Patents by Inventor Kai Wen
Kai Wen 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: 12597483Abstract: A molecular docking method based on a CIM includes: constructing a 3D molecular structure diagram based on a selected drug molecule to obtain a ligand graph; constructing an internal pseudo-atom point diagram of a receptor target based on a selected receptor molecule to obtain a receptor graph; constructing a ligand-receptor similarity graph based on the ligand graph and the receptor graph, where the ligand-receptor similarity graph includes vertices and edges between any two vertices, and any vertex of includes a point in the ligand graph and a point in the receptor graph; determining whether each edge exists; and constructing a pharmacophore model based on the ligand-receptor similarity graph to determine whether the selected drug molecule could inhibit activity of the selected receptor, where the pharmacophore model is configured to calculate a maximum weight clique between the selected drug molecule and the selected receptor to screen a drug molecule compound.Type: GrantFiled: March 24, 2023Date of Patent: April 7, 2026Assignee: BEIJING QBOSON QUANTUM TECHNOLOGY CO., LTD.Inventors: Kai Wen, Yin Ma
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Publication number: 20260085388Abstract: Disclosed is a lightweight, high-strength, corrosion-resistant aluminum alloy material, including: Mg 6.0-10.0 wt %, Zn 1.0-3.5 wt %, Si 0.1-1.3 wt %, and at least one of Mn, Cu, Zr, Sc, and Ti elements with a total amount of not greater than 0.8 wt %, and a balance of Al and inevitable impurities. Further disclosed are a method of producing a deformed aluminum alloy material, a method of producing a casting aluminum alloy material, a product and a final construct. The aluminum alloy material exhibits excellent low density, high strength, corrosion resistance, and damage resistance.Type: ApplicationFiled: September 25, 2023Publication date: March 26, 2026Inventors: Baiqing Xiong, Xiwu Li, Yongan Zhang, Zhihui Li, Hongwei Yan, Guanjun Gao, Lizhen Yan, Yanan Li, Kai Wen, Hongwei Liu, Wei Xiao, Guohui Shi, Kai Zhu
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Publication number: 20260080033Abstract: A method and device for acquiring matrix parameters of coherent Ising machine, and an electronic device are provided. The method includes: receiving an input matrix of the coherent Ising machine; calculating, based on the input matrix, a target parameter of the coherent Ising machine; calculating, based on the target parameter, a first matrix parameter and a second matrix parameter of the coherent Ising machine; calculating, based on the input matrix, the first matrix parameter and the second matrix parameter, a target matrix of the coherent Ising machine; and inputting the target matrix into the coherent Ising machine. The method automatically calculates two key and appropriate matrix parameters through formulas, and substitutes these parameters into preset matrix formulas to obtain the target matrix. It is no longer necessary for engineers to try different parameters and give calculation results, which greatly improves a solving success rate of the coherent Ising machine.Type: ApplicationFiled: November 24, 2025Publication date: March 19, 2026Inventors: Kai Wen, Yin Ma
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Patent number: 12346197Abstract: Disclosed are an optical coherence computation apparatus and an error correction method. The optical coherence computation apparatus includes: a laser, a first beam splitter, a second beam splitter, a third beam splitter, a first modulator, a second modulator, a third modulator, a first converter, a second converter, a first coupler, a second coupler, an injector, a homodyne detector and a computation control module. By using the above-mentioned optical coherence computation apparatus and the error correction method, the computation speed and computation accuracy of the optical coherence computation apparatus during the process of solving computation problems to be processed can be effectively improved.Type: GrantFiled: February 16, 2025Date of Patent: July 1, 2025Assignee: Beijing QBoson Quantum Technology Co., Ltd.Inventors: Kai Wen, Yin Ma
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Publication number: 20250190299Abstract: Disclosed are an optical coherence computation apparatus and an error correction method. The optical coherence computation apparatus includes: a laser, a first beam splitter, a second beam splitter, a third beam splitter, a first modulator, a second modulator, a third modulator, a first converter, a second converter, a first coupler, a second coupler, an injector, a homodyne detector and a computation control module. By using the above-mentioned optical coherence computation apparatus and the error correction method, the computation speed and computation accuracy of the optical coherence computation apparatus during the process of solving computation problems to be processed can be effectively improved.Type: ApplicationFiled: February 16, 2025Publication date: June 12, 2025Applicant: Beijing QBoson Quantum Technology Co., Ltd.Inventors: Kai WEN, Yin MA
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Publication number: 20250166724Abstract: A molecular docking method based on a CIM includes: constructing a 3D molecular structure diagram based on a selected drug molecule to obtain a ligand graph; constructing an internal pseudo-atom point diagram of a receptor target based on a selected receptor molecule to obtain a receptor graph; constructing a ligand-receptor similarity graph based on the ligand graph and the receptor graph, where the ligand-receptor similarity graph includes vertices and edges between any two vertices, and any vertex of includes a point in the ligand graph and a point in the receptor graph; determining whether each edge exists; and constructing a pharmacophore model based on the ligand-receptor similarity graph to determine whether the selected drug molecule could inhibit activity of the selected receptor, where the pharmacophore model is configured to calculate a maximum weight clique between the selected drug molecule and the selected receptor to screen a drug molecule compound.Type: ApplicationFiled: March 24, 2023Publication date: May 22, 2025Applicant: BEIJING QBOSON QUANTUM TECHNOLOGY CO., LTD.Inventors: Kai WEN, Yin MA
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Patent number: 12101397Abstract: A data communication method includes: processing to-be-transmitted target secret information by using a preset secret sharing algorithm to obtain a plurality of secret fragments; and distributing the plurality of secret fragments to each relay node in a first relay node layer among preset M relay node layers to transmit the plurality of secret fragments to a receiving device by means of each relay node in the M relay node layers, so that the receiving device can obtain the target secret information based on each received secret fragment under the condition that the number of the received secret fragments is greater than or equal to a preset security threshold. By applying the data communication method, in the case that the number of breached relay nodes does not exceed the preset security threshold, an attacker cannot obtain a sufficient number of secret fragments to crack the target secret information.Type: GrantFiled: April 21, 2022Date of Patent: September 24, 2024Assignee: BEIJING QBOSON QUANTUM TECHNOLOGY CO., LTD.Inventors: Kai Wen, Yin Ma
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Patent number: 12074406Abstract: A coherent Ising machine based on on-chip whispering gallery mode optical microcavity mainly adopts an optical microcavity integrated with a second laser processing apparatus (a nonlinear crystal), so as to archive an on-chip structure, which, compared with the fiber loop structure in the prior art, has the integration level optimized significantly.Type: GrantFiled: April 21, 2022Date of Patent: August 27, 2024Assignee: BEIJING QBOSON QUANTUM TECHNOLOGInventors: Kai Wen, Yin Ma
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Publication number: 20240222926Abstract: A coherent Ising machine based on on-chip whispering gallery mode optical microcavity mainly adopts an optical microcavity integrated with a second laser processing apparatus (a nonlinear crystal), so as to archive an on-chip structure, which, compared with the fiber loop structure in the prior art, has the integration level optimized significantly.Type: ApplicationFiled: April 21, 2022Publication date: July 4, 2024Applicant: BEIJING QBOSON QUANTUM TECHNOLOGY CO., LTD.Inventors: Kai WEN, Yin MA
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Publication number: 20240214192Abstract: A data communication method includes: processing to-be-transmitted target secret information by using a preset secret sharing algorithm to obtain a plurality of secret fragments; and distributing the plurality of secret fragments to each relay node in a first relay node layer among preset M relay node layers to transmit the plurality of secret fragments to a receiving device by means of each relay node in the M relay node layers, so that the receiving device can obtain the target secret information based on each received secret fragment under the condition that the number of the received secret fragments is greater than or equal to a preset security threshold. By applying the data communication method, in the case that the number of breached relay nodes does not exceed the preset security threshold, an attacker cannot obtain a sufficient number of secret fragments to crack the target secret information.Type: ApplicationFiled: April 21, 2022Publication date: June 27, 2024Applicant: BEIJING QBOSON QUANTUM TECHNOLOGY CO., LTD.Inventors: Kai WEN, Yin MA
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Patent number: 11745402Abstract: An injection mold for a high-aspect-ratio double-layer cylindrical plastic part and a molding method using the same. The injection mold includes a support base plate. A movable mold fixing frame and a movable mold base plate are arranged at the middle of a lower surface of the support base plate through positioning screws. A lower core mold is matchingly provided at a center of an upper surface of the support base plate, and is provided with a lower semicircular cavity for accommodating an outer die barrel. One side of the lower semicircular cavity is open, and the other side is provided with a first end wall which is provided with a lower semicircular notch for an inner die rod to pass through. An upper surface of the lower core mold is provided with a positioning protrusion, a lower feeding groove, and a remaining groove.Type: GrantFiled: February 4, 2023Date of Patent: September 5, 2023Assignees: NORTH UNIVERSITY OF CHINA, SHANXI ZHONGBEI NEW MATERIAL TECHNOLOGY CO., LTD.Inventors: Yaqing Liu, Ruikui Du, Guizhe Zhao, Kai Wen
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Publication number: 20230173723Abstract: An injection mold for a high-aspect-ratio double-layer cylindrical plastic part and a molding method using the same. The injection mold includes a support base plate. A movable mold fixing frame and a movable mold base plate are arranged at the middle of a lower surface of the support base plate through positioning screws. A lower core mold is matchingly provided at a center of an upper surface of the support base plate, and is provided with a lower semicircular cavity for accommodating an outer die barrel. One side of the lower semicircular cavity is open, and the other side is provided with a first end wall which is provided with a lower semicircular notch for an inner die rod to pass through. An upper surface of the lower core mold is provided with a positioning protrusion, a lower feeding groove, and a remaining groove.Type: ApplicationFiled: February 4, 2023Publication date: June 8, 2023Inventors: Yaqing LIU, Ruikui DU, Guizhe ZHAO, Kai WEN
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Publication number: 20220178013Abstract: An evaporation source includes a crucible, a heater, a heat adjusting assembly for convecting heat radiation between the heat adjusting assembly and the crucible body and including a first reflection plate and a second reflection plate, and a hollowed-out pattern provided in the second reflection plate. The crucible includes a crucible body having a top surface, a bottom surface and side surfaces connecting the top and the bottom surfaces; and a nozzle disposed on the top surface of the crucible body. The heater is disposed outside the crucible body for generating heat radiation. Wherein the first reflection is disposed on at least one side of the side surfaces of the crucible body, a gap exists between the first reflection plate and the crucible body; the second reflection plate is disposed under the bottom surface of the crucible body, a gap exists between the second reflection plate and the crucible body.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Inventors: Jinbiao LIU, Luoyang FENG, Youliang LI, Tianyu XU, Rui TAN, Yongyong WEI, Xiang LIU, Li CHEN, Kai WEN, Qinwen JIANG, Shangshu SUN, Peng LIU
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Patent number: 11165885Abstract: Embodiments of the present disclosure provide a routing method and device. The method includes: receiving an access request from a user, wherein the access request points to a page, obtaining user attribute information of the user based on the access request, determining, based on at least a part of the user attribute information and according to a preset rule, a server cluster, wherein the server cluster is configured to provide a service on the page for the user, and routing the access request to the server cluster.Type: GrantFiled: September 25, 2018Date of Patent: November 2, 2021Assignee: ALIBABA GROUP HOLDING LIMITEDInventors: Dongbai Guo, Yanchao Li, Yu Chen, Zhi Sang, Tingming Zou, Kai Wen, Qianqian Wu, Zhiwei Zhou
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Patent number: 10630477Abstract: Threshold distributed elliptic curve key generation and signature system and method are disclosed where nodes can generate their own key pairs without the participation of a trust center, each node can process its own key pair according to a secret sharing protocol, complete conversion of the (n, n) threshold to the (t, n) threshold, after determining t signature node, generates a (t, t) threshold private key according to a threshold logic, complete mapping of ptki to ptki?, and according to a signature logic, use ptki? to complete the communication and calculation in the signature protocol, store the relevant calculation results, and complete an overall signature.Type: GrantFiled: July 26, 2019Date of Patent: April 21, 2020Assignee: Blue HelixInventors: Jianhua Ju, Kai Wen, Kailiang Jiang, Yuqi Lin
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Publication number: 20200071814Abstract: An evaporation source includes a crucible and a heater for generating heat radiation. The crucible includes a crucible body and a nozzle disposed on a top surface of the crucible body. Except for the top surface of the crucible body, at least one side of the remaining sides of the crucible body is provided with a heat adjusting assembly. The heat adjusting assembly is configured for convecting heat radiation between the heat adjusting assembly and the crucible body. A gap exists between the heat adjusting assembly and the crucible body.Type: ApplicationFiled: April 28, 2019Publication date: March 5, 2020Inventors: Jinbiao Liu, Luoyang Feng, Youliang Li, Tianyu Xu, Rui Tan, Yongyong Wei, Xiang Liu, Li Chen, Kai Wen, Qinwen Jiang, Shangshu Sun, Peng Liu
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Publication number: 20190089812Abstract: Embodiments of the present disclosure provide a routing method and device. The method includes: receiving an access request from a user, wherein the access request points to a page, obtaining user attribute information of the user based on the access request, determining, based on at least a part of the user attribute information and according to a preset rule, a server cluster, wherein the server cluster is configured to provide a service on the page for the user, and routing the access request to the server cluster.Type: ApplicationFiled: September 25, 2018Publication date: March 21, 2019Inventors: DONGBAI GUO, YANCHAO LI, YU CHEN, ZHI SANG, TINGMING ZOU, KAI WEN, QIANQIAN WU, ZHIWEI ZHOU
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Patent number: 9749438Abstract: Methods, systems, and computer programs encoded on a computer storage medium, for distributing content are disclosed, including receiving a request for a content item to be stored for presentation with content of a first application when a client device is offline; in response, generating and transmitting data that causes the client device to store the content item for presentation with the content of the first application when the client device is offline; determining that a second application is installed; determining that the content item is able to be presented with content of the second application when the client device is offline; and in response, generating and transmitting analytics instructions that cause the client device to detect presentation of the content item with each of the first application and the second application and submit data specifying whether the content item was presented with the first application or the second application.Type: GrantFiled: October 16, 2014Date of Patent: August 29, 2017Assignee: Google Inc.Inventors: Kai Wen, Ramesh R. Sarukkai
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Patent number: 9420351Abstract: A computer-implemented method for pre-fetching online content items is provided. The method uses a first computing device including a processor in communication with an output device and a memory. The method includes displaying an online publication to a user using the output device. The method also includes identifying a break point associated with the online publication. The method further includes determining, by the processor, a pre-fetch point prior to the break point. The method also includes initiating transmission of a content item into the memory at the pre-fetch point.Type: GrantFiled: June 6, 2014Date of Patent: August 16, 2016Assignee: Google Inc.Inventors: Kai Wen, Lawrence Brian Landry, Jianfeng Yang, Ramesh Sarukkai
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Patent number: 9342792Abstract: For each pair of a plurality of slave lasers B for which injection synchronization is performed by a master laser M, by controlling the intensity of light exchanged between two slave lasers B and an optical path length between the two slave lasers B using a slave-to-laser intensity control unit IA and an inter-slave laser optical path length control unit IP, the magnitude and the sign of pseudo ising interaction Jij between the two slave lasers B are implemented. After the plurality of slave lasers B arrive at a steady state, by measuring relative values of the oscillation phases of the plurality of slave lasers B with respect to the oscillation phase of the master laser M by using an oscillation phase measuring unit PM, pseudo ising spins ?i of the plurality of slave lasers B are measured.Type: GrantFiled: November 7, 2013Date of Patent: May 17, 2016Assignees: Inter-University Research Institute Corporation, Research Organization of Information and Systems, The Board of Trustees of the Leland Stanford Junior UniversityInventors: Shoko Utsunomiya, Kenta Takata, Yoshihisa Yamamoto, Kai Wen