Patents by Inventor Xiaoqing Wang
Xiaoqing Wang 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: 11962987Abstract: The present disclosure relates to a magnetic circuit of a loudspeaker and a loudspeaker, which can improve the non-linearity of magnetic permeability, thereby reducing the distortion of the loudspeaker. A magnetic circuit comprises a T-yoke with a base and a columnar portion protruding upward from the base, a magnetic steel arranged on the base, and a front sheet arranged on the magnetic steel, wherein the magnetic steel and the front sheet are arranged around a periphery of the columnar portion, and a short-circuit ring is arranged on an inner side of the magnetic steel and/or the front sheet. A first short-circuit ring is provided between the inner wall of the magnetic steel and the outer wall of the columnar portion, and a second short-circuit ring is provided on the inner wall of the front sheet.Type: GrantFiled: October 10, 2019Date of Patent: April 16, 2024Assignee: Suzhou Sonavox Electronics Co., Ltd.Inventors: Yuewu Shen, Shenggang Tao, Bo Gu, Xiaoqing Wang, Guoqiang Chai
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Patent number: 11947226Abstract: An electrode for display includes at least two display electrodes arranged at intervals along first direction, each including a body electrode and an end electrode; the at least two display electrodes include first and second display electrodes, body electrodes of the first and second display electrodes being parallel in first direction with a first preset pitch; among two side edges of the end electrode of the first display electrode opposite in first direction and two side edges of the end electrode of the second display electrode opposite in first direction, at least two side edges are unparallel; a minimum distance in first direction between one side edge of the end electrode of the first display electrode close to the second display electrode and one side edge of the end electrode of the second display electrode close to the first display electrode is greater than or equal to first preset pitch.Type: GrantFiled: October 23, 2020Date of Patent: April 2, 2024Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yong Liu, Jiao Li, Xiaoqing Peng, Kaixuan Wang
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Publication number: 20240102112Abstract: Soyasaponin-related Kompetitive Allele Specific polymerase chain reaction (KASP) markers and an application thereof are provided in the present application, belonging to the technical field of molecular breeding. The KASP markers include one or two of S07_43139773G/T, and S07_43139033A/G; the S07_43139773G/T comprises a base of G/T at a position of 43139773 bp on chromosome 7 of a soybean genome, the S07_43139033A/G comprises a base of A/G at a position of 43139033 bp on the chromosome 7 of the soybean genome. The KASP markers are applied to improve soyasaponin germplasm breeding.Type: ApplicationFiled: October 4, 2023Publication date: March 28, 2024Inventors: Huatao CHEN, Hongmei ZHANG, Xiaoqing LIU, Wei ZHANG, Qiong WANG
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Patent number: 11926544Abstract: The invention discloses a biological desulfurizer for removing organic sulfur in fracturing flowback fluid and application thereof. The biological desulfurizer includes a compound with a triazine structure formed by modifying chitosan with aldehydes and inorganic salts. The triazine structure has a good removal effect on hydrogen sulfide and organic sulfur such as mercaptan and sulfide. The biological desulfurizer of the invention has a sulfur capacity of up to 250 g/kg and a desulfurization efficiency of over 95% in 15 min. It can effectively remove the stink of sulfur-containing working water, improve the working environment of the well site, and reduce the impact of sulfur compounds on the atmospheric environment during the development of oil and gas fields.Type: GrantFiled: October 16, 2023Date of Patent: March 12, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CO., LTD. OF NORTH BRANCHInventors: Xiaoqing Qiu, Xiang Wang, Guisheng Wang, Guofeng Li, Jiawei Zhang, Lei Song, Xia Wang, Qianli Xu, Puyan Hou
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Patent number: 11917769Abstract: The present application relates to the technical field of circuit board fabricating, and provides a method for fabricating an asymmetric board, the method includes fabricating a master board, fabricating a second sub-board, thermal compression bonding the master board and the second sub-board, and milling an asymmetric board; further includes at least one of the following three steps: laying copper on the connection areas of the master board except for the second copper layer of an outermost layer to obtain laying copper area, removing copper on the connection areas of the third copper layer, and after the step of milling the asymmetric board, on each of the sub-boards, performing depth control milling at the connection areas from a side of the second sub-board on each sub-board to obtain a depth control groove.Type: GrantFiled: March 4, 2021Date of Patent: February 27, 2024Assignee: SHENZHEN KINWONG ELECTRONIC CO., LTD.Inventors: Jun Wang, Xiaoqing Chen, Qian Chen
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Patent number: 11906210Abstract: A novel refrigeration and insulation bag includes a bag body and a top cover. An interior of the bag body forms a cavity, and a top end of the bag body is provided with an opening. The top cover is used for closing the opening, an interior of the top cover forms an accommodating cavity, and a refrigeration assembly or a refrigeration/heating assembly is embedded in the accommodating cavity. The refrigeration assembly or refrigeration/heating assembly includes semiconductor chilling plates, heat dissipation fans, temperature-uniforming plate, power supply component, and other components. The refrigeration assembly or refrigeration/heating assembly of the present disclosure powered by electricity is configured to refrigerate the interior of the bag, so as to create a low-temperature environment without the need to frequently replace the ice packs before use, or configured to heat up the interior of the bag, so as to keep warm of the bag.Type: GrantFiled: April 20, 2023Date of Patent: February 20, 2024Assignee: XIAMEN GODZILLA INDUSTRY & TRADE CO., LTD.Inventor: Xiaoqing Wang
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Patent number: 11901828Abstract: Related to is a bidirectional CLLC circuit with a coupled inductor, which is associated with a circuit topology and operation control of a bidirectional CLLC resonant converter. Provided is a structure of a bidirectional CLLC resonant circuit with a coupled inductor, including a primary side bridge, a secondary side bridge, a primary side resonant capacitor, a secondary side resonant capacitor, a coupled resonant inductor, and a transformer. Compared with a structure of a conventional bidirectional CLLC resonant circuit, two separate resonant inductors located at a primary side and a secondary side in an original resonant cavity are replaced with one coupled resonant inductor in the circuit; the coupled resonant inductor has opposite dotted terminals with the transformer, and a primary side and a secondary side of the coupled resonant inductor are respectively in serial connection with a primary side and a secondary side of the transformer.Type: GrantFiled: February 16, 2022Date of Patent: February 13, 2024Assignee: Zhejiang UniversityInventors: Min Chen, Ning Chen, Bodong Li, Dongbo Zhang, Xiaoqing Wang, Xinnan Sun, Zhaopei Liang
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Patent number: 11849277Abstract: A loudspeaker system, having a good low-frequency response without a large box and effectively improving the efficiency of the loudspeaker system, so as to increase the output sound pressure level of the system, comprises a box and a plurality of loudspeakers arranged in the box and connected in parallel with each other, wherein each of the loudspeakers comprises a frame, a diaphragm arranged on the frame, and a voice coil for driving a vibration of the diaphragm; front surfaces of the diaphragms of the loudspeakers are arranged to face each other; a sound cavity is formed among the front surfaces of the diaphragms, and the sound cavity is in communication with the outside of the box; and each of the frames is located between a rear surface of its corresponding diaphragm and an inner wall of the box.Type: GrantFiled: October 15, 2019Date of Patent: December 19, 2023Assignee: SUZHOU SONAVOX ELECTRONICS CO., LTD.Inventors: Yuewu Shen, Shenggang Tao, Jianfeng Tang, Xiaoqing Wang, Guoqiang Chai
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Patent number: 11826743Abstract: A halogen-containing compound represented by a formula I and a use thereof as a ligand of an ethylene oligomerization catalyst composition, an ethylene oligomerization catalyst composition comprising the halogen-containing compound, and an ethylene oligomerization method, ethylene trimerization method and ethylene tetramerization method using the catalyst composition are provided. Serving as the ligand of the ethylene oligomerization catalyst, the halogen-containing polymer may effectively improve the catalytic performance of a catalyst system, especially by displaying a significantly improved catalytic performance in an ethylene oligomerization reaction. The maximum catalyst activity may exceed 4×108 g·mol(Cr)?1·h?1, and the total selectivity of 1-hexene and 1-octene exceeds 92 wt %. In a C6 product, the content of 1-hexene may reach about 97%, and in a C8 product, the content of 1-octene may reach more than 98%.Type: GrantFiled: October 30, 2019Date of Patent: November 28, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Hongfei Wu, Mingfang Zheng, Songshuang Hu, Tonglin Li, Jun Liu, Ke Xu, Xiaoqing Wang, Feng Pan
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Patent number: 11761110Abstract: The present invention relates to a Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar, the preparation method thereof and a method for the corrosion inhibition of mental materials from concrete structures in marine engineering by using the Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar. The preparation method includes steps of preparing Fe2O3 on the conducting surface of a clean conductive substrate through the hydrothermal process, preparing Fe2O3-PANI composite photoanode film by depositing polyaniline on the surface of Fe2O3 through the electrochemical synthesis and preparing Ru-Fe2O3-PANI composite photoanode film on the surface of the Fe2O3-PANI composite photoanode film through the in situ chemical reduction method.Type: GrantFiled: June 10, 2022Date of Patent: September 19, 2023Assignee: Qingdao University of TechnologyInventors: Zuquan Jin, Xiaoying Zhang, Jihong Jiang, Zhaoyi Chen, Pengcheng Ren, Xiaoqing Wang
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Publication number: 20230290756Abstract: A package structure of an embedded power module includes a top insulation layer, a top metal pattern layer, a solder layer, a device layer, a bottom metal pattern layer and a bottom insulation layer sequentially arranged from top to bottom. The device layer includes at least two MOSFET bare dies and several metal connection blocks, and is filled with insulation filler to isolate the MOSFET bare dies and the metal connection blocks from each other. The drain electrodes of the bare dies are connected with the top metal pattern layer through the solder layer, and the source electrodes and the gate electrodes of the bare dies are electrically connected to the bottom metal pattern layer, respectively. The upper and lower surfaces of the metal connection blocks are electrically connected to the top metal pattern layer and the bottom metal pattern layer, respectively.Type: ApplicationFiled: May 24, 2022Publication date: September 14, 2023Inventors: Xinnan Sun, Min Chen, Bodong Li, Xiaoqing Wang, Dongbo Zhang
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Publication number: 20230281207Abstract: In an example embodiment, machine learning is used to train a machine-learned model that projects each entity, title pair into a single number, called a seniority score, to represent the career progression needed for that position. For example, company A’s “software engineer” and company B’s “senior software engineer” can be represented as two separate numbers, one being p (company A, software engineer) and the other being p (company B, senior software engineer) on the same axis. This allows a comparison to be made about the absolute levels of each title despite their potential different meanings at different entities.Type: ApplicationFiled: February 3, 2022Publication date: September 7, 2023Inventors: Huichao Xue, Xiaoqing Wang, Chao Wang
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Publication number: 20230261582Abstract: Related to is a bidirectional capacitance - inductance - inductance - capacitance (CLLC) circuit with a coupled inductor, which is associated with a circuit topology and operation control of a bidirectional CLLC resonant converter. A bidirectional CLLC resonant circuit with a coupled inductor includes a primary side bridge, a secondary side bridge, a primary side resonant capacitor, a secondary side resonant capacitor, a coupled resonant inductor, and a transformer. Compared with a structure of a conventional bidirectional CLLC resonant circuit, two separate resonant inductors located at a primary side and a secondary side in an original resonant cavity are replaced with one coupled resonant inductor in the circuit; the coupled resonant inductor has opposite dotted terminals with the transformer, and a primary side and a secondary side of the coupled resonant inductor are respectively in serial connection with a primary side and a secondary side of the transformer.Type: ApplicationFiled: February 16, 2022Publication date: August 17, 2023Inventors: Min Chen, Ning Chen, Bodong Li, Dongbo Zhang, Xiaoqing Wang, Xinnan Sun, Zhaopei Liang
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Patent number: 11713327Abstract: The present invention relates to compounds of formula (I), ab (I), wherein R1 to R3 and L are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.Type: GrantFiled: June 11, 2019Date of Patent: August 1, 2023Assignee: Hoffmann-La Roche Inc.Inventors: Fabian Dey, Buyu Kou, Haixia Liu, Hong Shen, Xiaoqing Wang, Weixing Zhang, Zhisen Zhang, Zhiwei Zhang, Wei Zhu
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Publication number: 20230227993Abstract: The present invention relates to a Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar, the preparation method thereof and a method for the corrosion inhibition of mental materials from concrete structures in marine engineering by using the Z-type heterojunction photoanode film used for the photocathode protection of a reinforcing bar. The preparation method includes steps of preparing Fe2O3 on the conducting surface of a clean conductive substrate through the hydrothermal process, preparing Fe2O3-PANI composite photoanode film by depositing polyaniline on the surface of Fe2O3 through the electrochemical synthesis and preparing Ru-Fe2O3-PANI composite photoanode film on the surface of the Fe2O3-PANI composite photoanode film through the in situ chemical reduction method.Type: ApplicationFiled: June 10, 2022Publication date: July 20, 2023Inventors: Zuquan Jin, Xiaoying Zhang, Jihong Jiang, Zhaoyi Chen, Pengcheng Ren, Xiaoqing Wang
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Publication number: 20230192898Abstract: Disclosed herein are novel bispecific and tri-specific antibodies with increased stability and use thereof for therapy.Type: ApplicationFiled: April 29, 2020Publication date: June 22, 2023Applicant: CHIMAGEN BIOSCIENCES, LTD.Inventors: Zhenhao ZHOU, Jie ZHANG, Xiaoqing WANG
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Publication number: 20230138715Abstract: A loudspeaker system, having a good low-frequency response without a large box and effectively improving the efficiency of the loudspeaker system, so as to increase the output sound pressure level of the system, comprises a box and a plurality of loudspeakers arranged in the box and connected in parallel with each other, wherein each of the loudspeakers comprises a frame, a diaphragm arranged on the frame, and a voice coil for driving a vibration of the diaphragm; front surfaces of the diaphragms of the loudspeakers are arranged to face each other; a sound cavity is formed among the front surfaces of the diaphragms, and the sound cavity is in communication with the outside of the box; and each of the frames is located between a rear surface of its corresponding diaphragm and an inner wall of the box.Type: ApplicationFiled: October 15, 2019Publication date: May 4, 2023Inventors: Yuewu SHEN, Shenggang TAO, Jianfeng TANG, Xiaoqing WANG, Guoqiang CHAI
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Patent number: 11626230Abstract: A pipeline demagnetization device based on a permanent magnet structure includes a central piece and permanent magnets distributed on the central piece. A magnetic field with alternating directions is formed in a wall of a pipeline in an axial direction from front to back, and strength of the magnetic field gradually decreases. The pipeline demagnetization device can be applied to the pipeline demagnetization using a built-in structure or an externally-built structure. The pipeline demagnetization device spatially constructs a set of stable alternately-decayed magnetic fields, so that the wall of the pipeline experiences the set of alternately-decayed magnetic fields when the pipeline that is magnetized spatially displaces relative to the set of alternately-decayed magnetic fields, thereby realizing demagnetization.Type: GrantFiled: November 6, 2017Date of Patent: April 11, 2023Assignee: Shanghai Jieling Magnetic Material & Devices Co., Ltd.Inventors: Huixin Zhang, Shiyuan Zhang, Xiaoqing Wang
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Publication number: 20230041743Abstract: The present invention relates to compounds of formula (I), wherein R1 to R3, m and n are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.Type: ApplicationFiled: November 24, 2020Publication date: February 9, 2023Applicant: Hoffmann-La Roche Inc.Inventors: Hong SHEN, Xiaoqing WANG, Hongtao XU, Zhisen ZHANG, Wei ZHU, Ge ZOU
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Patent number: D1012534Type: GrantFiled: February 4, 2021Date of Patent: January 30, 2024Assignee: NINGBO ZHUYUN HOUSEWARE CO., LTDInventors: Xiaoqing Wang, Qinguo He, Hongtao Wang, Jianqin Wang