Patents by Inventor PO CHANG

PO 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).

  • Patent number: 11855007
    Abstract: A semiconductor structure includes a semiconductor device, a plurality of through semiconductor vias (TSV), a first seal ring, and a second seal ring. The TSVs are in the semiconductor device. Each of the TSVs has a first surface and a second surface opposite to the first surface. The first seal ring is located in proximity to an edge of the semiconductor structure and is physically connected to the first surface of each of the TSVs. The second seal ring is physically connected to the second surface of each of the TSVs.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rung-De Wang, Chen-Hsun Liu, Chin-Yu Ku, Te-Hsun Pang, Chia-Hua Wang, Pei-Shing Tsai, Po-Chang Lin
  • Publication number: 20230405244
    Abstract: A nebulizer includes a main body (1), a spraying head (2) and an engagement structure (4). The main body (1) includes a body (11). The spraying head (2) includes a spraying seat (21) assembled to the body (11). The engagement structure (4) includes a notch (41) formed on one of the body (11) and the spraying seat (21), a T-shaped trench (42) formed on an inner wall of the notch (41), an engaging trench (43) formed on another one of the body (11) and the spraying seat (21), and a movable member (44) received in the notch (41). The movable member (44) is extended with a handle (441) exposed from the notch (41), a T-shaped block (442) slidably received in the T-shaped trench (42) and an engaging block (443) embedded in or separated from the engaging trench (43).
    Type: Application
    Filed: May 26, 2022
    Publication date: December 21, 2023
    Inventors: Po-Chang CHEN, Hsin-Chen WANG, Chia-Chin YANG, Hao-Hsiang CHEN, Chun-Wei HSU
  • Publication number: 20230395669
    Abstract: Semiconductor devices and methods are provided. An exemplary method according to the present disclosure includes providing a workpiece having a channel region, a gate structure over the channel region, gate spacers extending along sidewalls of the gate structure, and an etch stop layer extending along sidewalls of the gate spacers. The method also includes performing an etching process to recess the gate spacers and the gate structure, thereby forming a funnel-shaped trench, depositing a dielectric layer over the workpiece to partially fill the funnel-shaped trench, etching back the dielectric layer to form dielectric spacers on the recessed gate spacers, forming a metal cap on the gate structure without forming the metal cap on the recessed gate spacers, and forming a dielectric cap on the metal cap.
    Type: Application
    Filed: June 4, 2022
    Publication date: December 7, 2023
    Inventors: Yu-Hsuan Lin, Chun Po Chang, Chen-Ming Lee, Fu-Kai Yang, Mei-Yun Wang, Jian-Hao Chen
  • Publication number: 20230378773
    Abstract: An example foldable mobile computing device includes a first side comprising: a first power storage device (PSD); a first charger configured to output current to charge the first PSD; and a first reverse blocking component; a second side configured to articulate relative to the first side about a hinge, the second side comprising: a second PSD; a second charger configured to output current to charge the second PSD; and a second reverse blocking component; a flexible printed circuit connected to the first side and the second side; and one or more components configured to operate using power sourced, in parallel, from the first PSD and the second PSD, wherein the power sourced by the one or more components from the first PSD flows through the first reverse blocking component and the power sourced by the one or more components from the second PSD flows through the second reverse blocking component.
    Type: Application
    Filed: October 8, 2020
    Publication date: November 23, 2023
    Inventors: ChiaMing Chang, Weichih Liao, Po-chang Lu, JhengFong Lyu, Chung-Yi Pan
  • Publication number: 20230372640
    Abstract: A nebulizer (1) includes a host (10) and a nozzle tube (20). The host includes a main body (11), a control module (12) and a sensor (13). The nozzle tube (20) includes a tube (21), a nozzle (22) and a detecting structure (23). The tube (21) includes a chamber (210). The nozzle (22) is arranged on one side of the tube (21) and communicates with the chamber (210). The detecting structure (23) includes a shutter (231) and a swinging member (232) connected with the shutter (231). The shutter (231) is disposed corresponding to the position of the sensor (13). The air blown from the nozzle (22) flows into the tube (21) and blows the swinging member (232) to drive the shutter (231) to activate the sensor (13).
    Type: Application
    Filed: May 20, 2022
    Publication date: November 23, 2023
    Inventors: Po-Chang CHEN, Hsin-Chen WANG, Chia-Chin YANG, Hao-Hsiang CHEN, Chun-Wei HSU
  • Patent number: 11801195
    Abstract: A negative pressure massage apparatus includes a vacuum pump, two solenoid valves and a control board. The vacuum pump is used to generate a negative pressure outside the negative pressure massage apparatus. Two solenoid valves are used to control a gas flow input into the negative pressure massage apparatus. The control board is used to activate or stop at least one of the vacuum pumps, and the two solenoid valves. The present disclosure further includes a method of using the negative pressure massage apparatus.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: October 31, 2023
    Assignee: BIBOTING INTERNATIONAL CO., LTD.
    Inventors: Shih-Ta Liu, Po-Chang Liu, Pei-En Lee
  • Publication number: 20230339957
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro- [3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton’s tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 26, 2023
    Applicant: Genentech, Inc.
    Inventors: Chen MAO, Dawen KOU, Po-Chang CHIANG
  • Publication number: 20230330901
    Abstract: Present invention is related to an evenly heating method for enhancing heating result having steps of: introducing a foam material into a mould, compressing the foam material by a mechanical force to a preset thickness or status, and heating the foam material to obtain a foam product. By applying the mechanical force to the foam material during the process, the foam material could be compressed into a more compact status in order to be heated more evenly and thoroughly. The present invention provides the foam product in good quality by a simple and low cost heating method.
    Type: Application
    Filed: April 14, 2022
    Publication date: October 19, 2023
    Inventor: Po-Chang Lin
  • Publication number: 20230335622
    Abstract: A method for fabricating semiconductor device includes the steps of: forming fin-shaped structures on a substrate; using isopropyl alcohol (IPA) to perform a rinse process; performing a baking process; and forming a gate oxide layer on the fin-shaped structures. Preferably, a duration of the rinse process is between 15 seconds to 60 seconds, a temperature of the baking process is between 50° C. to 100° C., and a duration of the baking process is between 5 seconds to 120 seconds.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 19, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Po-Chang Lin, Bo-Han Huang, Chih-Chung Chen, Chun-Hsien Lin, Shih-Hung Tsai, Po-Kuang Hsieh
  • Publication number: 20230324597
    Abstract: A backlight module includes a light guide plate, a light source, and an optical film. The light guide plate has a light incident surface and a light exiting surface opposite to the light incident surface, in which the light exiting surface has a normal line. The light source is adjacent to the light incident surface. The optical film is disposed to the light exiting surface and includes plural parallel prisms and plural microstructures. An extending direction of each of the prisms is perpendicular to the normal line, and each of the prisms faces the light exiting surface of the light guide plate. Each of the microstructures is located on a surface of the optical film which faces away from the light guide plate. Each of the microstructures has a pyramid structure with plural facets. The prisms are located between the microstructures and the light exiting surface.
    Type: Application
    Filed: March 24, 2023
    Publication date: October 12, 2023
    Inventors: Chia-Yin CHANG, Po-Chang HUANG, Kun-Cheng LIN
  • Publication number: 20230300046
    Abstract: A packet information analysis method and a network traffic monitoring device are disclosed. The method includes the following. Network flow data including a plurality of network packets is obtained. An index parameter is generated according to packet information (e.g., header information) of the first network packet among the network flow. A target mapping model is determined from a plurality of candidate mapping models according to the index parameter. The index parameter is between a first sampling point and a second sampling point of the target mapping model. An interpolation mapping value is obtained according to the index parameter, the first sampling point, the second sampling point, and the target mapping model. An evaluation value is obtained according to the interpolation mapping value. The evaluation value reflects a distribution status of a monitoring item in the network traffic flows.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 21, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Yu-Kuen Lai, Cheng-Lin Tsai, Kai-Po Chang
  • Publication number: 20230264039
    Abstract: A light therapy device used for a negative-pressure cup is provided. The light therapy device includes a carrier, a light therapy assembly, a negative ion assembly and a needle protection cap. The carrier is disposed in the negative-pressure cup and includes a panel. The light therapy assembly and the negative ion assembly are disposed in the carrier. The negative ion assembly includes a releasing needle. The releasing needle projects out from the panel to release negative ions. The needle protection cap covers the panel corresponding to the releasing needle to shield the releasing needle. Therefore, the light therapy assembly and the negative ion assembly may be associated with the negative-pressure cup for usage, and the needle protection cap may prevent the user from being stabbed.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Po-Chang LIU, Chia-Hsueh HSIEH
  • Publication number: 20230269313
    Abstract: An example foldable mobile computing device includes a first side including a first power storage device coupled to a first regulator. The device includes a second side including a second power storage device coupled to a second regulator and connected in parallel with the first power storage device. The second side is configured to articulate relative to the first side about a hinge. The device includes processing circuitry configured to determine a power storage capacity of the first power storage device and to determine a power storage capacity of the second power storage device. The device is also configured to adjust, based on the power storage capacity of the first power storage device and the power storage capacity of the second power storage device, at least one of an impedance of the first regulator or an impedance of the second regulator.
    Type: Application
    Filed: September 4, 2020
    Publication date: August 24, 2023
    Inventors: ChiaMing Chang, Weichih Liao, JhengFong Lyu, Po-chang Lu, Chung-Yi Pan
  • Publication number: 20230263699
    Abstract: A negative-pressure massaging device capable of volatilizing essential oil is provided. The negative-pressure massaging device includes a negative-pressure cup and an essential oil volatilizing structure. The essential oil volatilizing structure is disposed in the negative-pressure cup and includes a heat conducting unit, a heating unit, and an essential oil unit. The heating unit is disposed on and contacts the heat conducting unit to heat the heat conducting unit. The essential oil unit is disposed on and contacts the heat conducting unit to be heated. The essential oil unit is heated by the heat conducting unit to volatilize essential oil into the negative-pressure cup. Accordingly, an aromatherapy may be provided when a negative-pressure massaging treatment is performed.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Po-Chang LIU, Chia-Hsueh HSIEH
  • Publication number: 20230263698
    Abstract: A negative pressure massage apparatus for men and a massage structure thereof are provided. The massage structure includes a cup and a mounting ring. The cup includes a cavity. An opening end and a sealed end are formed at two ends of the cup respectively. The opening end includes a cup edge formed thereon, and the sealed end includes a connecting hole communicating to the cavity. The mounting ring includes a ring member and a receiving seat extended from the ring member. The ring member is mounted on the cup edge, and the receiving seat is inserted in the cavity. Accordingly, massage for the male reproductive organ may be provided in conjunction with acupuncture point massage for its surrounding area at the same time.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Po-Chang LIU, Li-Pin YUAN
  • Publication number: 20230263697
    Abstract: A female-specific massage device and massage structure thereof are disclosed. The massage structure includes a cup body and a sheath ring. The cup body has a cavity, and two ends of the cup body are an open end and a closed end respectively, and a cup rim is formed at the open end, and a connection hole is formed at the closed end and communicates with the cavity. The sheath ring includes a ring body and a fixing portion extended outwardly from the ring body, and the ring body sheathes the cup rim, and the fixing portion is extended into the cavity. In this way, the massage device and structure not just provide a massage to the reproductive organ only, but also provide a massage to the acupuncture points around the reproductive organ.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Po-Chang LIU, Li-Pin YUAN
  • Patent number: 11731323
    Abstract: Present invention is related to a microwave and electromagnetic heated foaming method, mold and foaming material thereof. The microwave and electromagnetic heated foaming method comprises steps of adding a foam material into a mold, simultaneously applying a microwave and electromagnetic energy toward the mold under a normal or low pressure, and the microwave and electromagnetic energy made the foam material into molded foam body. The mold of the present invention has a microwave penetrating part and an electromagnetic heating part. The microwave penetrating part has an extruded bottom that is corresponded to a dented top of the electromagnetic heat penetrating part. By utilizing the microwave and electromagnetic energy, the present invention is about to provide an efficient way for processing the foaming material compared to the conventional infrared or electrical heated tube heating and achieve the foam method that can be executed under normal or low pressure.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: August 22, 2023
    Assignee: Herlin Up Co., Ltd.
    Inventors: Po-Chang Lin, Kuang-Tse Chin, Jung-Hsiang Hsieh, Ya-Chun Yu
  • Patent number: 11735646
    Abstract: A method for fabricating semiconductor device includes the steps of: forming fin-shaped structures on a substrate; using isopropyl alcohol (IPA) to perform a rinse process; performing a baking process; and forming a gate oxide layer on the fin-shaped structures. Preferably, a duration of the rinse process is between 15 seconds to 60 seconds, a temperature of the baking process is between 50° C. to 100° C., and a duration of the baking process is between 5 seconds to 120 seconds.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: August 22, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Po-Chang Lin, Bo-Han Huang, Chih-Chung Chen, Chun-Hsien Lin, Shih-Hung Tsai, Po-Kuang Hsieh
  • Patent number: D1001787
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 17, 2023
    Assignee: Verizon Patent and Licensing Inc.
    Inventors: Robert Stewart, Andrew Nicholas Toth, Amrit Bamzai, Christopher Emmons, Reid Schlegel, Po-Chang Chu, Yi-Chieh Lin, Ming-Hung Hung, Bo-Yen Chen, Man Ning Lu, Lan-Chun Yang, Bing-Chun Chung, Chun-Wei Wang, Bau-Yi Huang
  • Patent number: D1008472
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: December 19, 2023
    Assignees: BIBOTING INTERNATIONAL CO., LTD.
    Inventors: Shih-Ta Liu, Po-Chang Liu, Pei-En Lee