Patents by Inventor Zhou Chen
Zhou 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).
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Publication number: 20240100079Abstract: Provided herein are methods for regenerating hair cells in an adult mammalian inner ear using novel combinations of agents selected from the group consisting of a histone deacetylase (HDAC) inhibitor, one or more inhibitory nucleic acids targeting Fir, Mxi1, Fbxw7, or a combination thereof, a Wnt pathway activator, and a cAMP activator. The methods and compositions can be used to treat a subject with hearing loss or vestibular dysfunction.Type: ApplicationFiled: February 2, 2022Publication date: March 28, 2024Inventors: Zheng-Yi Chen, Yi-Zhou Quan
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Patent number: 11942963Abstract: A follow-hold switch circuit comprising: a follower; a sampling sub-circuit for voltage sampling; a bootstrap-control sub-circuit, which provides a bootstrap voltage to the sampling sub-circuit when the circuit is in a following state; a sampling-switch-control sub-circuit, which provides a common-mode voltage to a bootstrap capacitor in the bootstrap-control sub-circuit when the circuit is in a holding state; the follower is connected to an output of the sampling sub-circuit; the sampling sub-circuit is connected to the bootstrap-control sub-circuit and the sampling-switch-control sub-circuit respectively through a sampling switch; the present disclosure can effectively improve the linearity of sampling switches.Type: GrantFiled: January 19, 2021Date of Patent: March 26, 2024Assignees: NO. 24 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION, Chongqing GigaChip Technology Co., Ltd.Inventors: Daiguo Xu, Dongbing Fu, Zhengping Zhang, Zhou Yu, Jian'an Wang, Can Zhu, Ruzhang Li, Guangbing Chen, Yuxin Wang, Xueliang Xu
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Publication number: 20240095871Abstract: A device may include a display for displaying an image frame based on warped image data and image processing circuitry to generate the warped image data by warping input image data to account for one or more distortions associated with displaying the image. The image processing circuitry may include a two-stage cache architecture having an first cache and an second cache and warp the input image data by generating mapping data indicative of a warp between the input image space and the output image space and fetching the input image data to populate the first cache. Warping may also include populating the second cache with a grouping of pixel values from the first cache that are selected according to a sliding window that traverses the first cache based on the mapping data and interpolating between pixel values of the grouping to generate pixel values of the warped image data.Type: ApplicationFiled: September 19, 2022Publication date: March 21, 2024Inventors: Ido Y Soffair, Uri Nix, Yung-Chin Chen, Jim C Chou, Jian Zhou, Assaf Menachem, Sorin C Cismas
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Patent number: 11915631Abstract: A digital-display control apparatus of a garbage can with adjustable sensing distance includes an emitter, a receiver, amplifier, an analog to digital converter, an analog to digital conversion result register connected to the receiver via the amplifier and the analog to digital convertor, a comparison unit, a sensing distance adjustable register, a microcomputer control unit, a drive circuit, and a digital displayer and keys, which is capable of selecting the sensing distance by directly pressing keys or choose the predetermined sensing distance.Type: GrantFiled: August 24, 2018Date of Patent: February 27, 2024Assignees: Nine Stars Group (U.S.A.) Inc., Fujian Nashida Electronic Incorporated CompanyInventors: Xin Wang, Jiangqun Chen, Zhou Lin
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Patent number: 11825001Abstract: A blockchain based numerical value ranking method includes: using, by a first participant, a public key of the first participant to encrypt a private value of the first participant to obtain an encrypted text of the first participant; obtaining encrypted texts of other participants, and generating a challenge value having a preset bit length; based on the challenge value and the private value of the first participant, and the encrypted texts and public keys of the other participants, determining mixed results of the first participant with respect to the other participants; and determining a numerical value ranking result between the first participant and a second participant based on the mixed result of the second participant with respect to the first participant.Type: GrantFiled: September 2, 2021Date of Patent: November 21, 2023Assignee: CHINA UNIONPAY CO., LTD.Inventors: Zhenyao Qiu, Yang Yang, Zhou Chen, Zili Huang, Lu Xiong
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Publication number: 20230291586Abstract: A blockchain based numerical value ranking method includes: using, by a first participant, a public key of the first participant to encrypt a private value of the first participant to obtain an encrypted text of the first participant; obtaining encrypted texts of other participants, and generating a challenge value having a preset bit length; based on the challenge value and the private value of the first participant, and the encrypted texts and public keys of the other participants, determining mixed results of the first participant with respect to the other participants; and determining a numerical value ranking result between the first participant and a second participant based on the mixed result of the second participant with respect to the first participant.Type: ApplicationFiled: September 2, 2021Publication date: September 14, 2023Inventors: Zhenyao QIU, Yang YANG, Zhou CHEN, Zili HUANG, Lu XIONG
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Publication number: 20230131840Abstract: Disclosed are a soft bistable magnetic actuator, a fabrication method thereof, a fatigue testing device, and an auto underwater vehicle. The method for fabricating the soft bistable magnetic actuator includes the following operations: casting a soft precursor by injection molding, wherein the soft precursor consists of a soft deformable portion and a soft peripheral portion surrounded, the soft deformable portion is made of magnetic particles and polymer, and the soft peripheral portion is made of a magnetic particle, a mixture of organic liquid, and polymer; and extracting the organic liquid by an organic solvent shrinks the soft peripheral portion, buckles the soft deformable portion towards one side.Type: ApplicationFiled: March 22, 2022Publication date: April 27, 2023Applicant: UNIVERSITY OF HONG KONG SHENZHEN FUTIAN RESEARCH INSTITUTEInventors: Jian LU, Zhou CHEN, Lei WAN, Yunhu HE
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Publication number: 20230128778Abstract: A method for forming a complex shape three-dimensional ceramic article by printing a first layer of a first material having a first fraction of first ceramic particles and a first fraction of a first polymeric ceramic precursor. A second layer is printed such that it is at least partially disposed on the first layer of a second material having a second fraction of second ceramic particles and a second fraction of a second polymeric ceramic precursor. A composite of the first layer and the second layer is heated at a temperature sufficient to decompose the first and second polymeric ceramic precursors and sinter the article. During the sintering process, the first and second layers with different fractions of ceramic particles undergo different degrees of shrinkage, resulting in a tuneable mismatch of the bilayer structure and accurately achieving a targeted geometry.Type: ApplicationFiled: October 27, 2021Publication date: April 27, 2023Inventors: Jian LU, Lei WAN, Zhou CHEN, Zhengyi MAO
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Patent number: 11481256Abstract: Techniques for scheduling operations for a task graph on a processing device are provided. The techniques include receiving a task graph that specifies one or more passes, one or more resources, and one or more directed edges between passes and resources; identifying independent passes and dependent passes of the task graph; based on performance criteria of the processing device, scheduling commands to execute the passes; and transmitting scheduled commands to the processing device for execution as scheduled.Type: GrantFiled: May 29, 2020Date of Patent: October 25, 2022Assignees: Advanced Micro Devices, Inc., ATI Technologies ULCInventors: Steven J. Tovey, Zhou Chen, David Ronald Oldcorn
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Patent number: 11426346Abstract: A lutein-containing ophthalmic composition, wherein the ophthalmic composition is mainly consisting of a natural anti-inflammatory substance, a substance with increasing liquid viscosity, and an artificial tear. The substance with increasing liquid viscosity could apply the ophthalmic composition to elongate the retention time on the ocular surface, thereby increasing the retention time of anti-inflammatory substance on the ocular surface for treating dry eye syndrome and inhibiting ocular surface inflammation.Type: GrantFiled: October 13, 2019Date of Patent: August 30, 2022Assignee: TAIPEI MEDICAL UNIVERSITYInventors: Ching-Li Tseng, I-Chan Lin, Yi-Zhou Chen, Yu-Lun Chuang, Cheng-Han Tsai, Zhi-Yu Chen
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Patent number: 11407541Abstract: The present invention proposes a large industrial vacuum sealer system. The system comprises the following working steps: after materials are placed, a box base moves upwards to be jointed with a box cover in a sealing manner; the first valve 120 is switched on; a rotary vane pump starts roughly pumping the air; next, a roots pump starts working; when the pressure reaches a preset value, the first valve 120 is switched off; valves 110 and the second valve 130 are switched on; diffusion pumps start working; after the air is pumped out completely, all pumps stop working. A box body comprises the box cover and the box base, wherein the box body is fixedly mounted. The box base is driven by air cylinders to move along a rail. In the present invention, a light curtain sensor is mounted between the box cover and the box base.Type: GrantFiled: September 9, 2020Date of Patent: August 9, 2022Inventors: Zhou Chen, Jiaduo Li, Tengzhou Xu
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Patent number: 11325995Abstract: Disclosed are metallocene compounds, catalyst compositions comprising a metallocene compound, processes for polymerizing olefins, methods for making catalyst compositions, olefin polymers and articles made from olefin polymers. In an aspect, a metallocene compounds contain a fluorenyl ligand and a cyclopentadienyl ligand which are bridged by a linking group, in which the metallocene is characterized by [1] the cyclopentadienyl ligand being substituted with a C2-C18 heterohydrocarbyl group having an oxygen atom positioned 5 atoms distance or less from the cyclopentadienyl ligand and [2] the linking group having a pendant C3-C12 alkenyl group having a terminal C?C double bond. It has been discovered that a catalyst composition comprising a metallocene compound having these features can produce polyethylene having a low melt index in the absence of a second metallocene.Type: GrantFiled: February 21, 2020Date of Patent: May 10, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Errun Ding, Qing Yang, Carlton E. Ash, Randall S. Muninger, Jim B. Askew, Zhou Chen
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Patent number: 11145945Abstract: A dielectric filter includes a plurality of resonators, wherein each resonator included in the plurality of resonators includes a tuning hole; and at least one stepped hole for adjusting capacitive coupling, wherein the at least one stepped hole is disposed between two adjacent resonators included in the plurality of the resonators, wherein the stepped hole comprises a large hole and a small through hole at a bottom center of the large hole, wherein a first sidewall and a first annular bottom of the large hole are configured with a metal conductive layer, and wherein at least one of a second sidewall of the small through hole and a second annular portion outside a bottom of the small through hole is not covered with the conductive layer.Type: GrantFiled: February 25, 2020Date of Patent: October 12, 2021Inventors: Rongbiao Su, Zhou Chen, Ruoming Wang
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Publication number: 20210261697Abstract: Disclosed are metallocene compounds, catalyst compositions comprising a metallocene compound, processes for polymerizing olefins, methods for making catalyst compositions, olefin polymers and articles made from olefin polymers. In an aspect, a metallocene compounds contain a fluorenyl ligand and a cyclopentadienyl ligand which are bridged by a linking group, in which the metallocene is characterized by [1] the cyclopentadienyl ligand being substituted with a C2-C18 heterohydrocarbyl group having an oxygen atom positioned 5 atoms distance or less from the cyclopentadienyl ligand and [2] the linking group having a pendant C3-C12 alkenyl group having a terminal C?C double bond. It has been discovered that a catalyst composition comprising a metallocene compound having these features can produce polyethylene having a low melt index in the absence of a second metallocene.Type: ApplicationFiled: February 21, 2020Publication date: August 26, 2021Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Errun Ding, Qing Yang, Carlton E. Ash, Randall S. Muninger, Jim B. Askew, Zhou Chen
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Publication number: 20210250422Abstract: Systems and methods are described herein to automate managing of service layer operations comprised of multiple elementary operations and offloading the burden of performing such multi-step operations from a requesting entity to the service layer. A Request Abstraction Service (RAS) is described herein for the autonomous execution of such multi-step operations. Methods and apparatuses are also described herein for a service layer framework for integrating generic and functional user interfaces as services managed by the SL on behalf of requesting entities.Type: ApplicationFiled: May 7, 2019Publication date: August 12, 2021Inventors: Catalina Mihaela MLADIN, Dale N. SEED, Quang LY, William Robert FLYNN, IV, Zhou CHEN, Hongkun LI, Lu LIU, Chonggang WANG, Jiwan L. NINGLEKHU
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Publication number: 20210206917Abstract: The present invention relates to a carboxyl group containing perfluoropolyether compound of formula (I): Rf—X1—X2(I). In the formula Rf—X1—X2(I), Rf represents F—(CF2)m—(OC4F8)p—(OC3F6)q—(OC2F4)r—(OCF2)s—OC(Z)F—(CF2)n—, wherein p, q, r and s are each independently an integer of 0 or more and 200 or less, and the sum of p, q, r and s is at least 1; in the formula, the occurrence order and number of the respective repeating units in parentheses with the subscript p, q, r or s are arbitrary in the formula; m and n are each independently an integer of 0 or more and 30 or less, Z is F or CF3; X1 represents a divalent organic group; and X2 represents a COOH group.Type: ApplicationFiled: May 7, 2019Publication date: July 8, 2021Applicant: Guangzhou ur Materials Technology Co., Ltd.Inventors: Yi-Jing CHEN, Qi-Guan WANG, Gong-Zhou CHEN
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Patent number: 11057404Abstract: A method and apparatus for defending against a DNS attack includes receiving a DNS request from a request source and obtaining an IP address of the request source, calculating a characteristic value of the IP address, and searching an internal memory for preset identifier information corresponding to the characteristic value. Based on the preset identifier information corresponding to the characteristic value being a detection identifier indicating an uncertainty of an existence of an attack risk in the DNS request, the method includes obtaining request record information and an unblocking time corresponding to the characteristic value, the request record information including a number of request times from the request source in a predetermined period. Based on the number of request times exceeding a preset request threshold, determining that the DNS request is an attack request and discarding the DNS request.Type: GrantFiled: April 19, 2019Date of Patent: July 6, 2021Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Fang Zhou Chen, Feng Bo Jiang
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Patent number: 11057483Abstract: In embodiments, a server receives an HTTP protocol-based access request sent by the client; when the server determines that the access request comprises a preset identifier and the current identifier value corresponding to the preset identifier matches any of historical identifier values in a historical identifier set stored in the server, the server determines a user seed from the historical identifier set according to the current identifier value, the historical identifier set comprising a corresponding relationship between historical identifier values and user seeds, the any of historical identifier values being generated by the server on the basis of a user seed and a random number corresponding to the historical identifier value, and the user seed being used for identifying a same user recognized by the server on the basis of the access request; the server tracks an access behavior of the user seed.Type: GrantFiled: October 10, 2018Date of Patent: July 6, 2021Assignee: CHINA UNIONPAY CO., LTD.Inventors: Yang Yang, Zhou Chen, Haoran Zhu, Zili Huang
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Publication number: 20210115014Abstract: The disclosure relates to a compound, having a structure of Formula I or a pharmaceutically acceptable salt thereof, herein, R1 is selected from hydrogen, fluorine, and chlorine; R2 and R3 are independently selected from hydrogen, alkyl, a substituted alkyl, alkenyl or a substituted alkenyl, alkynyl or a substituted alkynyl, and aryl, or R2 and R3 are connected to form a ring selected from a cycloalkyl, a substituted cycloalkyl, an aromatic heterocycle or a non-aromatic heterocycle; R4 is selected from hydrogen, cyano, alkyl, a substituted alkyl, alkenyl or a substituted alkenyl, alkynyl or a substituted alkynyl, and aryl; and R5 is selected from hydrogen, halogen, and haloalkyl. The disclosure further relates to a pharmaceutical composition containing the compound. The compound and the composition of the disclosure show significant activity in an aspect of treating AR-prostate cancer and triple-negative breast cancer.Type: ApplicationFiled: December 29, 2020Publication date: April 22, 2021Inventors: Yongheng CHEN, Guangyu XU CHEN, Wenqiang ZHOU CHEN
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Publication number: 20210091440Abstract: A dielectric filter includes a plurality of resonators, wherein each resonator included in the plurality of resonators includes a tuning hole; and at least one stepped hole for adjusting capacitive coupling, wherein the at least one stepped hole is disposed between two adjacent resonators included in the plurality of the resonators, wherein the stepped hole comprises a large hole and a small through hole at a bottom center of the large hole, wherein a first sidewall and a first annular bottom of the large hole are configured with a metal conductive layer, and wherein at least one of a second sidewall of the small through hole and a second annular portion outside a bottom of the small through hole is not covered with the conductive layer.Type: ApplicationFiled: February 25, 2020Publication date: March 25, 2021Inventors: Rongbiao SU, Zhou CHEN, Ruoming WANG