Patents by Inventor Kai Yu

Kai Yu 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: 11842722
    Abstract: Disclosed is a speech synthesis method including: acquiring fundamental frequency information and acoustic feature information from original speech; generating an impulse train from the fundamental frequency information, and inputting it to a harmonic time-varying filter; inputting the acoustic feature information into a neural network filter estimator to obtain corresponding impulse response information; generating noise signal by a noise generator; determining, by the harmonic time-varying filter, harmonic component information through filtering processing on the impulse train and the impulse response information; determining, by a noise time-varying filter, noise component information based on the impulse response information and the noise; and generating a synthesized speech from the harmonic component information and the noise component information.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 12, 2023
    Assignee: AI SPEECH CO., LTD.
    Inventors: Kai Yu, Zhijun Liu, Kuan Chen
  • Patent number: 11839008
    Abstract: The present disclosure provides a smart window and a driving method thereof and a smart window system. The smart window includes a glass module, a first controller, at least one light bar group and a light bar monitoring circuit. The glass module is coupled to the first controller; the at least one light bar group is coupled to the first controller; and the light bar monitoring circuit includes at least one light bar monitoring sub-circuit. The at least one light bar monitoring sub-circuit is coupled to the first controller and is coupled in a one-to-one correspondence to the at least one light bar group.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: December 5, 2023
    Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongbo Wang, Chen Meng, Yiping Ruan, Shaobo Han, Siheng Xu, Zhong Hu, Kai Yu
  • Patent number: 11835040
    Abstract: A method and a device for controlling a capacity change of a compressor, and a smart home appliance. The method includes: determining whether a capacity of the compressor is required to be changed; if yes, determining an intermediate frequency; changing the capacity of the compressor while maintaining the operating frequency of the compressor at the intermediate frequency; and the maintaining the operating frequency of the compressor at the intermediate frequency reduces a sudden change in output of the compressor after the changing the capacity.
    Type: Grant
    Filed: December 22, 2018
    Date of Patent: December 5, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Kai Yu, Longfei Li, Qunbo Liu, Yi Ni, Ke Xu, Yaopeng Rong, Zhongqiu Zhang, Zhenjiang Zhao
  • Patent number: 11826606
    Abstract: Examples of an exercise mat having a three-dimensional surface texture and methods for making same are disclosed. The exercise mat may have a first malleable layer formed from a polyurethane material with an elastic fabric material attached to a lower surface thereof. A second layer may be attached to the elastic fabric material of the first layer. The second layer may be formed from a thermoplastic elastomer material and may have the three-dimensional surface texture formed on an upper surface thereof to which the first layer conforms. The exercise mat may also include a third rubber layer attached to the second layer.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: November 28, 2023
    Assignee: LULULEMON ATHLETICA CANADA INC.
    Inventors: Stephen Thomas Caulton Morris, Colton Kai Yu, Warren Christopher Howren Cheng, Glenn Malcolm Boghosian, Chen I. Kao
  • Publication number: 20230378056
    Abstract: A method includes following steps. First transistors are formed over a substrate. An interconnect structure is formed over the plurality of first transistors. A dielectric layer is formed over the interconnect structure. 2D semiconductor seeds are formed over the dielectric layer. The 2D semiconductor seeds are annealed. An epitaxy process is performed to laterally grow a plurality of 2D semiconductor films respectively from the plurality of 2D semiconductor seeds. Second transistors are formed on the plurality of 2D semiconductor films.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Chenming HU, Shu-Jui CHANG, Chen-Han CHOU, Yen-Teng HO, Chia-Hsing WU, Kai-Yu PENG, Cheng-Hung SHEN
  • Publication number: 20230347203
    Abstract: Examples of stackable exercise cushions are disclosed. The cushions include a body and are defined by shaped top and bottom surfaces. The shaped top surface has a side-view profile with at least one concave portion and at least one raised portion adjacent to the at least one concave portion such that, from a top view of the body, the at least one raised portion is at a perimeter of the at least one concave portion. The shaped bottom surface has a side-view profile with at least one concave portion underneath the at least one raised portion of the shaped top surface, at least one convex portion underneath the at least one concave portion of the shaped top surface, and at least one flat portion such that, from a bottom view of the body, the at least one flat portion is at a perimeter of the shaped bottom surface.
    Type: Application
    Filed: April 27, 2022
    Publication date: November 2, 2023
    Inventors: Stephen Thomas Caulton MORRIS, Colton Kai YU
  • Patent number: 11796894
    Abstract: An optical element driving mechanism includes a movable portion, a fixed portion and a driving assembly. The movable portion is configured to connect an optical element having an optical axis. The fixed portion includes a base with a plate structure, wherein the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the base. A thickness direction of the base is perpendicular to the optical axis, the base has a recessed structure, and when viewed from the thickness direction of the base, the recessed structure is overlapped with the optical axis.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: October 24, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Cheng-Kai Yu, Chen-Hsien Fan, Chao-Chang Hu, Shu-Shan Chen, Chih-Wei Weng
  • Publication number: 20230331280
    Abstract: A parking brake assembly includes a disc defining an aperture and a ramp located adjacent to the aperture; a pedal configured to rotate the disc in a locking direction or an unlocking direction; and an actuator including a body and a spring biased to push the body towards the aperture, the actuator further including a pin positioned and arranged to ride along the ramp when the disc is rotated relative to the actuator, wherein spring is allowed to push the body through the aperture and into a mating hole, of or associated with a wheel, when the disc is rotated in the locking direction such that the pin rides down the ramp, and wherein the spring is prevented from pushing the body through the aperture and into the mating hole when the disc is rotated in the unlocking direction such that the pin rides up the ramp.
    Type: Application
    Filed: April 13, 2023
    Publication date: October 19, 2023
    Inventors: Angela Stacey, Huang Kai Yu
  • Patent number: 11787332
    Abstract: A light-emitting device includes a substrate including circuit pads and a resin portion. A frame disposed on the substrate to form a first space, first to third light sources, and first and second encapsulants. The frame includes an outer wall and a first partition in the first space to form the first space as independent second and third spaces. A first and second light sources are disposed at the second space and provide first and second light beams respectively. A third light source is disposed at the third space and provides a third light beam. A first encapsulant is filled at the second space to seal the first and second light sources. A second encapsulant is filled at the third space to seal the third light source. The second encapsulant includes a first wavelength conversion material converting the third light beam into a fourth light beam.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: October 17, 2023
    Assignee: Lite-On Technology Corporation
    Inventors: Kai Yu Hsieh, Chih Chiang Kao, Cheng Ying Lee, Tsung Lin Lu
  • Patent number: 11787762
    Abstract: Compounds that inhibit HIF-2?, and compositions containing the compound(s) and methods for synthesizing the compounds, are described herein. Also described are the use of such compounds and compositions for the treatment of a diverse array of diseases, disorders, and conditions, including cancer- and immune-related disorders that are mediated, at least in part, by HIF-2?.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: October 17, 2023
    Assignee: ARCUS BIOSCIENCES, INC.
    Inventors: Joel Worley Beatty, Samuel Lawrie Drew, Matthew Epplin, Jeremy Thomas Andre Fournier, Balint Gal, Tezcan Guney, Karl T. Haelsig, Clayton Hardman, Steven Donald Jacob, Jenna Leigh Jeffrey, Jaroslaw Kalisiak, Kenneth Victor Lawson, Manmohan Reddy Leleti, Erick Allen Lindsey, Artur Karenovich Mailyan, Debashis Mandal, Guillaume Mata, Hyunyoung Moon, Jay Patrick Powers, Brandon Reid Rosen, Yongli Su, Anh Thu Tran, Zhang Wang, Xuelei Yan, Kai Yu
  • Patent number: 11788562
    Abstract: The subject invention pertains to a pneumatic, hydraulic, or otherwise inflatable or pressurized artificial muscle. Also provided are methods for making, controlling, and using such a muscle useful for prostheses, movement aids, or wearable robots to assist the movement of impaired subjects or to improve the function of healthy subjects. Muscles can be made by densely winding tension wires around pressurized expandable tubes having one or more specific geometric shapes removed from the tube cross section. The curve of output characteristics such as output force vs. contraction ratio can be adjustable by changing parameters of the sectional view of the tube. The appropriate shape of tube and related output characteristics can be selected according to application area or body part to be assisted to achieve the most flexible and optimal design for one or more muscle groups.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: October 17, 2023
    Assignee: The Chinese University of Hong Kong
    Inventors: Kai Yu Tong, Disheng Xie, Jing Shu, Junming Wang
  • Patent number: 11784119
    Abstract: An IC structure comprises a first transistor formed on a substrate, a first interconnect structure over the first transistor, a dielectric layer over the first interconnect structure, a plurality of 2D semiconductor islands on the dielectric layer, and a plurality of second transistors formed on the plurality of 2D semiconductor islands.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 10, 2023
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Chenming Hu, Shu-Jui Chang, Chen-Han Chou, Yen-Teng Ho, Chia-Hsing Wu, Kai-Yu Peng, Cheng-Hung Shen
  • Patent number: 11779967
    Abstract: An apparatus includes a wafer stage and a particle removing assembly. The wafer stage includes a cup adjacent to a wafer chuck. The particle removing assembly is configured to remove contaminant particles from the cup. In some embodiments, the particle removing assembly comprises a flexible ejecting member that includes one or more elongated tubes, a front tip, and a cleaning tip adapter configured to attach the front tip to each of the one or more elongated tubes. The front tip includes front openings and lateral openings from which pressurized cleaning material are introduced onto an unreachable area of the cup to remove the contaminant particles from the cup.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: October 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Hsueh Wu, Fang Yu Kuo, Kai Yu Liu, Yu-Chun Wu, Jao Huang, Wei-Yi Chen
  • Publication number: 20230307527
    Abstract: Provided is a heterojunction bipolar transistor (HBT), including a collector layer. The collector layer includes a bandgap graded layer. A quasi-electric field generated by the bandgap graded layer will enable electrons in the bandgap graded layer to be accelerated. The bandgap graded layer includes a semiconductor material in which an electron velocity peaks at a certain quasi-electric field strength when an quasi-electric field strength is varied, wherein the certain quasi-electric field strength is referred to as a peak electric field strength. The strength of the quasi-electric field is more than 2 times the peak electric field strength.
    Type: Application
    Filed: June 2, 2023
    Publication date: September 28, 2023
    Inventors: Chao-Hsing HUANG, Yu-Chung CHIN, Min-Nan TSENG, Kai-Yu CHEN
  • Patent number: 11738784
    Abstract: A logic control system for magnetic track braking of a rail transit vehicle includes a magnetic track braking control circuit, a magnetic track braking power supply execution circuit, and a magnetic track braking status monitoring and feedback circuit. The magnetic track braking control circuit includes a pneumatic actuator relay, an electromagnet relay, a system protection relay, a power-on delay relay, a power-off delay relay, an automatic control branch circuit, and a manual control branch circuit. The pneumatic actuator relay is connected to the power-on delay relay, and the system protection relay is connected to the power-off delay relay. The automatic control branch circuit includes a first isolation magnetic track braking switch and an emergency braking relay contact. The manual control branch circuit includes a first circuit breaker, a cab signal option switch, a second isolation magnetic track braking switch and a manual touch button.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 29, 2023
    Assignee: CRRC Nanjing Puzhen Co., Ltd.
    Inventors: Jian Sun, Qian Zhang, Xun Mao, Dejian Song, Fei Xiao, Hongquan Xue, Hongfei Zhang, Kai Yu
  • Patent number: 11740538
    Abstract: A lens driving module includes a base, a frame fixedly connected to the base, and a holder configured to connect an optical lens. The holder is movable relative to the base. The lens driving module also includes a reflecting element configured to reflect light from a light incident direction to a first direction. The first direction is perpendicular to the light incident direction, and the first direction is parallel to an optical axis of the optical lens. The lens driving module further includes a first electromagnetic driving assembly configured to force the holder to move along the first direction relative to the base. The lens driving module has multiple recesses formed on the base and arranged along the first direction. The lens driving module includes multiple the rolling elements disposed on the recesses, and the holder is moved relative to the base via the rolling elements.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: August 29, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Cheng-Kai Yu, Chen-Hsien Fan, Chao-Chang Hu, Shu-Shan Chen, Chih-Wei Weng
  • Patent number: 11698571
    Abstract: An optical system is provided and includes a light-sensing element, a reflecting unit and a first driving assembly. The reflecting unit includes a reflecting surface, configured to receive an incident light and to reflect a reflecting light. The reflecting light travels into the light-sensing element. The first driving assembly is configured to control the reflecting unit to move along a first axis direction from a first position to a second position, so as to adjust a focus position of the reflecting light on the light-sensing element, wherein the reflecting surface in the first position is parallel to the reflecting surface in the second position, and a distance between a center of the reflecting unit in the first position and the center of the reflecting unit in the second position is not zero.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 11, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Cheng-Kai Yu
  • Publication number: 20230215420
    Abstract: Disclosed is a speech synthesis method including: acquiring fundamental frequency information and acoustic feature information from original speech; generating an impulse train from the fundamental frequency information, and inputting it to a harmonic time-varying filter; inputting the acoustic feature information into a neural network filter estimator to obtain corresponding impulse response information; generating noise signal by a noise generator; determining, by the harmonic time-varying filter, harmonic component information through filtering processing on the impulse train and the impulse response information; determining, by a noise time-varying filter, noise component information based on the impulse response information and the noise; and generating a synthesized speech from the harmonic component information and the noise component information.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 6, 2023
    Applicant: AI SPEECH CO., LTD.
    Inventors: Kai YU, Zhijun LIU, Kuan CHEN
  • Publication number: 20230173333
    Abstract: Examples of an exercise mat and methods for making same are disclosed. The exercise mat comprises a top layer, at least two textured gripping zones formed on an upper surface of the top layer and a bottom layer joined to the top layer. A second textured gripping zone of the at least two textured gripping zones may be formed closer to one or more mat edges of the exercise mat, and has a friction level that is greater than a friction level of a first textured gripping zone of the at least two textured gripping zones, when a body is in sliding contact with the at least two textured gripping zones of the upper surface of the top layer.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 8, 2023
    Inventors: Colton Kai YU, Laura Julie KELLY, Miguel Angel HERRERA MACIAS, Josh Nehru Samonte Delfin, Kate Alexandria MACMILLAN, Adrian Ka Ming LAI, Jemon LIN
  • Patent number: 11671735
    Abstract: A microphone module, including a substrate assembly, two sensing structures, and two housings, is provided. The substrate assembly has at least one through hole and at least one circuit structure electrically connected to at least one pad. The through hole includes two holes formed on opposite sides of the substrate assembly. The sensing structures are disposed on and cover the two holes. The two sensing structures and the through hole collectively form a communicating cavity. A size of the communicating cavity in an axial direction is greater than that in a radial direction. The two housings are respectively disposed on the opposite sides of the substrate assembly and respectively shield the two sensing structures. Each of the housings, the substrate assembly, and the corresponding sensing structure form an inner cavity. The housings each has a sound hole. The inner cavity communicates with the outside through the sound hole.
    Type: Grant
    Filed: July 31, 2022
    Date of Patent: June 6, 2023
    Assignee: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang, Yung-Hsiang Chang