Patents by Inventor An-Chao Chang

An-Chao 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: 20240166788
    Abstract: A modified dicyclopentadiene-based resin is provided. The modified dicyclopentadiene-based resin is formed from a dicyclopentadiene-based resin having an amino group, a phenol and a polyoxymethylene by a cyclization reaction. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.
    Type: Application
    Filed: March 6, 2023
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Hung-Yi Chang, Yu-Ting Liu
  • Publication number: 20240166859
    Abstract: A resin composition is provided. The resin composition includes a resin mixture, a flame retardant, spherical silica and a siloxane coupling agent. The resin mixture includes a first resin polymerized by a monomer mixture comprising styrene, divinylbenzene and ethylene, a second resin polymerized by modified dicyclopentadiene diamine and maleic anhydride, and a SBS resin. The resin composition of the disclosure may have a high glass transition temperature and a low dielectric constant and a low dissipation factor after curing.
    Type: Application
    Filed: December 22, 2022
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Wei-Ru Huang, Hung-Yi Chang, Chia-Lin Liu
  • Publication number: 20240166817
    Abstract: A resin composition including a modified maleimide resin is provided. The modified maleimide resin is formed from a dicyclopentadiene (DCPD)-based resin having an amino group and a maleic anhydride by a condensation polymerization. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.
    Type: Application
    Filed: April 11, 2023
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Yu-Ting Liu, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang
  • Publication number: 20240158632
    Abstract: A resin composition is provided, which includes a novel low dielectric resin, a SBS resin, a cross-linking agent, a PPE resin, a halogen-free flame retardant, a spherical silica, and a siloxane coupling agent. The novel low dielectric resin is a maleimide resin. With the formula, the resin composition may improve resin fluidity and glass transition temperature (Tg) while maintaining low dielectric, thereby enhancing the overall processability.
    Type: Application
    Filed: December 5, 2022
    Publication date: May 16, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Wei-Ru Huang, Hung-Yi Chang, Chia-Lin Liu
  • Publication number: 20240160844
    Abstract: The present disclosure provides a synonym searching method, which includes steps as follows. When receiving the vocabulary and the definition of the vocabulary from the user device, the natural language processing model is used to search the synonym of the vocabulary from the data governance dictionary according to the definition of the vocabulary; after providing the synonym to the user device, feedback information about the synonym is received from the user device, and the feedback information is used as the token of the vocabulary for the natural language processing model.
    Type: Application
    Filed: February 8, 2023
    Publication date: May 16, 2024
    Inventors: Wei-Chao CHEN, Chen-I HUANG, Yu-Lun CHANG, Chuo-Jui WU, Chih-Pin WEI
  • Publication number: 20240163075
    Abstract: The present disclosure provides a privacy computing method based on homomorphic encryption, which includes steps as follows. The ciphertext data is received, where the ciphertext data has a floating-point homomorphic encryption data structure, and the floating-point homomorphic encryption data structure of the ciphertext data includes the ciphertext mantissa, exponent parameter and gain parameter. The gain parameter sets the precision of the floating point corresponding to the ciphertext mantissa. The exponent parameter is adapted to multiplication or division. The artificial intelligence model performs operations on the ciphertext data to return the ciphertext result.
    Type: Application
    Filed: February 17, 2023
    Publication date: May 16, 2024
    Inventors: Yu Te KU, Chih-Fan HSU, Wei-Chao CHEN, Feng-Hao LIU, Ming-Ching CHANG
  • Publication number: 20240161502
    Abstract: A method for detecting and correcting cycle time includes multiple steps performed by a computing device, and these steps include: obtaining a video from a camera, obtaining a bounding box from an input device, inputting the bounding box and the video to a cycle time detection model to generate a preliminary report, wherein the bounding box is used to set a region of interest in the video, the preliminary report includes a plurality of candidate events, and each candidate event includes a start time and a candidate cycle time, receiving a revision label associated with at least one candidate event from the input device, and tuning a hyper-parameter of the cycle time detection model according to the revision label.
    Type: Application
    Filed: February 9, 2023
    Publication date: May 16, 2024
    Inventors: Jing-Lun Huang, Yu-Lun Chang, Wei-Chao Chen
  • Publication number: 20240162321
    Abstract: A semiconductor structure includes a substrate, a dielectric wall, and two device units. The dielectric wall has two side surfaces opposite to each other. The two device units are respectively formed at the two side surfaces of the dielectric wall. Each of the device units includes channel features, a gate feature and a dielectric filler unit. The channel features are disposed on a corresponding one of the side surfaces of the dielectric wall, and spaced apart from each other. The gate feature is formed around the channel features and disposed on the corresponding one of the side surfaces of the dielectric wall. The dielectric filler unit includes a plurality of first dielectric fillers, each of which is disposed between the dielectric wall and a corresponding one of the channel features. The first dielectric fillers have a dielectric constant greater than that of the dielectric wall.
    Type: Application
    Filed: February 22, 2023
    Publication date: May 16, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Huang-Chao CHANG, Ta-Chun LIN, Chun-Sheng LIANG, Jhon-Jhy LIAW
  • Publication number: 20240161158
    Abstract: The present disclosure proposes a service plan automatic generation system and operation method thereof. The operation method includes a method for generating standardized items based on a service record, which includes the following steps: analyzing multiple instances to generate multiple feature tags, generating multiple word frequency vectors corresponding to the feature tags according to the instances, and performing an aggregation procedure for a plurality of times. Each time performing the aggregation procedure includes: executing a clustering algorithm to divide multiple instances into multiple groups, analyzing multiple variable parts and an identical part of multiple feature vectors in each group, outputting the variable parts as feature tag sets, and using the identical part as an index of the group, when a stop condition is detected, the index generated by the aggregation procedure in the last time is outputted as a standardized item.
    Type: Application
    Filed: March 1, 2023
    Publication date: May 16, 2024
    Inventors: Yu-Lun Chang, Wei-Chao Chen, Chih-Pin Wei, Yao Yu Chung, Ying Chieh Kung, Yu Chang Chang
  • Patent number: 11982860
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a fixed portion, a movable portion, an electromagnetic driving assembly and an elastic member. The fixed portion has a base and a frame that is disposed on the base. The movable portion is movable relative to the fixed portion, and includes a carrier for carrying an optical member with an incident optical axis. The carrier includes a body and a sidewall that extends along the edge of the body, wherein the carrier further includes a first stopping portion and a second stopping portion protruding towards the fixed portion. The electromagnetic driving assembly drives the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion via the elastic member.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: May 14, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chia-Che Wu, Sung-Mao Tsai, Chao-Chang Hu, Che-Wei Chang, Chen-Hsien Fan, Chih-Wei Weng
  • 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: 20240151936
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: March 27, 2023
    Publication date: May 9, 2024
    Inventors: Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO, Yi-Ho CHEN, Chao-Chang HU, Sin-Jhong SONG
  • Publication number: 20240149403
    Abstract: A socket includes multiple protrusions and grooves alternatively formed in the inner periphery of the central hole of the socket. Each protrusion has an encounter face formed on the distal end thereof. The encounter face includes two inclined faces which intersect at a peak point by a top angle. Each protrusion includes two lateral sides which respectively face the grooves corresponding thereto. The two inclined faces respectively intersect the two lateral sides at a corner by a corner angle which is an obtuse angle. An angle of 2 to 9 degrees is defined between each of the inclined face and a chord that passes the peak point and is perpendicular to an axis of the protrusion. The center angle between the two lateral sides of each protrusion is 25 to 44 degrees and the engagement between the two inclined faces and the worn object can be enhanced.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Kuo-Cheng Wu, Chih-Chao Chang
  • Publication number: 20240154972
    Abstract: A method for permission management includes: generating a plurality of job roles with different permissions according to organization permission table; generating first permission structure directed graph according to the job roles; selecting one of the job roles in first permission structure directed graph as target job role; generating minimum directed spanning graph in first permission structure directed graph according to target job role; determining whether permission of each of the job roles in first permission structure directed graph matches job of each of the job roles in first permission structure directed graph; and adjusting permission and job of each of the job roles to generate second permission structure directed graph if it is determined that permission of each of the job roles in first permission structure directed graph does not match job of each of the job roles in first permission structure directed graph.
    Type: Application
    Filed: December 21, 2022
    Publication date: May 9, 2024
    Inventors: Wei-Chao CHEN, Ming-Chi CHANG, Chih-Pin WEI, Chuo-Jui WU
  • Publication number: 20240151935
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: March 8, 2023
    Publication date: May 9, 2024
    Inventors: Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO, Yi-Ho CHEN, Chao-Chang HU, Sin-Jhong SONG
  • Publication number: 20240155234
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: March 27, 2023
    Publication date: May 9, 2024
    Inventors: Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO, Yi-Ho CHEN, Chao-Chang HU, Sin-Jhong SONG
  • Publication number: 20240150568
    Abstract: The invention provides a high thermal conductivity fluororesin composition and products thereof. The high thermal conductivity fluororesin composition includes a polytetrafluoroethylene resin, a fluorine-containing copolymer, spherical inorganic fillers and impregnation aids.
    Type: Application
    Filed: March 16, 2023
    Publication date: May 9, 2024
    Inventors: Te-Chao Liao, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang
  • Publication number: 20240152029
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Inventors: Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO, Yi-Ho CHEN, Chao-Chang HU, Sin-Jhong SONG
  • Publication number: 20240151932
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: March 28, 2023
    Publication date: May 9, 2024
    Inventors: Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO, Yi-Ho CHEN, Chao-Chang HU, Sin-Jhong SONG
  • Publication number: 20240150547
    Abstract: A composite material substrate includes an inorganic filler, a resin composition, and a dispersant. The resin composition includes a bismaleimide resin, a naphthalene ring-containing epoxy resin, and a benzoxazine resin. The inorganic filler, the resin composition, and the dispersant are mixed together.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 9, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang