Patents by Inventor Kai Wen

Kai Wen 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: 11745402
    Abstract: An injection mold for a high-aspect-ratio double-layer cylindrical plastic part and a molding method using the same. The injection mold includes a support base plate. A movable mold fixing frame and a movable mold base plate are arranged at the middle of a lower surface of the support base plate through positioning screws. A lower core mold is matchingly provided at a center of an upper surface of the support base plate, and is provided with a lower semicircular cavity for accommodating an outer die barrel. One side of the lower semicircular cavity is open, and the other side is provided with a first end wall which is provided with a lower semicircular notch for an inner die rod to pass through. An upper surface of the lower core mold is provided with a positioning protrusion, a lower feeding groove, and a remaining groove.
    Type: Grant
    Filed: February 4, 2023
    Date of Patent: September 5, 2023
    Assignees: NORTH UNIVERSITY OF CHINA, SHANXI ZHONGBEI NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Yaqing Liu, Ruikui Du, Guizhe Zhao, Kai Wen
  • Patent number: 11735843
    Abstract: Provided are a connector and a manufacturing method thereof. The connector is configured to dispose on a circuit board including a mounting hole. The connector includes a guide pin module and a conductive cover. The guide pin module is located on one side of the circuit board and includes a base, a metal guide pin, and a glass sealing layer. The base has a perforation hole corresponding to the mounting hole. The metal guide pin is inserted into the perforation hole and the mounting hole. The glass sealing layer is disposed at the perforation hole and wraps around part of the metal guide pin. The conductive cover is disposed at the mounting hole, connected to the top of the metal guide pin, and protrudes from the circuit board. The conductive cover is bonded to the circuit board by soldering to electrically connect the metal guide pin to the circuit board.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: August 22, 2023
    Assignee: PEGATRON CORPORATION
    Inventors: Yung-Tai Lee, Kai-Wen Lee, Tse-Hao Yang, Yen-Yen Chiu
  • Patent number: 11736026
    Abstract: A flyback converter is provided that detects a load-transient-produced increase in the output current to more quickly detect and respond to the load transient.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 22, 2023
    Assignee: Dialog Semiconductor Inc.
    Inventors: Mengfei Liu, Yimin Chen, David Nguyen, Juyoung Yoon, Tao Li, Guang Feng, Kai-Wen Chin, Yong Xiong Lin, Jianming Yao
  • Publication number: 20230251722
    Abstract: The present invention relates to a gesture sensing system that uses characteristic point as a positioning starting point to generate coordinate information in space for a test object. The gesture sensing system includes: a light emitter, a light sensor, and a signal processing module. The light emitter emits a plurality of emitted lights to the characteristic point and the test object, and the emitted light is reflected to generate a plurality of reflection light to be received and converted by the light sensor receives into a plurality of sensing signal. Then, the signal processing module generates initial coordinate information and movement coordinate information based on the sensing signals. Finally, the signal processing module generates a gesture according to the initial coordinate information and the change between the movement coordinate information, and executes a preset function according to the movement trajectory of the gesture.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 10, 2023
    Inventors: Kuan-Nan HU, Chung-Yen TSAI, Kai-Wen CHUANG
  • Publication number: 20230246974
    Abstract: A transmission rate management method is provided. The transmission rate management method is applied to a transmission rate management device. The transmission rate management method includes the steps of calculating a total available data traffic of the transmission rate management device based on a data plan for the transmission rate management device, wherein the total available data traffic corresponds to a period of time; allocating to each of one or more client devices currently connected to the transmission rate management device one available data traffic corresponding to the period of time according to the total available data traffic; and adjusting a transmission rate of a client device of the one or more client devices based on a remaining data traffic of the available data traffic of the client device.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 3, 2023
    Inventors: Yuan-Ting HUANG, Kai-Wen LIU, Yu-Hua HUANG
  • Patent number: 11712089
    Abstract: A harness system includes an upper buckle, an upper strap and a restraining assembly including an anti-sliding structure and a beam structure. A through slot is formed on the upper buckle. The upper strap passes through the through slot. The beam structure is slidably disposed on the upper buckle. The anti-sliding structure is disposed on at least one of the beam structure and a wall of the through slot. The upper strap is engaged by the anti-sliding structure for restraining a sliding movement of the upper buckle relative to the upper strap and toward a shoulder portion when the upper strap is forced to drive the beam structure to slide relative to the upper buckle and toward the wall of the through slot.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: August 1, 2023
    Assignee: Wonderland Switzerland AG
    Inventors: Yen-Lin Lee, Kai-Wen Cheng, Chih-Wei Wang
  • Publication number: 20230211009
    Abstract: A method for producing exosomes in a large-scale by using a cyclic tensile bioreactor to stimulate cells to release exosomes. In addition, the exosome having an anti-HLA-G protein specific for cancer is used as a delivery vehicle to deliver therapeutic agents for treating cancer.
    Type: Application
    Filed: December 2, 2022
    Publication date: July 6, 2023
    Applicants: CHINA MEDICAL UNIVERSITY, China Medical University Hospital, Shine-On Biomedical Co., Ltd.
    Inventors: Yi-Wen Chen, Der-Yang Cho, Hsin-Yuan Fang, Ming-You Shie, Chih-Ming Pan, Kai-Wen Kan, Cheng-Yu Chen, Min-Hua Yu, Shao-Chih Chiu
  • Publication number: 20230173723
    Abstract: An injection mold for a high-aspect-ratio double-layer cylindrical plastic part and a molding method using the same. The injection mold includes a support base plate. A movable mold fixing frame and a movable mold base plate are arranged at the middle of a lower surface of the support base plate through positioning screws. A lower core mold is matchingly provided at a center of an upper surface of the support base plate, and is provided with a lower semicircular cavity for accommodating an outer die barrel. One side of the lower semicircular cavity is open, and the other side is provided with a first end wall which is provided with a lower semicircular notch for an inner die rod to pass through. An upper surface of the lower core mold is provided with a positioning protrusion, a lower feeding groove, and a remaining groove.
    Type: Application
    Filed: February 4, 2023
    Publication date: June 8, 2023
    Inventors: Yaqing LIU, Ruikui DU, Guizhe ZHAO, Kai WEN
  • Publication number: 20230126312
    Abstract: A method for obtaining enrichment information and a controller are provided. The method includes: querying, by an enrichment information handling circuit, whether a database stores a first enrichment information corresponding to a user device in response to the enrichment information handling circuit receiving a first creation request associated with the user device from an application; triggering, by the enrichment information handling circuit, the application to subscribe to the database for enrichment information corresponding to the user device in response to determining that the database stores the first enrichment information corresponding to the user device; and pushing, by the database, second enrichment information to the application in response to presence of the second enrichment information corresponding to the user device in the database.
    Type: Application
    Filed: December 6, 2021
    Publication date: April 27, 2023
    Applicant: Industrial Technology Research Institute
    Inventors: Chang-Lan Tsai, Kai-Wen Chen, Yu-Chieh Wang
  • Publication number: 20230107056
    Abstract: A slide rail assembly includes a rail member ad a bracket device. The bracket device can be displaced with respect to the rail member and is provided with a first structure. The rail member is provided with a second structure. When the bracket device is at a predetermined position with respect to the rail member, the first structure and the second structure are blocked by each other to prevent the bracket device from being displaced with respect to the rail member in either of a first direction and a second direction.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 6, 2023
    Inventors: KEN-CHING CHEN, SHUN-HO YANG, KAI-WEN YU, CHUN-CHIANG WANG
  • Publication number: 20230081737
    Abstract: Aspects described herein may relate to methods, systems, and apparatuses that determine one or more categories associated with a dataset, or a portion thereof. The determination may be performed based on one or more tags associated with the dataset and/or a description associated with the dataset. Further, the determination may be performed by searching an ontology based on the one or more tags and/or the description. The determination may be performed by using a machine-learning model based on the one or more tags and/or the description. Once the one or more categories associated with the dataset are determined, the one or more categories may be used as a basis for modifying the dataset and/or validating the dataset.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 16, 2023
    Inventors: Kai-Wen Chen, Brian Donohue, Xuemei Pan, Nirmal Kumar Raajan, Bethany Sehon, Naresh Singh, Xiaofei Wang, Albert T. Zellers, Weidan Zhou
  • Publication number: 20230072161
    Abstract: The present invention provides a method of display control for a display driver circuit operated in a video mode. The method includes steps of: driving a display panel to display a plurality of image frames having a plurality of active frames and a plurality of blanking frames, and determining whether to transmit a notification to an application processor to indicate whether the application processor needs to output image data according to whether an incoming image frame among the plurality of image frames is one of the plurality of active frames or one of the plurality of blanking frames. Wherein, the display panel is refreshed in each of the plurality of active frames, and not refreshed in each of the plurality of blanking frames.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 9, 2023
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Yu-Ju Lin, Kai-Wen Shao, Yao-Min Chou
  • Publication number: 20230033975
    Abstract: An adaptive image shading correction method and an adaptive image shading system are provided. The method includes: configuring an image capturing device to obtain a current frame; and configuring a processing unit to: divide the current frame into blocks; select block pairs from the blocks, in which each of the block pairs includes an inner block and an outer block; perform a filtering process for each of the block pairs to determine whether a brightness condition, a saturation condition, a hue similarity condition, and a sharpness similarity condition are met; in response to obtaining filtered block pairs, calculate a sum similarity threshold based on hue statistical data, a saturation difference, and a brightness difference; and use filtered blocks with individual thresholds less than the sum similarity threshold to calculate a shadow compensation value to adjust the current frame.
    Type: Application
    Filed: May 25, 2022
    Publication date: February 2, 2023
    Inventors: SHENG-KAI LIN, MIN-CHEN HSU, PAO-CHI YEH, KAI-WEN LAI, CHEN-CHIEH YAO
  • Patent number: 11556189
    Abstract: A touchpad module includes a touch member, a bracket, a piezoelectric vibration unit and an elastic element. The bracket is located under the touch member. A portion of the touch member is exposed to a first perforation of the bracket. The piezoelectric vibration unit is aligned with the first perforation of the bracket. The piezoelectric vibration unit has a first surface and a second surface, which are opposed to each other. The elastic element installed on the bracket and contacted with the second surface of the piezoelectric vibration unit. When the piezoelectric vibration unit vibrates, a first reaction force is generated between the first surface of the piezoelectric vibration unit and the portion of the touch member exposed to the first perforation, and a second reaction force is generated between the second surface of the piezoelectric vibration unit and the elastic element.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: January 17, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Feng Lee, Kai-Wen Cheng, Chang-Tse Lee, Guan-Hao Su
  • Publication number: 20230008649
    Abstract: Present invention is related to a tumor microenvironment on chip or a biochip for cell therapy having a carrier, a first cell or tissue culture area and a second cell or tissue area imbedded within the carrier. The present invention provides a biochip successfully cooperating micro fluidic technology and cell culture achieving the goal for detecting or testing the function of cell therapy for cancer or tumor.
    Type: Application
    Filed: October 22, 2021
    Publication date: January 12, 2023
    Inventors: Yi-Wen Chen, Ming-You Shie, Der-Yang Cho, Shao-Chih Chiu, Kai-Wen Kan, Chien-Chang Chen
  • Publication number: 20230002774
    Abstract: Provided herein are methods and compositions for inhibiting p97, for the treatment of a coronavirus infection in a subject, or a symptom thereof. Upon treatment, the coronavirus infection, or a symptom thereof is reduced in the subject.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 5, 2023
    Inventors: Kai-Wen Cheng, Shan Li, Feng Wang, Tsui-Fen Chou
  • Patent number: 11546073
    Abstract: A control method and a time aware bridge device for a seamless Precision Time Protocol (PTP) are provided. The control method includes: utilizing the time aware bridge device to pre-configure a first control signal source as a master control signal source, and pre-configure a second control signal source as a backup control signal source; utilizing the time aware bridge device to determine whether one or more packets from the master control signal source conform to at least one predetermined rule to generate a determination result; and selectively configuring the second control signal source as the master control signal source according to the determination result.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: January 3, 2023
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yung-Kun Lin, Chung-Keng Hung, Yan-Liang Wu, Kai-Wen Cheng
  • Publication number: 20220406992
    Abstract: Some embodiments relate to a memory device. The memory device includes a substrate comprising an inter-metal dielectric layer having a metal line, a dielectric layer over the substrate, a bottom electrode via through the dielectric layer and in contact with the metal line, a bottom electrode over the bottom electrode via, a magnetic tunneling junction (MTJ) element over the bottom electrode, and a top electrode over the MTJ element. A center portion of the bottom electrode directly above the bottom electrode via is thicker than an edge portion of the bottom electrode.
    Type: Application
    Filed: April 21, 2022
    Publication date: December 22, 2022
    Inventors: Yi-Cheng Chu, Chung-Te Lin, Kai-Wen Cheng, Han-Ting Tsai, Jung-Tsan Tsai, Pao-Yi Tai, Chien-Hua Huang
  • Patent number: 11531428
    Abstract: The disclosure provides a method for driving an OLED touch-and-display device, a driving circuit, and an OLED touch-and-display device. The method includes: generating gate driving signals that are sequentially shifted based on the first clock signal (GCK); sequentially applying the gate driving signals that are sequentially shifted to the plurality of GLs; writing display data in a display driving period for each row of pixels, to the row of pixels, wherein a time length of the display driving period depends on a corresponding gate driving signal and is smaller than the clock cycle; and for a display driving period for each of at least one row of pixels, setting a touch detection period corresponding to the display driving period or corresponding to the display driving period for previous row of pixels at least partially overlapping with the display driving period in time.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: December 20, 2022
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Chun-Hung Chen, Kai-Wen Shao, Feng-Lin Chan, Shuo-Wen Jang
  • Patent number: D975125
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: January 10, 2023
    Assignee: GOGORO INC.
    Inventors: Chuan-feng Yeh, Yi-wen Chang, Chih-min Fu, Kai-wen Cheng