Patents by Inventor Dan Guo
Dan Guo 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: 11976092Abstract: Disclosed herein are high Tm RNA nanostructures that can be composed of one or more modules or motifs to build RNA nanostructures with or without layers. The RNA nanostructures can have a core domain and three or more double-stranded arms and formulations thereof to conjugate high copy numbers of therapeutics, pH responsive or enzyme cleavable drug cargo. Also described herein is a design strategy for generation of synthetic RNA oligonucleotides that can self assemble into highly thermostable RNA structures. Also described herein are uses of the RNA nanostructures described herein.Type: GrantFiled: November 12, 2018Date of Patent: May 7, 2024Assignees: Ohio State Innovation Foundation, University of Kentucky Research FoundationInventors: Peixuan Guo, Mario Vieweger, Xin Li, Sijin Guo, Hongran Yin, Xijun Piao, Yi Shu, Dan Shu, Mehdi Rajabi
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Patent number: 11946003Abstract: A system for producing needle coke and a method for producing needle coke using the system are provided. The system includes a coke tower, a pressure stabilization tower, a buffer tank and a coking fractionation tower. A pressure controller is provided at the top of the pressure stabilization tower for adjusting the pressure at the top thereof. An oil gas outlet of the coke tower is in communication with an oil gas inlet of the pressure stabilization tower through a pipeline. No pressure controller for adjusting the pressure at the top of the coke tower is provided in the coke tower or on the oil gas pipeline connecting the coke tower to the pressure stabilization tower.Type: GrantFiled: December 3, 2020Date of Patent: April 2, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS.CO., LTD.Inventors: Dan Guo, Xiangchen Fang, Kai Qiao, Renqing Chu, Lianzhong Gou, Tianzuo Chen
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Patent number: 11893436Abstract: A memory card identification method and a mobile device are provided. The memory card identification method includes: sending an initialization command of a first-type memory card communications protocol to a to-be-identified memory card; detecting whether there is a response in a command pin of the memory card; and identifying the memory card as a first-type memory card or a second-type memory card based on a response status of the command pin.Type: GrantFiled: July 17, 2019Date of Patent: February 6, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Lingcong Xie, Dan Guo, Enhua Deng, Zhixiong Li
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Publication number: 20230412098Abstract: An efficiency optimization control method and system for permanent magnet synchronous motor are provided, and the method includes: step 1: obtaining an approximate optimal direct axis (d-axis) current of a permanent magnet synchronous motor by using a loss model algorithm; step 2: performing, by using the approximate optimal d-axis current as an initial value and using a deep reinforcement learning algorithm, an optimizing process on the approximate optimal d-axis current to construct an optimal deep reinforcement learning model; and step 3: inputting currently acquired state data of the permanent magnet synchronous motor into the optimal deep reinforcement learning model to obtain a control parameter value corresponding to an optimal efficiency of the permanent magnet synchronous motor, and controlling the permanent magnet synchronous motor based on the control parameter value. Therefore, real-time target control for the permanent magnet synchronous motor is achieved.Type: ApplicationFiled: August 30, 2023Publication date: December 21, 2023Inventors: Siqi Peng, Weijun Li, Dan Guo, Hongyu Peng, Hui Li, Pingan Tan
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Publication number: 20230377429Abstract: This invention is about a root canal activator and the activation method. It belongs to technical field of root canal treatment equipment. The eccentric wheel is connected with a oscillatory needle, which is composed of a needle head, a spherical joint and a connecting rod. The connecting rod is connected through a spherical joint to the ball-shaped slot of the eccentric wheel and therefore, a spherical pair is formulated to allow for a degree of freedom. There is a head cover made of soft rubber mounted at the top end of the outer shell. The oscillatory needle is mounted inside the soft rubber cover through a cylindrical joint, which has formulated a cylindrical pair and allows for five degrees of freedom in total.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Inventors: TIRAN ZHANG, DAN GUO
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Publication number: 20230363222Abstract: A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.Type: ApplicationFiled: July 18, 2023Publication date: November 9, 2023Inventors: Ling Shi, Yipeng Chen, Xuewei Tian, Ke Liu, Dan Guo, Zhenhua Zhang
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Publication number: 20230354680Abstract: A display substrate and a display device are disclosed, the display substrate has a plurality of sub-pixels arranged in an array, and includes a base substrate, a driving circuit layer, a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer, and the black matrix layer includes a plurality of first light-transmitting openings respectively exposing light-emitting devices (EM) of the plurality of sub-pixels, and includes a plurality of second light-transmitting openings respectively between the plurality of first light-transmitting openings. The driving circuit layer includes a plurality of light-transmitting portions, and each of the plurality of second light-transmitting openings is provided corresponding to at least one of the plurality of light-transmitting portions for transmitting light in a predetermined angle range with the surface of the display substrate.Type: ApplicationFiled: November 4, 2021Publication date: November 2, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shuo LI, Dan GUO, Yao HU
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Publication number: 20230345783Abstract: A display substrate and a display device are disclosed, the display substrate has a plurality of sub-pixels and includes a base substrate, a driving circuit layer, a light-emitting device layer, and a black matrix layer, the driving circuit layer includes a first signal line and a second signal line arranged parallel to each other and arranged periodically, the black matrix layer includes a plurality of first light-transmitting openings and a plurality of second light-transmitting openings, the plurality of second light-transmitting openings are respectively arranged between the plurality of first light-transmitting openings and orthographic projections of the plurality of second light-transmitting openings (1132) on the base substrate (-1-04)-are respectively between an orthographic projection of one first signal line {&4-on the base substrate 0-04-)-and an orthographic projection of one second signal line (82)-closest to the one first signal line (84)-on the base substrateType: ApplicationFiled: November 4, 2021Publication date: October 26, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shuo LI, Ling SHI, Hui LU, Dan GUO, Yao HU
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Patent number: 11770953Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes: a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.Type: GrantFiled: February 7, 2021Date of Patent: September 26, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ling Shi, Yipeng Chen, Xuewei Tian, Ke Liu, Dan Guo, Zhenhua Zhang
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Publication number: 20230272284Abstract: A coking system comprises the 1st to the m-th heating units and the 1st to the n-th coke towers, each of the m heating units being in communication with the n coke towers, respectively, each of the n coke towers being in communication with one or more separation towers, respectively, in communication with the m-th heating unit and optionally with the i-th heating unit. The coking system can at least utilize petroleum series or coal series raw materials to produce high-quality needle coke with stable performance.Type: ApplicationFiled: May 10, 2023Publication date: August 31, 2023Inventors: Renqing CHU, Xiangchen FANG, Dan GUO, Yongyi SONG, Jihua LIU, Lianzhong GOU, Dewei JIAO, Yun WU
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Publication number: 20230127959Abstract: A ferrule is provided, the fiber is inserted into a through hole axially disposed in the ferrule body, a first end of the fiber is located inside the through hole, a vertical distance between an end face of the first end of the fiber and a plane on which a connection end face of the ferrule body is located is a first preset distance, and the first preset distance is a distance that can leave a gap between a fiber of the ferrule and a fiber of another ferrule after the ferrule abuts the another ferrule.Type: ApplicationFiled: December 21, 2022Publication date: April 27, 2023Inventors: Dan Guo, Baoqi Wang
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Publication number: 20230109022Abstract: A ferrule includes a ferrule matrix, an optical fiber, and a dielectric reflective film. The optical fiber is disposed in an accommodating through hole of the ferrule matrix, and the dielectric reflective film covers an optical transmission surface of the optical fiber and a surface that is of the ferrule matrix and that faces a matching ferrule. The dielectric reflective film has a through hole, such that the dielectric reflective film does not shield a main optical path area of the optical transmission surface of the optical fiber. A reflective band of the dielectric reflective film includes at least a part of a communication band of the optical fiber. In this way, when light from the matching ferrule is transmitted to the ferrule matrix and the optical fiber, the dielectric reflective film reflects the light.Type: ApplicationFiled: December 12, 2022Publication date: April 6, 2023Inventors: Dan GUO, Baoqi Wang, Junying Zhao
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Publication number: 20230038156Abstract: A system for producing needle coke and a method for producing needle coke using the system are provided. The system includes a coke tower, a pressure stabilization tower, a buffer tank and a coking fractionation tower. A pressure controller is provided at the top of the pressure stabilization tower for adjusting the pressure at the top thereof. An oil gas outlet of the coke tower is in communication with an oil gas inlet of the pressure stabilization tower through a pipeline. No pressure controller for adjusting the pressure at the top of the coke tower is provided in the coke tower or on the oil gas pipeline connecting the coke tower to the pressure stabilization tower.Type: ApplicationFiled: December 3, 2020Publication date: February 9, 2023Inventors: Dan GUO, Xiangchen FANG, Kai QIAO, Renqing CHU, Lianzhong GOU, Tianzuo CHEN
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Patent number: 11541920Abstract: A system and a method for monitoring pressure inside a railway vehicle comprise a carriage pressure detection device, a control device, and an alarm device. The control device is configured to receive and process a pressure signal collected by the carriage pressure detection device, perform calculation on and analyze the collected data, and transmit an alarm signal to the alarm device as an alarm when a preset alarm condition is met. When a pressure protection device fails, pressure changes inside the vehicle are monitored in real time by the carriage pressure detection device functioning independently of the pressure protection device.Type: GrantFiled: September 10, 2018Date of Patent: January 3, 2023Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Zongchang Wang, Xinxi Zhou, Lei Chen, Chenglong Chu, Shudian Li, Dan Guo, Lianhao Zhao
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Patent number: 11536911Abstract: A ferrule includes a ferrule matrix, an optical fiber, and a dielectric reflective film. The optical fiber is disposed in an accommodating through hole of the ferrule matrix, and the dielectric reflective film covers an optical transmission surface of the optical fiber and a surface that is of the ferrule matrix and that faces a matching ferrule. The dielectric reflective film has a through hole, such that the dielectric reflective film does not shield a main optical path area of the optical transmission surface of the optical fiber. A reflective band of the dielectric reflective film includes at least a part of a communication band of the optical fiber. In this way, when light from the matching ferrule is transmitted to the ferrule matrix and the optical fiber, the dielectric reflective film reflects the light.Type: GrantFiled: January 13, 2021Date of Patent: December 27, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dan Guo, Baoqi Wang, Junying Zhao
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Publication number: 20220328603Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes: a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.Type: ApplicationFiled: February 7, 2021Publication date: October 13, 2022Inventors: Ling Shi, Yipeng Chen, Xuewei Tian, Ke Liu, Dan Guo, Zhenhua Zhang
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Publication number: 20220175498Abstract: This invention specially refers to a dental implant detector using constant current source and its detecting method, which falls within the scope of anti-interference, high-sensitivity dental implant detection. It is composed of the detecting sensor, the detecting sensor socket and the implant locator. The detecting sensor socket is connected with the detecting sensor and the implant locator at two ends respectively. The detecting sensor is built with a PCB base and detecting coils mounted on the layer and plane of the PCB base. The involute racetrack copper coil on the plane of the PCB base is smaller than that on the layer by 0.1 mm both laterally and longitudinally. The implant locator is built mainly with a CPU with power supply, a constant voltage module, a status display control module and a frequency conversion module. The detector, highly sensitive, easy to operate and very accurate for location, has solved the problems like time-consuming, inaccuracy and slowness of traditional detection method.Type: ApplicationFiled: April 27, 2021Publication date: June 9, 2022Inventors: DAN GUO, TIRAN ZHANG
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Publication number: 20220156009Abstract: A storage device and a storage device operation method are provided. The storage device has a processing capability for a first communications protocol and a processing capability for a second communications protocol. The method includes: receiving an adaptive command (110); and identifying the adaptive command, and determining, according to the adaptive command, to execute the first communications protocol or the second communications protocol for an operation (120). According to the foregoing method, the storage device can perform an adaptive operation between different communications protocols.Type: ApplicationFiled: July 17, 2019Publication date: May 19, 2022Inventors: Zhihao YE, Dan GUO, Enhua DENG, Zhixiong LI
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Publication number: 20220076090Abstract: A memory card identification method and a mobile device are provided. The memory card identification method includes: sending an initialization command of a first-type memory card communications protocol to a to-be-identified memory card; detecting whether there is a response in a command pin of the memory card; and identifying the memory card as a first-type memory card or a second-type memory card based on a response status of the command pin.Type: ApplicationFiled: July 17, 2019Publication date: March 10, 2022Inventors: Lingcong Xie, Dan Guo, Enhua Deng, Zhixiong Li
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Publication number: 20220067475Abstract: A memory card includes a packaging board and a plurality of contacts disposed on one side surface of the packaging board, where the contacts include a power supply contact, a grounding contact, and a detection contact. The detection contact is disposed adjacent to one of the power supply contact or the grounding contact and is suspended or electrically connected to the other of the power supply contact or the grounding contact.Type: ApplicationFiled: July 17, 2019Publication date: March 3, 2022Inventors: Enhua Deng, Dan Guo, Weiwen Pang, Zhixiong Li