Patents by Inventor Yi-Chi Wang

Yi-Chi Wang 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: 11993689
    Abstract: The present invention relates to a foamable composition used to prepare foamed thermoplastic polyurethane and a microwave molded body thereof. The foamable composition includes unfoamed thermoplastic polyurethane particles, a thickener or a bridging agent, and a foaming agent, wherein the unfoamed thermoplastic polyurethane particles have a viscosity of 1,000 poise to 9,000 poise measured at 170° C. according to JISK 7311 test method.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: May 28, 2024
    Assignee: SUNKO INK CO., LTD.
    Inventors: Ting-Kai Huang, Yi-Jung Huang, Hsin-Hung Lin, Hong-Yi Lin, Ya-Chi Wang
  • Patent number: 11996165
    Abstract: A memory chip includes a first decoding device and a memory device. The first decoding device is configured to generate multiple word line signals. The memory device is configured to generate a third data signal based on a first data signal and a second data signal. The memory device includes a first memory circuit and a second memory circuit. The first memory circuit is configured to generate the first data signal at a first node according to the word line signals during a first period. The second memory circuit is configured to generate the second data signal at a second node different from the first node according to the word line signals during a second period after the first period. A method of operating a memory chip is also disclosed herein.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: May 28, 2024
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Hsiang-Chi Cheng, Shyh-Bin Kuo, Yi-Cheng Lai, Chung-Hung Chen, Shih-Hsien Yang, Yu-Chih Wang, Kuo-Hsiang Chen
  • Patent number: 11982866
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: May 14, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Chen-Er Hsu, Yi-Liang Chan, Fu-Lai Tseng, Fu-Yuan Wu, Chen-Chi Kuo, Ying-Jen Wang, Wei-Han Hsia, Yi-Hsin Tseng, Wen-Chang Lin, Chun-Chia Liao, Shou-Jen Liu, Chao-Chun Chang, Yi-Chieh Lin, Shang-Yu Hsu, Yu-Huai Liao, Shih-Wei Hung, Sin-Hong Lin, Kun-Shih Lin, Yu-Cheng Lin, Wen-Yen Huang, Wei-Jhe Shen, Chih-Shiang Wu, Sin-Jhong Song, Che-Hsiang Chiu, Sheng-Chang Lin
  • Publication number: 20240142748
    Abstract: An optical system is provided. The optical system is used for disposing on an electronic device. The optical system includes a movable portion, a fixed portion, a first driving assembly, and a support module. The movable portion is used for connecting to an optical module. The fixed portion is affixed on the electronic device, and the movable portion is movable relative to the fixed portion. The first driving assembly is used for driving the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion through the support module.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Inventors: Ying-Jen WANG, Ya-Hsiu WU, Chen-Chi KUO, Chao-Chang HU, Yi-Ho CHEN, Che-Wei CHANG, Ko-Lun CHAO, Sin-Jhong SONG
  • Patent number: 11933946
    Abstract: An optical imaging lens includes first, second, third, fourth, fifth, and sixth lens elements sequentially along an optical axis from an object side to an image side. Each of the first to the sixth lens elements includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. The optical imaging lens satisfies conditions of Gallmax/Fno?3.600 millimeters, EFL/ImgH?3.200, and Gallmax/Tavg?3.300; here, Gallmax represents a largest air gap along the optical axis between the first lens element and an image plane, Fno, EFL, and ImgH respectively represent an F-number, an effective focal length, and an image height of the optical imaging lens, and Tavg represents an average lens element thickness of all of the lens elements along the optical axis from the object side to the image plane.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: March 19, 2024
    Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Pei-Chi Wang, Yi-Ling Huang
  • Publication number: 20240090233
    Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Po-Wei Wang, Yi-An Shih, Huan-Chi Ma
  • Publication number: 20240086633
    Abstract: A method for generating and outputting a message is implemented using an electronic device the stores a computer program product and a text database. The text database includes a main message template, a template text that includes a placeholder, and a word group that includes a plurality of preset words for replacing the placeholder. The method includes: in response to receipt of a command for execution of the computer program product, displaying an editing interface including the main message template; in response to receipt of user operation of a selection of the main message template, displaying the template text; in response to receipt of user operation of a selection of one of the preset words via the user interface, generating an edited text by replacing the placeholder with the one of the preset words in the template text; and outputting the edited text as a message.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 14, 2024
    Inventors: Yi-Ru CHIU, Ting-Yi LI, Hong-Xun WANG, Jin-Lin CHEN, Chih-Hsuan YEH, Chia-Chi YIN, Wei-Ting LI, Po-Lun CHANG
  • Patent number: 11905235
    Abstract: The present invention provides a method for preparing 2,2-bis(4-hydroxycyclohexyl)propane, comprising: hydrogenating a reactive solution containing 2,2-bis(4-hydroxyphenyl)propane under a hydrogen atmosphere in a reactor with catalyst within a temperature range of 80-165° C. and a pressure range of 85-110 kg/cm2 to prepare the 2,2-bis(4-hydroxycyclohexyl)propane. The method of present invention has an advantage of high yield properties and achieves mass production easily, thereby enhancing the value of the industrial application.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: February 20, 2024
    Assignee: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)
    Inventors: Yi-Chi Wang, Hsin-Wei Chang, Weng-Keong Tang, Chia-Hui Shen
  • Publication number: 20230150903
    Abstract: The present invention provides a method for preparing 2,2-bis(4-hydroxycyclohexyl)propane, comprising: hydrogenating a reactive solution containing 2,2-bis(4-hydroxyphenyl)propane under a hydrogen atmosphere in a reactor with catalyst within a temperature range of 80-165° C. and a pressure range of 85-110 kg/cm2 to prepare the 2,2-bis(4-hydroxycyclohexyl)propane. The method of present invention has an advantage of high yield properties and achieves mass production easily, thereby enhancing the value of the industrial application.
    Type: Application
    Filed: June 14, 2022
    Publication date: May 18, 2023
    Applicant: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)
    Inventors: Yi-Chi WANG, Hsin-Wei CHANG, Weng-Keong TANG, Chia-Hui SHEN
  • Publication number: 20220152608
    Abstract: A microtube assembly includes a column container, a sealing cap and a collecting tube. The column container includes a column body having a first protruding structure, and the one end of the column body has an opening and a first outer thread. The sealing cap has an inner thread matching up with the first outer thread, and the sealing cap is sealed the opening of the column container by the inner thread screwed on the first outer thread of the column body. The collecting tube includes a collecting tube body having a containing space and a matching structure corresponding to the first protruding structure. The containing space is configured for containing the column container. The matching structure leans against the first protruding structure when the sealing cap seals the column container.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 19, 2022
    Inventors: CHUNG-CHE LO, YI-CHI WANG
  • Publication number: 20210327745
    Abstract: A pickup and contact device is adapted to be connected to a moving device to move a picked-up electronic element to an electrical testing zone. The moving device pressurizes the electronic element through the pickup and contact device, so that a contact point of the electronic element stably contacts a contact pad of the electrical testing zone. The pickup and contact device includes a main body including a base and a contact portion and a plurality of heat dissipation fins disposed at two opposite sides of the base. The contact portion is adapted to pick up the electronic element and to move the electronic element to the electrical testing zone along with the moving device. When the electronic element is tested in the electrical testing zone, heat emitted from the electronic element is adapted to be transmitted out through the heat dissipation fins of the main body.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 21, 2021
    Applicant: Powertech Technology Inc.
    Inventors: Yi Chi Wang, Yu Kai Chuang
  • Patent number: 10800721
    Abstract: Provided is a method for preparing 2-cyclohexyl cyclohexanol, including: hydrogenating a cyclohexanone dimer with hydrogen gas at a temperature ranging from 150 to 250° C. in a reactor containing a catalyst to prepare 2-cyclohexylcyclohexanol, wherein the molar ratio of the hydrogen gas and oil ranges from 1 to 25. The method has advantages of high yield properties and allows for mass production, thereby enhancing the value of the industrial application.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: October 13, 2020
    Assignee: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION
    Inventors: Yi-Chi Wang, Hsin-Wei Chang, Weng-Keong Tang, Chia-Hui Shen
  • Patent number: 10622451
    Abstract: The present disclosure relates to a flash memory having a plurality of control gates, including: a substrate. An oxide layer disposed on the substrate. A fin-shaped channel layer disposed on the oxide layer, and includes a first end portion, a second end portion, a top surface and two side surfaces, wherein the top surface and the two side surfaces are located between the first end portion and the second end portion, the top surface faces away from the oxide layer and separates the two sides. The two charge storage structures are respectively disposed on the two sides of the fin channel layer. The two gates are disposed on the oxide layer and respectively contact with the two charge storage structures. Two word conductive pillars are connected to the two gates respectively and extending from the two gates in a direction leaving the oxide layer.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: April 14, 2020
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Darsen Duane Lu, Yi-Chi Wang, Huai Kuan Zeng