Patents by Inventor Yi Shao
Yi Shao 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: 20220269296Abstract: A low dropout regulator includes an output circuit and an amplifier. The output circuit includes a signal input end configured to receive an input voltage and a signal output end configured to output an output voltage. The amplifier includes a first stage amplifier circuit, a second stage amplifier circuit, a first feedback circuit and a second feedback circuit. The first stage amplifier circuit includes a positive output end and a negative output end. The second stage amplifier circuit includes an input end and an output end, wherein the input end and the positive output end are coupled at a first node, and the output end is coupled to the output circuit. The first feedback circuit is coupled between the negative output end and the output end. The second feedback circuit is coupled between the first node and the output end.Type: ApplicationFiled: September 10, 2021Publication date: August 25, 2022Inventors: Hsueh-Yu KAO, Yi-Shao CHANG
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Publication number: 20220261221Abstract: A random number generator and a random number generating method are provided. The random number generator includes a first stage generator and a second stage generator. The first stage generator outputs a first random number and a second random number at a first time point and a second time point, respectively. The second stage generator generates a final output at least according to the first random number. More particularly, the second stage generator includes a reseed circuit for generating a reseed signal, to control whether to generate the final output according to the second random number. In addition, when the second stage generator generates the final output at a current data cycle without using the second random number, the first stage generator holds the second random number for generating the final output at a next data cycle.Type: ApplicationFiled: October 8, 2021Publication date: August 18, 2022Applicant: PUFsecurity CorporationInventors: Chun-Heng You, Chi-Yi Shao, Kai-Hsin Chuang, Meng-Yi Wu
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Publication number: 20220215064Abstract: A method, a computer program product and a computer system refine Internet search recommendations. The method includes receiving a search input from a user. The method also includes receiving a plurality of sets of search results from respective search engines. Each search engine utilizes a respective type of search process. Each of the sets of the search results for a selected one of the search engines is prioritized according to the type of the search process. The method further includes applying respective weights to the search engines such that the sets of search results have a modified priority based on the weights. The weights are associated with the user. Finally, the method includes generating modified search results based on the sets of search results, the weights, and the modified priority.Type: ApplicationFiled: January 4, 2021Publication date: July 7, 2022Inventors: Jing James Xu, YI SHAO, Xiao Ling Yang, Lei Gao
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Publication number: 20220187364Abstract: A built-in self-test (BIST) circuit and a BIST method for Physical Unclonable Function (PUF) quality check are provided. The BIST circuit may include a PUF array, a readout circuit coupled to the PUF array, and a first comparing circuit coupled to the readout circuit. The PUF array may include a plurality of PUF units, wherein each of the PUF units includes a first cell and a second cell. The readout circuit may be configured to output an output bit from the first cell and output a parity bit from the second cell. The first comparing circuit may be configured to compare an output string with a parity string to generate a parity check result, wherein the output string includes output bits respectively read from selected PUF units of the PUF units, and the parity string includes parity bits read from the selected PUF units.Type: ApplicationFiled: August 26, 2021Publication date: June 16, 2022Applicant: PUFsecurity CorporationInventors: Chi-Yi Shao, Kai-Hsin Chuang, Jun-Heng You, Meng-Yi Wu
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Patent number: 11353421Abstract: The present disclosure provides a biological field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device includes a plurality of micro wells having a sensing gate bottom and a number of stacked well portions. A bottom surface area of a well portion is different from a top surface area of a well portion directly below. The micro wells are formed by multiple etching operations through different materials, including a sacrificial plug, to expose the sensing gate without plasma induced damage.Type: GrantFiled: September 20, 2019Date of Patent: June 7, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yi-Hsien Chang, Chun-Ren Cheng, Shih-Wei Lin, Yi-Shao Liu
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Patent number: 11294640Abstract: A random number generator includes a counting value generator, an address generator, a static entropy source and a processing circuit. The counting value generator generates a first random number. The address generator generates an address signal. The static entropy source is connected with the address generator to receive the address signal and generates a second random number. The processing circuit is connected with the static entropy source and the counting value generator to receive the first random number and the second random number. After the first random number and the second random number are processed by the processing circuit, the processing circuit generates an output random number.Type: GrantFiled: February 7, 2020Date of Patent: April 5, 2022Assignee: EMEMORY TECHNOLOGY INC.Inventors: Chi-Yi Shao, Meng-Yi Wu, Chih-Ming Wang
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Publication number: 20220102494Abstract: A device includes a semiconductor nanostructure, and an oxide layer, which includes horizontal portions on a top surface and a bottom surface of the semiconductor nanostructure, vertical portions on sidewalls of the semiconductor nanostructure, and corner portions on corners of the semiconductor nanostructure. The horizontal portions have a first thickness. The vertical portions have a second thickness. The corner portions have a third thickness. Both of the second thickness and the third thickness are greater than the first thickness. A high-k dielectric layer surrounds the oxide layer. A gate electrode surrounds the high-k dielectric layer.Type: ApplicationFiled: July 7, 2021Publication date: March 31, 2022Inventors: Shu-Han Chen, Yi-Shao Li, Chun-Heng Chen, Chi On Chui
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Publication number: 20220101183Abstract: Disclosed are a computer-implemented method, a system and a computer program product for feature processing. In the computer-implemented method for feature processing, two input features selected from multiple features of each sample in a sample set are projected to one resulting feature by one or more processing units based on a specified curve. The sample set is updated by replacing the two input features with the one resulting feature for each sample in the sample set by one or more processing units. The projecting and the updating for the sample set are repeated by one or more processing units until the number of features of each sample in the sample set reaches a predetermined criterion.Type: ApplicationFiled: September 29, 2020Publication date: March 31, 2022Inventors: Chun Lei Xu, Si Er Han, Shi Bin Liu, Yi Shao, Lei Tian, Hao Zheng, Jia Rui Wang
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Patent number: 11280786Abstract: The present disclosure provides biochips and methods of fabricating biochips. The method includes combining three portions: a transparent substrate, a first substrate with microfluidic channels therein, and a second substrate. Through-holes for inlet and outlet are formed in the transparent substrate or the second substrate. Various non-organic landings with support medium for bio-materials to attach are formed on the first substrate and the second substrate before they are combined. In other embodiments, the microfluidic channel is formed of an adhesion layer between a transparent substrate and a second substrate with landings on the substrates.Type: GrantFiled: December 3, 2018Date of Patent: March 22, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chia-Hua Chu, Allen Timothy Chang, Ching-Ray Chen, Yi-Hsien Chang, Yi-Shao Liu, Chun-Ren Cheng, Chun-Wen Cheng
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Patent number: 11243764Abstract: According to embodiments of the present disclosure, a method, a device and a computer program product for code deployment are proposed. In the method, a deployment strategy for deploying code into a plurality of computing environments and respective amounts of resources provided by the plurality of computing environments are obtained. At least one code segment of the code to be deployed in a corresponding computing environment comprised in the plurality of computing environments is determined based on the deployment strategy and the respective amounts of resources. An amount of resources provided by the corresponding computing environment is sufficient to run the at least one code segment. The at least one code segment is deployed into the corresponding computing environment.Type: GrantFiled: September 10, 2020Date of Patent: February 8, 2022Assignee: International Business Machines CorporationInventors: Yi Shao, Liang Wang, Lei Tian, Zhe ZL Liu, Chun Lei Xu
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Publication number: 20220027797Abstract: In an approach to mitigating model drift, one or more computer processors create an ensemble model set (EMS) comprising one or more component models, wherein each component model in the EMS is trained utilizing at least one of the following: a distinct algorithm, technique, and hybrid data chunk; calculate a set of weights for each component model in the EMS; responsive to detecting model drift, create a new component model based on a new hybrid data chunk and adding the new component model to the EMS; recalculate the set of weights for each component model in the EMS utilizing one or more evaluation techniques compared against the new hybrid data chunk; predict a final prediction by aggregating one or more predictions from one or more component models in a set of selected top component models between subsequent model drifts.Type: ApplicationFiled: July 23, 2020Publication date: January 27, 2022Inventors: LEI TIAN, Si Er Han, Dong Hai Yu, Liang Wang, YI SHAO, Chun Lei Xu
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Patent number: 11223328Abstract: A dual-mode signal amplifying circuit includes: a first and a second input terminals for receiving differential input signals; two output terminals for providing differential output signals; a first through a third current sources; a first switch positioned between the first current source and a first node, and controlled by the first input terminal; a second switch positioned between the first current source and a second node, and controlled by the second input terminal; a third switch positioned between the first node and a fixed-voltage terminal, and controlled by a third node; a fourth switch positioned between the second node and a fixed-voltage terminal and controlled by the third node; a fifth switch positioned between the second current source and a fixed-voltage terminal, and controlled by the first node; and a sixth switch positioned between the third current source and a fixed-voltage terminal, and controlled by the second node.Type: GrantFiled: July 21, 2020Date of Patent: January 11, 2022Assignee: REALTEK SEMICONDUCTOR CORP.Inventors: Chao-Huang Wu, Yi-Shao Chang, Han-Chang Kang, Ka-Un Chan
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Publication number: 20210367571Abstract: An operational amplifier includes a differential amplifier circuit and a common mode feedback circuit. The differential amplifier circuit includes a bias circuit, an amplifier circuit, and a load circuit. The bias circuit generates a first operation voltage. The amplifier circuit receives a pair of input signals, and generates a pair of output signals according to the input signals and the first operation voltage. The load circuit is coupled to the amplifier circuit. The common mode feedback circuit generates at least one common mode feedback voltage based on a common mode voltage and a reference voltage. The common mode voltage is associated with the output signals. The at least one common mode feedback voltage is for controlling the bias circuit and the load circuit, to control a direct current (DC) voltage level of the differential amplifier circuit.Type: ApplicationFiled: December 9, 2020Publication date: November 25, 2021Inventors: Yi-Shao Chang, Ka-Un Chan
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Patent number: 11164086Abstract: Methods, computer program products, and systems are presented. The methods include, for instance: obtaining a request for a predicted ensemble score in real-time. A subset of base model instances is formed by use of a preconfigured priority policy. A fitness score of the formed subset, quantifying the accuracy of the subset, is calculated as a sum of weights respective to the base model instances in the subset. A number of base models represented in the subset is less than or equal to a number of all based models.Type: GrantFiled: July 9, 2018Date of Patent: November 2, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Lei Tian, Yi Shao, Peng Xue, Di Ling Chen, Wei Wu, Peng Hui Jiang
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Publication number: 20210302367Abstract: A biochip including a fluidic substrate having an opening extending completely through the fluidic substrate. The biochip further includes a silicon oxide coating on the fluidic substrate. The biochip further includes a plurality of sidewalls on the fluidic substrate, wherein the plurality of sidewalls defines a channel in fluid communication with the opening, the silicon oxide coating is between adjacent sidewalls of the plurality of sidewalls, and each of the plurality of sidewalls comprises polydimethylsiloxane (PDMS). The biochip further includes a detection substrate spaced from the fluidic substrate.Type: ApplicationFiled: April 2, 2021Publication date: September 30, 2021Inventors: Yi-Shao LIU, Chun-Ren CHENG, Chun-wen CHENG
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Publication number: 20210302366Abstract: Present disclosure provides a method for pathogen detection, including operations that applying a biological sample to a culturing chamber comprising an interacting agent; driving a sensor electrically coupled to the biological sample in the culturing chamber; measuring an electrical signal from the sensor; and obtaining pathogen-related information of the biological sample based on the electrical signal.Type: ApplicationFiled: March 29, 2021Publication date: September 30, 2021Inventors: Hardy Wai Hong CHAN, Yi-Shao LIU, Chihchung CHEN, Ming-Yu LIN, Hao LEE
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Patent number: 11099152Abstract: The present disclosure provides a bio-field effect transistor (BioFET) device and methods of fabricating a BioFET and a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device includes a gate structure disposed on a first surface of a substrate and an interface layer formed on a second surface of the substrate. The substrate is thinned from the second surface to expose a channel region before forming the interface layer.Type: GrantFiled: November 8, 2019Date of Patent: August 24, 2021Inventors: Yi-Shao Liu, Chun-Ren Cheng, Ching-Ray Chen, Yi-Hsien Chang, Fei-Lung Lai, Chun-Wen Cheng
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Patent number: 11027310Abstract: The present disclosure relates to a method of depositing a fluid onto a substrate. In some embodiments, the method may be performed by mounting a substrate to a micro-fluidic probe card, so that the substrate abuts a cavity within the micro-fluidic probe card that is in communication with a fluid inlet and a fluid outlet. A first fluidic chemical is selectively introduced into the cavity via the fluid inlet of the micro-fluidic probe card.Type: GrantFiled: November 18, 2016Date of Patent: June 8, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chun-Wen Cheng, Jung-Huei Peng, Yi-Shao Liu, Fei-Lung Lai, Shang-Ying Tsai
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Patent number: 11032649Abstract: A speaker module and a manufacturing method thereof is provided in present invention. The speaker module includes a frame, a magnetic circuit system and a vibration system. The vibration system has a vibrating diaphragm and a voice coil. The magnetic circuit system includes a magnet and an upper magnetic plate arranged on the magnet. The speaker module further includes flexible circuit boards electrically connected with the voice coil. The upper magnetic plate and the flexible circuit boards are integrally injection molded in the frame. By virtue of the configuration described in the present invention, the connection between the frame and the magnetic circuit system is precise and stable.Type: GrantFiled: December 27, 2019Date of Patent: June 8, 2021Assignee: AAC Technologies Pte. Ltd.Inventors: Yi Shao, Fan Zhang
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Patent number: 10989685Abstract: A method of sensing a biological sample includes introducing a fluid containing the biological sample through a first opening in a substrate. The method further includes passing the fluid from the first opening to a first cavity through at least one microfluidic channel. The method further includes repelling the biological sample from a first surface of the first cavity using a first surface modification layer. The method further includes attracting the biological sample to a sensing device using a plurality of modified surface patterns, wherein a first modified surface pattern of the plurality of modified surface patterns has different surface properties from a second modified surface pattern of the plurality of modified surface patterns. The method further includes outputting the fluid through a second opening in the substrate.Type: GrantFiled: March 6, 2018Date of Patent: April 27, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yi-Shao Liu, Chun-Wen Cheng, Chun-Ren Cheng