Patents by Inventor Min Chang

Min Chang 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).

  • Publication number: 20230329623
    Abstract: The present invention relates to a device and a method for analyzing an abnormal physiological signal, and the method for analyzing an abnormal physiological signal comprises the steps of: removing bio-signal noise generated by a sensor; estimating the signal quality of the bio-signal for a preset unit time; performing classification of an atrial fibrillation (AF), which is an abnormal signal, on the bio-signal for the unit time to classify same into an AF, which is an abnormal signal, and a normal sinus rhythm (NSR), which is a normal signal; determining whether an AF episode, which is an abnormal state episode, occurs and a duration time thereof, on the basis of the signal quality of preset number of consecutive unit times and the result of the classification of the AF, which is an abnormal signal; and calculating the load of the AF, which is an abnormal signal, on the basis of whether an AF episode, which is an abnormal state episode, occurs and the duration time thereof.
    Type: Application
    Filed: October 1, 2021
    Publication date: October 19, 2023
    Inventors: Byung Hwan LEE, Chang Hyun BAIK, Chang Hyun KIM, Chang Woo CHOI, Hyung Min CHANG, Sung Mi JO, Hae Na KIM, Dae Sung KIM, Yu Mi JI
  • Publication number: 20230330272
    Abstract: The present invention relates to a novel compound and an MRI contrast agent containing same. The compound according to the present invention can minimize MRI contrast agent side effects caused by the release of gadolinium ions within the body, on the basis of the outstanding kinetic stability, and can be very usefully employed as an MRI contrast agent for diagnosing liver diseases, owing to the superior level of contrast enhancement for the liver in an MRI image of the body in comparison with other organs.
    Type: Application
    Filed: October 5, 2021
    Publication date: October 19, 2023
    Inventors: Yong Min CHANG, Ah Rum BAEK
  • Patent number: 11789366
    Abstract: A method for removing a resist layer including the following steps is provided. A patterned resist layer on a material layer is formed. A stripping solution is applied to the patterned resist layer to dissolve the patterned resist layer without dissolving the material layer, wherein the stripping solution comprises a non-dimethyl sulfoxide solvent and an alkaline compound, the non-dimethyl sulfoxide solvent comprises an aprotic solvent and a protic solvent.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: October 17, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Tai-Min Chang
  • Patent number: 11785707
    Abstract: Provided is a circuit board, including a first substrate, a second substrate, a third substrate, a fourth substrate, multiple conductive structures, and a conductive via structure. The second substrate is disposed between the first substrate and the third substrate. The third substrate is disposed between the second substrate and the fourth substrate. The third substrate has an opening penetrating the third substrate and includes a first dielectric layer filling the opening. The conductive via structure penetrates the first substrate, the second substrate, the first dielectric layer of the third substrate, and the fourth substrate, and is electrically connected to the first substrate and the fourth substrate to define a signal path. The first substrate, the second substrate, the third substrate and the fourth substrate are electrically connected through the conductive structures to define a ground path, and the ground path surrounds the signal path.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: October 10, 2023
    Assignee: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Heng-Ming Nien, Ching-Sheng Chen, Ching Chang, Ming-Ting Chang, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Shih-Lian Cheng
  • Publication number: 20230310773
    Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: BMC MEDICAL CO., LTD.
    Inventors: Lijun LIU, Jianxin ZHI, Zhi ZHUANG, Min CHANG
  • Publication number: 20230310772
    Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: BMC MEDICAL CO., LTD.
    Inventors: Lijun LIU, Jianxin ZHI, Zhi ZHUANG, Min CHANG
  • Patent number: 11775076
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: October 3, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Yen-Min Chang, Nien-Tse Chen
  • Patent number: 11778427
    Abstract: A voice communication method between two or more wearable electronic devices via Bluetooth communication includes: providing the two or more wearable electronic devices paired with a mobile phone device; determining whether a distance between the two or more wearable electronic devices is larger than a distance threshold; controlling a wearable electronic device to enter a walkie-talkie mode to start a walkie-talkie conversation with one or more other wearable electronic devices when the distance is larger than the distance threshold; and during the walkie-talkie mode using the such wearable electronic device to send voice data from the wearable electronic device to one or more other wearable electronic devices to make the other wearable electronic device(s) to receive and play the voice data in the walkie-talkie mode for different user(s).
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: October 3, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Shih-Feng Chen, Yen-Min Chang
  • Patent number: 11766530
    Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: September 26, 2023
    Assignee: BMC MEDICAL CO., LTD.
    Inventors: Lijun Liu, Jianxin Zhi, Zhi Zhuang, James Martin Coleman, Min Chang
  • Patent number: 11768903
    Abstract: A computer-implemented method for automatically adjusting a Uniform Resource Locator (URL) seed list. The method includes crawling for documents based on a seed URL list. The method generates relations data from the documents using a Natural Language Processing (NLP) model. The method analyzes the relations data using an auto-seed model. The method modifies the seed URL list.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: September 26, 2023
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chao-Min Chang, Ying-Chen Yu, June-Ray Lin, Kuei-Ching Lee, Curtis C H Wei
  • Patent number: 11769392
    Abstract: Methods of and devices for automatically reducing and/or eliminating false alarms to the call centers are disclosed. The method of reducing a false alarm notification to a call center can comprise receiving a triggered event notification on a mobile device, requesting a user to unlock the mobile device, and requesting the user to confirm a triggered alarm or dismiss the trigger notification using the mobile device using a non-GUI based user interface.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: September 26, 2023
    Assignee: INSTANT CARE, INC.
    Inventors: Richard Allen Darling, Fong-Min Chang, Chih-Cheng Tai
  • Publication number: 20230282023
    Abstract: There is provided an electronic device capable of improving the difficulty of breaking a digital electronic lock and the accuracy of gesture control. The electronic device is unlocked according to gestures of a single hand or two hands, an operation hand, a gesture position, a staying time of gesture and a gesture variation of a user. The electronic device further improves the accuracy of gesture control in conjunction with an accessory pattern, temperature sensing and space information of a wearable device. The present disclosure further provides an electronic device that identifies legitimacy of moving the electronic device according to a variation sequence of 3-axis accelerations of an accelerometer.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 7, 2023
    Inventors: NING SHYU, SHIH-FENG CHEN, HAN-LIN CHIANG, YEN-MIN CHANG, GUO-ZHEN WANG
  • Patent number: 11748464
    Abstract: A virtual reality (VR) system including a VR box, a system server and a wearable accessary is provided. The VR box detects a biometric characteristic to identify a user ID according to the biometric characteristic, and outputs an ID signal associated with the identified user ID. The system server receives the ID signal from the VR box, and transmits video stream to the VR box to be shown thereon. The wearable accessary detects movement of the wearable accessary after receiving the ID signal from the VR box, and sends a control signal to the system server to change image content in the video stream according to the detected movement of the wearable accessary.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 5, 2023
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang
  • Patent number: 11742317
    Abstract: A method includes encapsulating a device in an encapsulating material, planarizing the encapsulating material and the device, and forming a conductive feature over the encapsulating material and the device. The formation of the conductive feature includes depositing a first conductive material to from a first seed layer, depositing a second conductive material different from the first conductive material over the first seed layer to form a second seed layer, plating a metal region over the second seed layer, performing a first etching on the second seed layer, performing a second etching on the first seed layer, and after the first seed layer is etched, performing a third etching on the second seed layer and the metal region.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: August 29, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hui-Jung Tsai, Yun Chen Hsieh, Jyun-Siang Peng, Tai-Min Chang, Yi-Yang Lei, Hung-Jui Kuo, Chen-Hua Yu
  • Publication number: 20230267090
    Abstract: A charging system includes a source terminal and a sink terminal. The control method of the charging system includes transmitting a bus voltage by the source terminal, determining whether the sink terminal has entered a sink attached state when the sink terminal receives the bus voltage, enabling a message transceiver of the sink terminal if the sink terminal has entered the sink attached state, transmitting a source message to the transceiver of the sink terminal by the source terminal, transmitting a request message to the source terminal by the message transceiver of the sink terminal while the source terminal transmits the source message, and continuing to enable a communication function for communicating with the sink terminal and continuing to transmit the bus voltage to the sink terminal by the source terminal when the source terminal receives the request message.
    Type: Application
    Filed: July 18, 2022
    Publication date: August 24, 2023
    Applicant: RICHTEK TECHNOLOGY CORP.
    Inventors: Tzu-Hsuan Tseng, Tzu-Hsien Chuang, Sheng-Chun Lin, Hao-Chun Yang, Chien-Chih Huang, Heng-Min Chang, Tsung-Jung Wu, Yen-Tung Hung
  • Patent number: 11735667
    Abstract: A semiconductor device and method of manufacture are provided which help to support contacts while material is removed to form air gaps. In embodiments a contact is formed with an enlarged base to help support overlying portions of the contact. In other embodiments a scaffold material may also be placed prior to the formation of the air gaps in order to provide additional support.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: August 22, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ching-Feng Fu, Guan-Ren Wang, Yun-Min Chang, Yu-Lien Huang
  • Patent number: 11737209
    Abstract: A circuit board includes a first dielectric material, a second dielectric material, a third dielectric material, a first external circuit layer, a second external circuit layer, multiple conductive structures, and a conductive via structure. Dielectric constants of the first, the second and the third dielectric materials are different. The first and the second external circuit layers are respectively disposed on the first and the third dielectric materials. The conductive via structure at least penetrates the first and the second dielectric materials and is electrically connected to the first and the second external circuit layers to define a signal path. The conductive structures are electrically connected to each other and surround the first, the second and the third dielectric materials. The conductive structures are electrically connected to the first and the second external circuit layers to define a ground path surrounding the signal path.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: August 22, 2023
    Assignee: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Ming-Ting Chang
  • Publication number: 20230262890
    Abstract: A circuit board structure includes a substrate, a first build-up structure layer, first and second external circuit layers, at least one first conductive via, and second conductive vias. The first build-up structure layer is disposed on a first circuit layer of the substrate. The first external circuit layer is disposed on the first build-up structure layer. The second external circuit layer is disposed on a second circuit layer and a portion of a third dielectric layer of the substrate. The first conductive via is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias surround the first conductive via, and the first external circuit layer, the second conductive vias, the first circuit layer, the outer conductive layer, and the second external circuit layer define a first ground path. The first ground path surrounds the signal path.
    Type: Application
    Filed: September 7, 2022
    Publication date: August 17, 2023
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Chi-Min Chang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin, Jun-Rui Huang
  • Patent number: 11724905
    Abstract: A printer includes housing having reel mounted therein to support paper roll and paper exit formed in front panel thereof, printing mechanism positioned in the housing and printing head for printing an ink on the sheet of paper, paper cutter for cutting the sheet of paper and paper path defined between the printing head and the paper cutter for the passing of the leading end of the sheet of paper, and paper dispensing mechanism positioned in the housing, which includes drive module and paper dispensing roller set drivable by the drive module to carry the sheet of paper toward the paper exit. The paper dispensing roller set has two rollers made of a flexible and elastic material and pressed against each other. The distance between the center of the two rollers is less than the combination of the radius of the two rollers.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: August 15, 2023
    Assignee: INTERNATIONAL CURRENCY TECHNOLOGIES CORPORATION
    Inventor: Chia-Min Chang
  • Publication number: 20230252819
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 10, 2023
    Inventors: NIEN-TSE CHEN, YI-HSIEN KO, YEN-MIN CHANG