Patents by Inventor Tuo Shi
Tuo Shi 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: 20240061827Abstract: In some embodiments, systems, methods, and apparatuses are provided herein useful for managing a plurality of concurrent and nearly concurrent data requests within a computer system. The systems have a main data storage for storing source data, and a high speed, and/or remote data storage for storing computed data. In some embodiments, a combination of data filters and distributed mutex processes are used to eliminate or limit duplicate reads and writes into the high speed data storage units by ensuring only a single service module gets a lock to do the read and update of the cache; and makes it possible for keys to expire and be removed from the data filter. The systems and methods herein have various applications including retail sales environments where the requested data is related to product sales, product availability and the like.Type: ApplicationFiled: November 1, 2023Publication date: February 22, 2024Inventors: Gaurav Agrawal, Mingfeng Gong, Deiva Saranya Mandadi, Sandeep Singh, Tuo Shi
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Publication number: 20230399667Abstract: Provided are a polynucleotide having promoter activity and an application of the polynucleotide in producing an amino acid. Also disclosed are a transcription expression cassette, a recombinant expression vector, and a recombinant host cell which contain the polynucleotide, and a method for enhancing expression of a target gene, a method for preparing a protein, and a method for producing an amino acid. The polynucleotide having the promoter activity is a mutant of a polynucleotide having the sequence as shown in SEQ ID NO: 9. Compared with the polynucleotide having the sequence as shown in SEQ ID NO: 9, the promoter activity of the mutant is significantly enhanced, thereby promoting the stable and efficient expression of the target gene.Type: ApplicationFiled: July 15, 2021Publication date: December 14, 2023Inventors: Ping Zheng, Jiao Liu, Jibin Sun, Wenjuan Zhou, Tuo Shi, Xuan Guo, Yanhe Ma
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Patent number: 11841843Abstract: In some embodiments, systems, methods, and apparatuses are provided herein useful for managing a plurality of concurrent and nearly concurrent data requests within a computer system. The systems have a main data storage for storing source data, and a high speed, and/or remote data storage for storing computed data. In some embodiments, a combination of data filters and distributed mutex processes are used to eliminate or limit duplicate reads and writes into the high speed data storage units by ensuring only a single service module gets a lock to do the read and update of the cache; and makes it possible for keys to expire and be removed from the data filter. The systems and methods herein have various applications including retail sales environments where the requested data is related to product sales, product availability and the like.Type: GrantFiled: July 21, 2022Date of Patent: December 12, 2023Assignee: Walmart Apollo, LLCInventors: Gaurav Agrawal, Mingfeng Gong, Deiva Saranya Mandadi, Sandeep Singh, Tuo Shi
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Patent number: 11772193Abstract: An annular hollow offset-focus laser cladding device, including a housing, a conical reflector arranged in the housing, an annular off-axis parabolic focusing mirror opposite to and arranged coaxially with the conical reflector, a nozzle installed below the conical reflector and a powder-spraying tube connected to a lower end of the nozzle. A top of the housing is provided with a light entrance; the conical reflector faces the light entrance; The powder-spraying tube is coaxial with the annular hollow offset-focusing light reflected by the annular off-axis parabolic focusing mirror; a collimating protective gas jacket is arranged on a periphery of the powder-spraying tube, and the collimating protective gas jacket is located between the annular hollow offset-focused light and the powder-spraying tube; the annular off-axis parabolic focusing mirror is configured to create a horizontally offset of parent parabola focus.Type: GrantFiled: February 17, 2022Date of Patent: October 3, 2023Assignee: SOOCHOW UNIVERSITYInventors: Tuo Shi, Rongwei Zhang, Geyan Fu, Shihong Shi
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Patent number: 11759891Abstract: The present invention relates to a method for depositing a horizontal rib on an unequal-height section by laser cladding, including the following steps: providing an unequal-height section and a laser cladding device, determining a deposition position on the unequal-height section, and determining a length of a rib on the unequal-height section according to the deposition position; using a lowest point of the deposition position as a first segment of the rib and a highest point as a last segment of the rib; determining a number of segments of the rib according to the length and a vertical height of each segment of the rib; determining a cladding speed of each segment of the rib according to a relationship between a cladding height of each segment of the rib and a scanning speed under a certain parameter, and carrying out laser cladding to obtain a horizontal rib.Type: GrantFiled: December 10, 2019Date of Patent: September 19, 2023Assignee: SOOCHOW UNIVERSITYInventors: Tuo Shi, Dongsheng Li, Gang Li, Weiwei Jiang, Hao Su
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Publication number: 20230272366Abstract: Disclosed are a mutant of a pyruvate carboxylase gene promoter of Corynebacterium glutamicum and applications thereof. The mutant has improved promoter activity compared with a wild-type promoter, and can be used for enhancing expression of a target gene, for example, operably ligating the mutant to a pyruvate carboxylase gene enhances the expression intensity of the pyruvate carboxylase, thereby improving the production efficiency of amino acids of the strain.Type: ApplicationFiled: July 13, 2021Publication date: August 31, 2023Inventors: Jibin Sun, Jiao Liu, Ping Zheng, Tuo Shi, Wenjuan Zhou, Jiuzhou Chen, Xuan Guo, Yanhe Ma
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Publication number: 20230242952Abstract: Provided are Corynebacterium glutamicum that produces L-lysine, a method for constructing the L-lysine producing strain, and a method for producing L-lysine from the strain. The lysine yield and glucose conversion of the L-lysine producing strain are improved, thereby reducing the production cost.Type: ApplicationFiled: January 13, 2021Publication date: August 3, 2023Inventors: Jibin Sun, Jiuzhou Chen, Ping Zheng, Wenjuan Zhou, Xuan Guo, Tuo Shi, Jiao Liu, Yanhe Ma
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Publication number: 20230184905Abstract: An optical system of a laser radar is provided, which includes: a laser emitting module (100) configured to emit an initial beam; a beam splitting conversion module (200) configured to split the initial beam; a first lens group (05) configured to focus split beams; a reflective mirror group (06) configured to reflect focused beams to a MEMS scanning module (07); the MEMS scanning module (07) configured to reflect focused beams, receive return light formed by the focused beams when being reflected back, and reflect the return light to the reflective mirror group (06), in which the return light is outputted from the reflective mirror group (06) to the beam splitting conversion module (200); and a laser receiving module (300) configured to output a light detection value based on the received return light. A laser radar system is further provided.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Inventors: Jiayao LIU, Xiandong MENG, Tuo SHI
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Patent number: 11675058Abstract: A light detection and ranging (LIDAR) includes: a light-emitting unit, a light receiving unit and a control unit. In the light emitting unit, first light from a first light source, after being reflected by a first surface of a first mirror, reaches the scan unit. In the light emitting unit, second light from a second light source, after being reflected by a second mirror and transmitted through the first mirror via a second surface of the first mirror, reaches the scan unit, using an overlapping path with the first light. Light intensity of the second light transmitted through the first mirror is lower than that of the first light reflected by the first mirror. The control unit enables only the first light source, and in response to determining that measurements from the light receiving unit are saturated, automatically switches off the first light source and enable the second light source.Type: GrantFiled: October 16, 2018Date of Patent: June 13, 2023Assignee: Zvision Technologies Co., Ltd.Inventors: Tuo Shi, Bingbing Xia, Jiayao Liu
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Patent number: 11541456Abstract: Provided is a FeCrCuTiV high-entropy alloy powder for laser melting deposition manufacturing and a preparation method thereof, in percent by weight, the composition of the high-entropy alloy powder is: chromium 17-20%; copper 22-25%; titanium 16-19%; vanadium 17-20%; and ferrum 19-22%, wherein by utilizing the solid solution effect of alloying elements such as Ti, V and Cu of the high-entropy alloy, it can effectively alleviate the differences in thermal expansion coefficient, melting point, elastic modulus, etc. of the tungsten/steel or tungsten/copper heterogeneous interface, can reduce the residual stress level at the heterogeneous interface during the laser melting deposition manufacturing process and avoid the precipitation of Laves phase, and can meet the manufacturing requirements of tungsten/steel and tungsten/copper heterogeneous components for fusion reactors.Type: GrantFiled: April 22, 2019Date of Patent: January 3, 2023Assignee: SOOCHOW UNIVERSITYInventors: Zhixin Xia, Wenjuan Jiang, Tuo Shi, Lei Chen, Jiachao Xu
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Patent number: 11542719Abstract: The present invention discloses a flexible connecting structure of a prefabricated component and a building main body. The flexible connecting structure comprises multiple layers of cast-in-situ building main bodies spaced up and down, a prefabricated component is connected between two adjacent cast-in-situ building main bodies, a tenon is provided at the lower end of the prefabricated component, a mortise matching the tenon is provided on the top surface of the cast-in-situ building main body, and the prefabricated component is socketed to the lower layer of cast-in-situ building main body by tenon-and-mortise cooperation; and a first flexible layer for reducing the connection rigidity between the prefabricated component and the upper layer of cast-in-situ building main body is provided at the junction between the prefabricated component and the upper layer of cast-in-situ building main body.Type: GrantFiled: May 26, 2020Date of Patent: January 3, 2023Assignees: HUNAN CONSTRUCTION ENGINEERING GROUP CO., LTD., HUNAN CONSTRUCTION TECHNOLOGY RESEARCH INSTITUTEInventors: Hao Chen, Weichao Chen, Weijun Tang, Mingliang Zhang, Qingfeng Dai, Tuo Shi, Zengguang Wang, Qinglian Yuan, Wei Liu
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Publication number: 20220371124Abstract: A method for realizing high-speed cladding of hollow offset-focus annual laser. The method includes the following steps: dividing laser into annual light, and forming an offset-focus annual light spot after the annual light is focused, which acts on a surface of a matrix; during cladding for the surface of the matrix, selecting laser parameters according to different materials; after every cladding, making a shift by 20-80% of the diameter of the light spot in a vertical direction of a scanning speed of the laser; in the cladding process, selecting shielding gas for protection, and blowing the shielding gas to the molten powder in the air to spray the molten powder in air towards the surface of the matrix at a certain speed so that the cladding layer and the matrix are bonded firmly, and cladding the surface of the matrix to form a coating layer.Type: ApplicationFiled: April 15, 2022Publication date: November 24, 2022Applicant: Soochow UniversityInventors: Tuo Shi, Rongwei Zhang, Geyan Fu, Shihong Shi, Yu Wang
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Publication number: 20220362885Abstract: An annular hollow offset-focus laser cladding device, including a housing, a conical reflector arranged in the housing, an annular off-axis parabolic focusing mirror opposite to and arranged coaxially with the conical reflector, a nozzle installed below the conical reflector and a powder-spraying tube connected to a lower end of the nozzle. A top of the housing is provided with a light entrance; the conical reflector faces the light entrance; The powder-spraying tube is coaxial with the annular hollow offset-focusing light reflected by the annular off-axis parabolic focusing mirror; a collimating protective gas jacket is arranged on a periphery of the powder-spraying tube, and the collimating protective gas jacket is located between the annular hollow offset-focused light and the powder-spraying tube; the annular off-axis parabolic focusing mirror is configured to create a horizontally offset of parent parabola focus.Type: ApplicationFiled: February 17, 2022Publication date: November 17, 2022Inventors: Tuo SHI, Rongwei ZHANG, Geyan FU, Shihong SHI
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Publication number: 20220358112Abstract: In some embodiments, systems, methods, and apparatuses are provided herein useful for managing a plurality of concurrent and nearly concurrent data requests within a computer system. The systems have a main data storage for storing source data, and a high speed, and/or remote data storage for storing computed data. In some embodiments, a combination of data filters and distributed mutex processes are used to eliminate or limit duplicate reads and writes into the high speed data storage units by ensuring only a single service module gets a lock to do the read and update of the cache; and makes it possible for keys to expire and be removed from the data filter. The systems and methods herein have various applications including retail sales environments where the requested data is related to product sales, product availability and the like.Type: ApplicationFiled: July 21, 2022Publication date: November 10, 2022Inventors: Gaurav Agrawal, Mingfeng Gong, Deiva Saranya Mandadi, Sandeep Singh, Tuo Shi
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Publication number: 20220317273Abstract: The present invention provides an underwater acoustic target ranging method based on feature extraction and a neural network, including: acquiring underwater acoustic signals transmitted by an underwater acoustic target at different distances, dividing data by seconds, and using data of one second as one sample; performing framing on each sample; and separately calculating a zero-crossing rate of a time domain waveform, the second, fifth, and eighth coefficients of MFCC, a spectral centroid, a spectral skewness, a spectral entropy, and a spectral sharpness for each frame of data of each sample. In the underwater acoustic target ranging method based on feature extraction and a neural network provided in the present invention, the received underwater acoustic signal data is directly processed, so that the real-time performance is high and the reaction speed is fast.Type: ApplicationFiled: August 24, 2020Publication date: October 6, 2022Inventors: Zhongzhe XIAO, Min HUANG, Junjun JIANG, Tuo SHI, Di WU
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Patent number: 11453086Abstract: The present invention relates to a method for laser cladding and forming of a metal or alloy under partial atmosphere protection. Including: transporting a metal or alloy powder beam by an inert carrier gas to move on a machined surface with a focused laser beam; and forming at least one layer of inert protective gas at the outer periphery of the metal or alloy powder beam. The inert protective gas includes first inert protective gas, and the first inert protective gas is at the outer periphery of the focused laser beam. The problems of limited size, high cost and difficulty in moving a cladding and forming system and the like during part forming are solved by forming the inert protective gas at the outer periphery of the focused laser beam. Compared with the prior art, the convenient, fast and economical method is provided for on-site part forming and repair.Type: GrantFiled: March 12, 2018Date of Patent: September 27, 2022Assignee: SOOCHOW UNIVERSITYInventors: Tuo Shi, Geyan Fu, Shihong Shi, Jizhuo Wu
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Patent number: 11429585Abstract: In some embodiments, systems, methods, and apparatuses are provided herein useful for managing a plurality of concurrent and nearly concurrent data requests within a computer system. The systems have a main data storage for storing source data, and a high speed, and/or remote data storage for storing computed data. In some embodiments, a combination of data filters and distributed mutex processes are used to eliminate or limit duplicate reads and writes into the high speed data storage units by ensuring only a single service module gets a lock to do the read and update of the cache; and makes it possible for keys to expire and be removed from the data filter. The systems and methods herein have various applications including retail sales environments where the requested data is related to product sales, product availability and the like.Type: GrantFiled: December 1, 2020Date of Patent: August 30, 2022Assignee: Walmart Apollo, LLCInventors: Gaurav Agrawal, Mingfeng Gong, Deiva Saranya Mandadi, Sandeep Singh, Tuo Shi
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Publication number: 20220268891Abstract: A lidar system includes a laser emitting light source-044, a scanning unit, a transmitting-receiving-coaxial optical unit and a differential reception unit. The laser emitting light source includes a laser and a modulator. The transmitting-receiving-coaxial optical unit is configured to receiving receive a frequency-modulated emission light signal, and pass the same to the scanning unit and the differential reception unit, and is also configured to pass a reflected light signal to the differential reception unit. The scanning unit is configured to reflecting the frequency-modulated emission light signal to a target object at a deflectable angle, and reflect the reflected light signal from the target object to the transmitting-receiving-coaxial optical unit. The differential reception unit is configured to differentially receive the reflected light signal based on the received frequency-modulated emission light signal.Type: ApplicationFiled: July 20, 2019Publication date: August 25, 2022Inventor: Tuo SHI
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Publication number: 20220261621Abstract: Disclosed are an artificial sensory nervous circuit and a manufacturing method thereof. The artificial sensory nervous circuit includes a sensor (S), a first memristor (RS), and a neuron circuit, where the first memristor (RS) has a unidirectional resistance characteristic. The sensor (S) is configured to sensing an external signal and generating an excitation signal according to the external signal. The first memristor (RS) is configured to generating a response signal according to the excitation signal. The neuron circuit is configured to perform charging and discharging according to the response signal so as to output a pulse signal. With the artificial sensory nervous circuit and the manufacturing method thereof, sensitivity and habituation characteristics of biological perception are realized by using a simple circuit.Type: ApplicationFiled: November 13, 2019Publication date: August 18, 2022Applicant: INSTITUTE OF MICROELECTRONICS OF THE CHINESE ACADEMY OF SCIENCESInventors: Qi LIU, Zuheng WU, Tuo SHI, Ming LIU, Hangbing LV, Xumeng ZHANG, Wei WANG
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Patent number: D988888Type: GrantFiled: December 22, 2021Date of Patent: June 13, 2023Assignee: ZVISION TECHNOLOGIES CO., LTD.Inventors: Jiayao Liu, Chengliang Yan, Bin Cheng, Tuo Shi