LCOS panel. The first and the second LCOS panel are respectively over a side surface of the PBS prism opposing to an optical incident surface and an optical exit surface. Each LCOS panel comprises a plurality of pixels over a reflective surface thereof, with each pixel controllably switched on or off such that a polarity state of a light beam reflected by a portion of the reflective surface corresponding thereto is changed or remains unchanged. This beam modulation apparatus can be applied in a projection system, such as a laser TV projection system.Type: GrantFiled: June 5, 2020Date of Patent: January 2, 2024Assignee: BEIJING ASU TECH CO. LTD.Inventors: Jinwang Zhang, Teng Cao, Wei-Chih Lin, Xianlu Wang, Zhigang Liu
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Patent number: 11859686Abstract: The present disclosure is an electromagnetic force control method of a magnetic disk type negative stiffness electromagnetic actuator. The present disclosure relates to the technical field of vibration control. According to the actually required static bearing capacity, the present disclosure determines the positive stiffness k of a mechanical spring required for a magnetic disk type quasi-zero stiffness vibration isolator; and establishes an electromagnetic force mathematical model of a single electromagnet under a condition of magnetic unsaturation.Type: GrantFiled: April 21, 2021Date of Patent: January 2, 2024Assignee: HARBIN ENGINEERING UNIVERSITYInventors: Guoyong Jin, Junjie Yuan, Tiangui Ye, Zhigang Liu
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Patent number: 11773155Abstract: The present application provides a bispecific antibody against rabies virus, and an application thereof. The bispecific antibody comprises two antigen-binding fragments binding to different epitopes of G protein of rabies virus, and has rabies virus neutralization activity.Type: GrantFiled: August 1, 2019Date of Patent: October 3, 2023Assignees: Beijing Wisdomab Biotechnology Co., ltd, GENRIX (Shanghai) Biopharmaceutical Co., Ltd., Chongqing GENRIX Biopharmaceutical Co., Ltd.Inventors: Zhigang Liu, Xiaobo Hao, Yulan Liu, Jingjing Guo
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Publication number: 20230271814Abstract: A main winch system of a rotary drilling rig includes a main action loop, a pilot control loop, and a feedback control loop. The main action loop includes an engine, a hydraulic pump, a main control valve, a balance valve, a main winch motor, and an oil tank. The pilot control loop includes a pilot handle, a solenoid valve I, a pressure relay, and the main control valve in the main action loop. The feedback control loop includes a solenoid valve II and the hydraulic pump and the main control valve in the main action loop. In response to a lifting action of the pilot handle for the main winch, under the control of a button, the solenoid valve II is energized continuously, and the solenoid valve I is energized and de-energized according to a given rule.Type: ApplicationFiled: December 3, 2020Publication date: August 31, 2023Applicant: XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD.Inventors: Yonghua ZHANG, Yu SUN, Zhigang LIU, Changmeng SHAN, Hongchen QIU, Xiafang GAO, Xing GAO, Junyun SHAN, Qianbin GENG
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Patent number: 11724949Abstract: Disclosed are a baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and a baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests thereof. The wastewater with low carbon-nitrogen ratio first enters anaerobic chamber I, then enters anaerobic chamber II and chamber III to complete anaerobic decarbonization and denitrification. The chambers are provided with modified basalt fiber carrier media to enrich a large number of functional microorganisms, and improve the device in terms of anaerobic treatment efficiency. Fermentation liquid in chamber III then flows back to aerobic chamber IV to complete the nitrification process. Nitrified liquid enters chamber I and mixes with influent for further treatment, and effluent is finally discharged from chamber III. The clapboard and basalt fiber felt in chamber IV can retain and enrich autotrophic/heterotrophic nitrifying bacteria.Type: GrantFiled: November 17, 2022Date of Patent: August 15, 2023Assignee: JIANGSU UNIVERSITYInventors: Zhiren Wu, Xiangtong Zhou, Haipeng Xi, Chengye Liu, Zhigang Liu, Suying Jiang, Hongjun Dong, Zhishui Liang
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Publication number: 20230212287Abstract: A bispecific antibody, which comprises an antigen-binding portion against human CD3E and/or an antigen-binding portion against human BCMA. Additionally, provided are medical and biological uses of the bispecific antibody.Type: ApplicationFiled: August 27, 2019Publication date: July 6, 2023Inventors: Zhigang Liu, Shunar Wan, Yulan Liu, Xiaobe HAO, Junjie Hu, Jingjing Guo
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Patent number: 11662002Abstract: A two-degree-of-freedom decoupled transmission apparatus for a spatial adhesion pawl mainly includes a tangential loading transmission mechanism and a normal de-adhesion transmission mechanism. The tangential loading transmission mechanism adopts a bevel gear pair, such that the tangential loading transmission mechanism is arranged in a bending manner, and a tangential loading motor of the tangential loading transmission mechanism is collected inside the apparatus. The tangential loading motor is connected to a cam pull plate through the bevel gear pair, a worm gear reducer and a key, and drive the cam pull plate to rotate around a central shaft of an adhesion apparatus. Six transmission bolts on six adhesion units are respectively driven through six cam grooves on the cam pull plate to simultaneously perform centripetal driving on the adhesion units with a further increased force, so as to realize tangential and centripetal loading of the adhesion units.Type: GrantFiled: February 14, 2020Date of Patent: May 30, 2023Assignee: SHANGHAI AEROSPACE CONTROL TECHNOLOGY INSTITUTEInventors: Jun Sun, Jinhai Wang, Xiaolong Zhang, Ting Song, Zhigang Liu
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Patent number: 11626900Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.Type: GrantFiled: June 23, 2021Date of Patent: April 11, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Zhigang Liu, Shanqing Zeng, Shutian Yuan
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Patent number: 11624419Abstract: The disclosure provides a magnetic suspension type quasi-zero stiffness electromagnetic vibration isolator with active negative stiffness. The disclosure relates to the technical field of vibration control. The disclosure can selectively realize passive negative stiffness and active negative stiffness by adjusting the control mode of a controller. By adopting an amplifying mechanism and DIESOLE type electromagnets, the bearing capacity of the vibration isolator is further increased, and the disclosure is suitable for the field of ultra-low frequency heavy load vibration reduction and isolation. The displacement state of a negative stiffness mechanism can be measured in real time according to a sensor, and by means of cooperation of the controller and a driver, active negative stiffness is realized, real-time linear negative stiffness is realized, the multi-stable phenomenon is avoided, and complex dynamic phenomena such as jumping during working of the vibration isolator are prevented.Type: GrantFiled: April 22, 2021Date of Patent: April 11, 2023Assignee: HARBIN ENGINEERING UNIVERSITYInventors: Guoyong Jin, Junjie Yuan, Tiangui Ye, Zhigang Liu
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Publication number: 20230078272Abstract: Disclosed are a baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and a baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests thereof. The wastewater with low carbon-nitrogen ratio first enters anaerobic chamber I, then enters anaerobic chamber II and chamber III to complete anaerobic decarbonization and denitrification. The chambers are provided with modified basalt fiber carrier media to enrich a large number of functional microorganisms, and improve the device in terms of anaerobic treatment efficiency. Fermentation liquid in chamber III then flows back to aerobic chamber IV to complete the nitrification process. Nitrified liquid enters chamber I and mixes with influent for further treatment, and effluent is finally discharged from chamber III. The clapboard and basalt fiber felt in chamber IV can retain and enrich autotrophic/heterotrophic nitrifying bacteria.Type: ApplicationFiled: November 17, 2022Publication date: March 16, 2023Inventors: Zhiren WU, Xiangtong ZHOU, Haipeng XI, Chengye LIU, Zhigang LIU, Suying JIANG, Hongjun DONG, Zhishui LIANG
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Publication number: 20230071422Abstract: Provided is a bispecific antibody comprising an antigen-binding portion for human CD3E and/or an antigen-binding portion for human CD123. Further provided are the medical and biological uses of the bispecific antibody.Type: ApplicationFiled: March 30, 2020Publication date: March 9, 2023Inventors: Zhigang Liu, Xiaobo HAO, Xueping ZHANG, Yulan LIU, Jingjing GUO
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Patent number: 11585033Abstract: A track mechanism and a front-loading washing machine are provided. The track mechanism includes a base, the base is provided with a track portion configured to guide a movable body to move along the track portion, the base includes a supporting body and a track body, the track portion is arranged on the track body, the supporting body and the track body are stacked and combined relative to each other, and wear resistance of the track body is higher than that of the supporting body.Type: GrantFiled: September 20, 2019Date of Patent: February 21, 2023Assignee: WUXI LITTLE SWAN ELECTRIC CO., LTD.Inventors: Shuai Tong, Hucheng He, Changxing Zhao, Zhigang Liu, Lufu Tan, Tao Jiang, Xin Yu, Yusheng Tang