Patents by Inventor Wei Chao

Wei Chao 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).

  • Patent number: 11227175
    Abstract: A method for performing automatic license plate recognition includes: performing character detection on a to-be-processed image; when a number of character objects constituting characters of a license plate are detected, obtaining a representative point for each character object; calculating a pattern line with respect to the character objects; calculating a skew angle defined by the pattern line and a preset reference line; rotating each character object based on the skew angle to obtain an adjusted image; and performing character recognition on the adjusted image to obtain a recognized character for each character object.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 18, 2022
    Assignee: Merit Lilin Ent. Co., Ltd.
    Inventors: Cheng-Chung Hsu, Chih-Kang Hu, Chi-Yen Cheng, Hong-Wei Chao
  • Publication number: 20220000817
    Abstract: Provided herein is a method for treating a subject afflicted with a metastatic cancer. The method includes, administering to the subject an effective amount of an agent capable of suppressing the expression of a nucleic of EF-hand domain-containing protein D2 (EFHD2) or a polypeptide encoded by the nucleic acid in the metastatic cancer of the subject. The agent may be a 2-aryl propionic acid (2-APA) compound, or a short hairpin ribonucleic acid (shRNA) that directs cleavage of EFHD2 gene RNA via RNA interference. Also provided herein is a method for detecting and/or diagnosing whether a subject having a metastatic cancer via a biological sample of the subject.
    Type: Application
    Filed: November 1, 2019
    Publication date: January 6, 2022
    Applicant: Academia Sinica
    Inventors: Wei-Chao CHANG, Chung-Hsuan CHEN
  • Patent number: 11217732
    Abstract: The present invention provides a white light LED package structure and a white light source system, which includes a substrate, an LED chip, and a wavelength conversion material layer. The peak emission wavelength of the LED chip is between 400 nm and 425 nm; the peak emission wavelength of the wavelength conversion material layer is between 440 nm and 700 nm, and the wavelength conversion material layer absorbs light emitted from the LED chip and emits a white light source; and the emission spectrum of the white light source is set as P(?), the emission spectrum of a blackbody radiation having the same color temperature as the white light source is S(?), P(?max) is the maximum light intensity within 380-780 nm, S(?max) is the maximum light intensity of the blackbody radiation within 380-780 nm, D(?) is a difference between the spectrum of the white light LED and the spectrum of the blackbody radiation, and within 510-610 nm, the white light source satisfies: D(?)=P(?)/P(?max)?S(W)/S(?max), ?0.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 4, 2022
    Assignee: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Senpeng Huang, Junpeng Shi, Weng-Tack Wong, Shunyi Chen, Zhenduan Lin, Chih-Wei Chao, Chen-Ke Hsu
  • Publication number: 20210408174
    Abstract: The present application provides a display substrate, a display panel, and a display device. The display substrate includes a substrate layer. The substrate layer includes a first substrate portion and a second substrate portion joined to each other. The first substrate portion is made of a first substrate material and configured to be disposed opposite to a photosensitive element. The second substrate portion is made of a second substrate material. A light transmittance of the first substrate material is larger than or equal to a light transmittance threshold, and a light transmittance of the second substrate material is smaller than the light transmittance threshold.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Applicant: HEFEI VISIONOX TECHNOLOGY CO., LTD.
    Inventors: Wei CHAO, Peng LIAO, Zhonglai WANG, Xiaojia LIU, Jingli CHEN, Buwei PAN, Huayun HOU
  • Publication number: 20210395573
    Abstract: The present invention is related to a high frequency easy melting multiple layered structure, which includes a high frequency easy melting coating layer; a high frequency easy melting adhesive layer installed below the high frequency easy melting coating layer and a high frequency easy melting thermoplastic polyurethane (TPU) substrate placed below the high frequency easy melting adhesive layer. They serve to reduce the energy and time period in the high frequency melting and connection so as to promote producing speed and capacity effectively.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 23, 2021
    Inventors: CHIH YI LIN, KUO KUANG CHENG, CHIEN CHIA HUANG, CHIA HO LIN, CHIEN MIN WU, WEI CHAO WANG
  • Publication number: 20210383168
    Abstract: A method for labeling image comprises: obtaining a target image of a target object; generating a reconstruction image according to the target image and a reconstruction model, wherein the reconstruction model is trained with a plurality of reference images and a machine learning algorithm, each of the reference images is an image of a reference object whose defect level is in a tolerable range with an upper limit, and each of the reference objects is associated with the target object; generating a first difference image and a second difference image respectively by performing a first difference algorithm and a second difference algorithm respectively according to the target image and the reconstruction image; and generating an output image by performing a pixel-scale operation according to the first difference image and the second difference image, wherein the output image includes a label indicating a defect of the target object.
    Type: Application
    Filed: June 18, 2020
    Publication date: December 9, 2021
    Inventors: YI-CHUN CHEN, Trista Pei-Chun Chen, Daniel Stanley Young Tan, Wei-Chao Chen
  • Publication number: 20210383526
    Abstract: A method for training a defect detector comprises: obtaining a first reference image of a first reference object, wherein the first reference object has a defect and the first reference image has a first label indicating the defect; training a reconstruction model according to a second reference image of a second reference object associated with the first reference object, wherein a defect level of the second reference object is in a tolerable range with an upper limit; obtaining a target image of a target object associated with the first reference object and the second reference object; generating a second label according to the target image, the reconstruction model and an error calculation procedure, wherein the second label comprises a defect of the target object; and training a defect detector by performing a machine learning algorithm according to the first reference image, the target image and the second label.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 9, 2021
    Inventors: YI-CHUN CHEN, Trista Pei-Chun CHEN, Daniel Stanley Young Tan, Wei-Chao CHEN
  • Patent number: 11176419
    Abstract: A method for labeling image comprises: obtaining a target image of a target object; generating a reconstruction image according to the target image and a reconstruction model, wherein the reconstruction model is trained with a plurality of reference images and a machine learning algorithm, each of the reference images is an image of a reference object whose defect level is in a tolerable range with an upper limit, and each of the reference objects is associated with the target object; generating a first difference image and a second difference image respectively by performing a first difference algorithm and a second difference algorithm respectively according to the target image and the reconstruction image; and generating an output image by performing a pixel-scale operation according to the first difference image and the second difference image, wherein the output image includes a label indicating a defect of the target object.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: November 16, 2021
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Yi-Chun Chen, Trista Pei-Chun Chen, Daniel Stanley Young Tan, Wei-Chao Chen
  • Publication number: 20210291339
    Abstract: A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Publication number: 20210282657
    Abstract: A method for dynamically switching blood pressure measurement model, adapted to a wearable blood pressure measurement device with a biosignal sensing assembly and a processor, wherein said biosignal sensing assembly comprises two exposed electrodes, comprises: obtaining potential difference by said two exposed electrodes; determining whether potential difference is smaller than potential threshold by processor; obtaining first biosignal of specified user by biosignal sensing assembly when potential difference is smaller than the potential threshold; calculating first blood pressure value by processor according to at least first biosignal and first blood pressure model and outputting first blood pressure value; obtaining second biosignal of specified user by biosignal sensing assembly when potential difference is not smaller than the potential threshold, wherein types of first and second biosignal are different; and calculating second blood pressure value by processor according to second biosignal and second b
    Type: Application
    Filed: May 14, 2020
    Publication date: September 16, 2021
    Inventors: Trista Pei-Chun CHEN, Jonathan Hans Soeseno, Wei-Chao Chen
  • Publication number: 20210282720
    Abstract: A method of establishing blood pressure model comprising: obtaining a plurality of first physiologic data of a plurality of general users and a plurality of first blood pressure data of the plurality of general users; performing a deep learning algorithm to establish a general blood pressure model according to the plurality of first physiologic data and the plurality of first blood pressure data, wherein the general blood pressure model has a parameter set and a loss function; obtaining a second physiologic data of a specific user and a second blood pressure data of the specific user; generating a blood pressure estimation according to the second physiologic data and the parameter set; calculating an error according to the blood pressure estimation, the second blood pressure data and the loss function; and adjusting the parameter set to establish a specific blood pressure model according to the error.
    Type: Application
    Filed: April 15, 2020
    Publication date: September 16, 2021
    Inventors: JONATHAN HANS SOESENO, Trista Pei-Chun CHEN, Wei-Chao CHEN
  • Patent number: 11086221
    Abstract: A first photoresist pattern and a second photoresist pattern are formed over a substrate. The first photoresist pattern is separated from the second photoresist pattern by a gap. A chemical mixture is coated on the first and second photoresist patterns. The chemical mixture contains a chemical material and surfactant particles mixed into the chemical material. The chemical mixture fills the gap. A baking process is performed on the first and second photoresist patterns, the baking process causing the gap to shrink. At least some surfactant particles are disposed at sidewall boundaries of the gap. A developing process is performed on the first and second photoresist patterns. The developing process removes the chemical mixture in the gap and over the photoresist patterns. The surfactant particles disposed at sidewall boundaries of the gap reduce a capillary effect during the developing process.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 10, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wei-Chao Chiu, Chih-Chien Wang, Feng-Jia Shiu, Ching-Sen Kuo, Chun-Wei Chang, Kai Tzeng
  • Patent number: 11077168
    Abstract: The present invention relates to a new use of an immunomodulatory protein derived from Ganoderma or a recombinant or a composition thereof in reducing damage caused by fine particulate matter on embryos and offspring. Accordingly, the present invention suggests that the Ganoderma immunomodulatory protein administrated to pregnant animals can prevent neurological damages and reduce risk of disorders in embryos and offspring.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 3, 2021
    Assignee: MYCOMAGIC BIOTECHNOLOGY CO., LTD
    Inventor: Ming Wei Chao
  • Patent number: 11051372
    Abstract: A wireless lamp-driving device with an independent power source and a lamp system including the same are provided. The lamp system is composed at least of a light-emitting diode (LED) lamp, a stationary switching device, and a wireless controller, wherein the wireless lamp-driving device, the stationary switching device and the wireless controller have their respective power sources, the wireless lamp-driving device is connected to the stationary switching device and the wireless controller separately in a wireless manner, and is configured to receive wireless signals from the stationary switching device and the wireless controller in order to control the light emission states of the LED lamp according to the contents of each wireless signal received.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 29, 2021
    Inventor: Chin-Wei Chao
  • Publication number: 20210193705
    Abstract: A method includes forming a first photoresist layer on a front side of a device substrate and having first trenches spaced apart from each other. A first implantation process is performed using the first photoresist layer as a mask to form first isolation regions in the device substrate. A second photoresist layer is formed on the front side and has second trenches. A second implantation process is performed using the second photoresist layer as a mask to form second isolation regions in the device substrate and crossing over the first isolation regions. A third photoresist layer is formed on the front side and has third trenches spaced apart from each other. A third implantation process is performed using the third photoresist layer as a mask to form third isolation regions in the device substrate and crossing over the first isolation regions but spaced apart from the second isolation regions.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 24, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wei-Chao CHIU, Chun-Wei CHANG, Ching-Sen KUO, Feng-Jia SHIU
  • Publication number: 20210184087
    Abstract: A packaged ultraviolet light-emitting device includes a support member, at least one ultraviolet light-emitting chip, and an encapsulating cover. The support member has opposite top and bottom surfaces, a side surface interconnecting the top and bottom surfaces, and at least one indentation. The ultraviolet light-emitting chip is disposed on the top surface of the support member. The encapsulating cover is made from a fluorine-containing resin, and is disposed over and in contact with the ultraviolet light-emitting chip and the top surface and the indentation of the support member. The encapsulating cover extends into the indentation. A production method of the packaged ultraviolet light-emitting device is also disclosed.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Jianbin TU, Yanqiu LIAO, Junpeng SHI, Chih-wei CHAO, Weng-Tack WONG
  • Patent number: 11035802
    Abstract: A surface defect detection method applied to a surface of an object is disclosed. The method includes obtaining an image of the surface, performing a deep learning algorithm by a computing device to set a plurality of bounding boxes in the image and to output a plurality of feature parameter sets associated with the plurality of bounding boxes, with each bounding box enclosing a possible defect of the surface, and performing a classifying algorithm by the computing device according to the bounding boxes and the feature parameters to determine whether the surface conforms to a specification.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: June 15, 2021
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Trista Pei-Chun Chen, Wei-Chao Chen, Shih-Sung Lin
  • Patent number: 11027404
    Abstract: A power tool includes a housing having a motor housing portion and a front casing coupled to the motor housing portion. The power tool also includes an electric motor positioned within the motor housing portion, a drive assembly having an output shaft to which a tool element for performing work on a workpiece is attachable, and a powdered metal bushing disposed within the front casing that rotatably supports the output shaft.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 8, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Publication number: 20210151554
    Abstract: A capacitor and a manufacturing method thereof are provided. The capacitor includes a cup-shaped lower electrode, a capacitive dielectric layer, an upper electrode, and a support layer. The support layer includes an upper support layer surrounding an upper portion of the cup-shaped lower electrode, a middle support layer surrounding a middle portion of the cup-shaped lower electrode, and a lower support layer surrounding a lower portion of the cup-shaped lower electrode. Surfaces of the upper support layer, the middle support layer, and the lower support layer are covered by the capacitive dielectric layer.
    Type: Application
    Filed: September 25, 2020
    Publication date: May 20, 2021
    Applicant: Winbond Electronics Corp.
    Inventors: Yu-Ping Hsiao, Wei-Chao Chou, Ming-Tang Chen, CHEOL SOO PARK
  • Patent number: 11005008
    Abstract: A light emitting device includes an LED chip, a light-transmissible member and a light-reflecting member. The LED chip has a plurality of interconnecting side surfaces having a roughened structure and a plurality of corners. The light-transmissible member covers the side surfaces and the corners and includes a light-transmissible material layer having a breadth value W(A) of a viscosity coefficient (A) range of the light-transmissible material, which satisfies a relation of W(A)?B*D/C: where B represents a thickness of the light-transmissible material layer, represents a thickness of the LED chip measured from the first surface to the second surface, and D represents a roughness of the roughened structure. A method for manufacturing the light emitting device is also provided.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: May 11, 2021
    Assignee: Xiamen San'An Optoelectronics Co., Ltd.
    Inventors: Senpeng Huang, Zhen-duan Lin, Weng-Tack Wong, Junpeng Shi, Shunyi Chen, Chih-Wei Chao, Chen-ke Hsu