Patents by Inventor Hai Chen

Hai Chen 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: 11192756
    Abstract: A handrail safety control device, a transportation system and a handrail safety control method. The handrail safety control device is provided for a transportation system having a handrail, the handrail including a body and a handrail belt, the handrail belt being driven under power to move relative to the body and forming an engaged state or a disengaged state with the body. The handrail safety control device includes: a contact portion disposed in a preset section of the handrail, the contact portion being in a first state or a second state respectively when the handrail belt in the preset section is in the engaged state or the disengaged state, wherein in the first state, the contact portion is in contact with the handrail belt, and in the second state, the contact portion is at least partially out of contact with the handrail belt; and a signal generation portion.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: December 7, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hai Cui, Qing Cheng, Yi Fang, Xingsong Xu, Xinxiang Jiang, JiaYing Chen, ShengJun Qian, HuaLiang Xu, ShaoDong Huang
  • Patent number: 11186587
    Abstract: Disclosed are a class of compounds which are inhibitors of acetyl-CoA carboxylase (ACC) and the use thereof. In particular, provided are compounds as shown in formula I or isomers, pharmaceutically acceptable salts, solvates, crystals or prodrugs thereof, and methods for preparing the same, and pharmaceutical compositions comprising the compounds and the use of the compounds or compositions for treating and/or preventing diseases associated with ACC expression, such as fibrotic diseases, metabolic diseases, cancers or tissue hyperplasia diseases. The compound has a good inhibitory activity against ACC and shows good promise to be a therapeutic drug for fibrotic diseases, metabolic diseases, cancers or tissue hyperplasia diseases.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 30, 2021
    Assignee: NANJING SANHOME PHARMACEUTICAL CO., LTD.
    Inventors: Yong Wang, Liwen Zhao, Yazhou Wang, Xu Quan, Chunhuan Jiang, Hongyan Chen, Menghua Chen, Chao Li, Yexin Liao, Qi Liu, Chen Wang, Hai Wang, Shengwei Yang, Guochuang Zheng
  • Publication number: 20210360916
    Abstract: Disclosed are an anti-freezing agent for protecting a biological tissue from being damaged during a freezing treatment and a preparation method therefor. The method for preparing the anti-freezing agent involves mixing ethylene glycol, water and dimethylsulfoxide homogeneously to form a matrix, and then slowly adding sodium polyacrylate. The prepared anti-freezing agent is coated onto biological tissue during a freezing treatment such that damage to the biological tissue is reduced.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Applicant: TAIPEI VETERANS GENERAL HOSPITAL
    Inventors: Po Kuei WU, Wei Ming CHEN, Cheng Fong CHEN, Jir You WANG, Wen Hai WU
  • Publication number: 20210367895
    Abstract: A method for dividing communication services in smart substation into different priorities, the method including: determining the priority of a message to be sent according to the service type and its priority definition; the communication services includes trip message, state change message, sampled value message, device status message, time synchronization message, and file transfer message; the corresponding priority is respectively defined as 7, 6, 5, 4, 3, 1; and filling the user priority field of IEEE802.1Q label in a message header with a binary value corresponding to its priority.
    Type: Application
    Filed: May 25, 2021
    Publication date: November 25, 2021
    Inventors: Jun'e LI, Qiuyu LU, Yangrong CHEN, Hai LIN, Yu XIA, Fuyang LI
  • Publication number: 20210355040
    Abstract: A highly thixotropic 3D printing concrete and a manufacturing method therefor are provided. The weight percentage of each component calculated per cube of concrete is: 35-40% of cement, 0.1-0.4% of polycarboxylate superplasticizer, 0.1-0.4% of polypropylene fiber, 1.0-3.0% of special thixotropic agent for 3D printing concrete, and 12.5-14.5% of water, and the remainder is sand.
    Type: Application
    Filed: June 4, 2019
    Publication date: November 18, 2021
    Applicants: CHINA TIESIJU CIVIL ENGINEERING GROUP, ANHUI ZHONGTIE ENGINEERING MATERIAL TECHNOLOGY CO., LTD, CENTRAL SOUTH UNIVERSITY
    Inventors: Jun WU, Jianwei PENG, Hai HUANG, Juan CHEN, Qiang YUAN, Jie TANG, Jianan YAO, Zhiyong WANG, Jian YU, Yang LIU
  • Patent number: 11160271
    Abstract: Disclosed are an anti-freezing agent for protecting a biological tissue from being damaged during a freezing treatment and a preparation method therefor. The method for preparing the anti-freezing agent involves mixing ethylene glycol, water and dimethylsulfoxide homogeneously to form a matrix, and then slowly adding sodium polyacrylate. The prepared anti-freezing agent is coated onto biological tissue during a freezing treatment such that damage to the biological tissue is reduced.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: November 2, 2021
    Assignee: TAIPEI VETERANS GENERAL HOSPITAL
    Inventors: Po Kuei Wu, Wei Ming Chen, Cheng Fong Chen, Jir You Wang, Wen Hai Wu
  • Patent number: 11161868
    Abstract: The present invention provides N-acetyl derivatives of sialic acids, including N-acetyl derivatives of Neu5Ac and Neu5Gc. Methods for preparing related precursors and a variety of sialosides are also disclosed.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: November 2, 2021
    Assignee: The Regents of the University of California
    Inventors: Xi Chen, An Xiao, Anoopjit Kooner, Abhishek Santra, Ajit Varki, Hai Yu, Lee-Ping Wang, Wanqing Li
  • Patent number: 11161570
    Abstract: A cable-direction-adaptive ROV winch applied to non-DP-equipped motherships, includes a non-DP-equipped mothership, an A-shaped support and a winch cable-drawing roller provided on the non-DP-equipped mothership, and an underwater vehicle. A pulley is rotatably connected to the A-shaped support, the underwater vehicle is connected to an umbilical cable, the umbilical cable passes around the pulley to be connected to the winch cable-drawing roller, and a locating unit for guiding the umbilical cable is provided on the non-DP-equipped mothership. The A-shaped support is provided with a rod. The pulley includes a sliding section and a rotating section, and the sliding section is annular and slides on the rod along a direction of the rod. The rod has a groove, and a bulge portion is formed on the sliding section. The rotating section is rotatably connected to an outer circle of the sliding section via a shaft bearing.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: November 2, 2021
    Assignee: GUANGZHOU BUREAU, CSG EHV POWER TRANSMISSION COMPANY
    Inventors: Weijia Zhang, Xiaowei Huang, Zhenjin Cen, Cong Wu, Chi Cai, Yikang Chen, Xiaojun Li, Qiang Guo, Jianying Wang, Hangwei Chen, Cheng Chen, Man Zhang, Jun Chen, Fang He, Guang Ji, Gang Zhao, Zheng Chen, Qingshuai Wu, Yang Zhu, Fang Liu, Hai Lu, Yong Cai, Wulue Zheng
  • Publication number: 20210331771
    Abstract: A cable-direction-adaptive ROV winch applied to non-DP-equipped motherships, includes a non-DP-equipped mothership, an A-shaped support and a winch cable-drawing roller provided on the non-DP-equipped mothership, and an underwater vehicle. A pulley is rotatably connected to the A-shaped support, the underwater vehicle is connected to an umbilical cable, the umbilical cable passes around the pulley to be connected to the winch cable-drawing roller, and a locating unit for guiding the umbilical cable is provided on the non-DP-equipped mothership. The A-shaped support is provided with a rod. The pulley includes a sliding section and a rotating section, and the sliding section is annular and slides on the rod along a direction of the rod. The rod has a groove, and a bulge portion is formed on the sliding section. The rotating section is rotatably connected to an outer circle of the sliding section via a shaft bearing.
    Type: Application
    Filed: November 12, 2018
    Publication date: October 28, 2021
    Applicant: GUANGZHOU BUREAU, CSG EHV POWER TRANSMISSION COMPANY
    Inventors: Weijia ZHANG, Xiaowei HUANG, Zhenjin CEN, Cong WU, Chi CAI, Yikang CHEN, Xiaojun LI, Qiang GUO, Jianying WANG, Hangwei CHEN, Cheng CHEN, Man ZHANG, Jun CHEN, Fang HE, Guang JI, Gang ZHAO, Zheng CHEN, Qingshuai WU, Yang ZHU, Fang LIU, Hai LU, Yong CAI, Wulue ZHENG
  • Patent number: 11146127
    Abstract: A motor includes a motor body, a first cover covering at least one part of the motor body on the radial outer side of the motor body, and a second cover covering at least one part of the motor body on one axial side and the radial outer side of the motor body. The first and second covers make contact on the radial outer side of the motor body. The second cover includes first and second parts, the first part is in a disk shape, the second part is located on the radial outer side of at least one part of the first part and includes a wall part and an eave part, the wall part is formed in the axial direction, and the eave part is formed in the radial direction from one axial end of the radial outer side of the wall part.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: October 12, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Ha Hai Vu, Chien Yu Chen
  • Patent number: 11137419
    Abstract: Techniques for improved multiple-range current sensing are provided. In an example, a circuit can include a plurality of shunt resistors, a plurality of gain resistors, and a first switch. A first shunt resistor of the plurality of shunt resistors can be of a different type that the other shunt resistors of the plurality of shunt resistors. The plurality of gain resistors can include a first gain resistor of the same resistor type as the first shunt resistor. The first gain resistor can be a different resistor type than the other gain resistors of the plurality of gain resistors. The switch can be configured to couple the first shunt resistor with the load in a first state and to isolate the first shunt resistor from the load in a second state.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 5, 2021
    Assignee: Analog Devices International Unlimited Company
    Inventors: Hio Leong Chao, Hai Chen, Syed Mk Bari
  • Publication number: 20210300730
    Abstract: A handrail safety control device, a transportation system and a handrail safety control method. The handrail safety control device is provided for a transportation system having a handrail, the handrail including a body and a handrail belt, the handrail belt being driven under power to move relative to the body and forming an engaged state or a disengaged state with the body. The handrail safety control device includes: a contact portion disposed in a preset section of the handrail, the contact portion being in a first state or a second state respectively when the handrail belt in the preset section is in the engaged state or the disengaged state, wherein in the first state, the contact portion is in contact with the handrail belt, and in the second state, the contact portion is at least partially out of contact with the handrail belt; and a signal generation portion.
    Type: Application
    Filed: November 13, 2020
    Publication date: September 30, 2021
    Inventors: Hai Cui, Qing Cheng, Yi Fang, Xingsong Xu, Xinxiang Jiang, JiaYing Chen, ShengJun Qian, HuaLiang Xu, ShaoDong Huang
  • Patent number: 11133418
    Abstract: A semiconductor device includes an oxide semiconductor layer, disposed over a substrate. A source electrode of a metal nitride is disposed on the oxide semiconductor layer. A drain electrode of the metal nitride is disposed on the oxide semiconductor layer. A metal-nitride oxidation layer is formed on a surface of the source electrode and the drain electrode. A ratio of a thickness of the metal-nitride oxidation layer to a thickness of the drain electrode or the source electrode is equal to or less than 0.2.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: September 28, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yen-Chen Chen, Xiao Wu, Hai Tao Liu, Ming Hua Du, Shouguo Zhang, Yao-Hung Liu, Chin-Fu Lin, Chun-Yuan Wu
  • Publication number: 20210297787
    Abstract: A package structure includes a housing and a sound producing chip. The sound producing chip is disposed within the housing. The sound producing chip includes a membrane and an actuator. The membrane includes a coupling plate and a spring structure connected to the coupling plate. The actuator is configured to receive a driving signal to actuate the membrane. The spring structure is situated between the coupling plate and the actuator. The coupling plate is actuated to move by the actuator via the spring structure.
    Type: Application
    Filed: May 31, 2021
    Publication date: September 23, 2021
    Inventors: Chiung C. Lo, David Hong, Jemm Yue Liang, Lei Chen, Hai-Hung Wen, JengYaw Jiang, Martin George Lim, Wen-Chien Chen, Hsien-Ken Liao, Chun-I Chang
  • Publication number: 20210276548
    Abstract: This invention is an extension adaptive lane keeping control method with variable vehicle speed, which is composed of the following steps: S1, establishing a three-degree-of-freedom dynamic model and a preview deviation expression; S2, performing the lane line fitting equation; S3, designing the upper layer ISTE extension controller; including: S3.1, establishing the control index (ISTE) extension sets; S3.2, dividing the control index (ISTE) domain boundaries; S3.3, calculating the control index (ISTE) association function; S3.4, establishing the upper layer extension controller decision; S4, designing the lower layer speed extension controller; S5, designing the lower layer deviation tracking extension controller; including: S5.1, extracting the lower layer deviation tracking extension feature quantity and dividing domain boundaries; S5.2, designing the lower layer extension controller correlation function; S5.3, performing the lower layer measurement mode identification; S5.
    Type: Application
    Filed: February 20, 2019
    Publication date: September 9, 2021
    Inventors: Yingfeng CAI, Yong ZANG, Hai WANG, Xiaoqiang SUN, Long CHEN, Jun LIANG, Yicheng LI, Dehua SHI, Bin TANG
  • Patent number: 11114254
    Abstract: A circuit breaker including at least two contact tip that comprise an electrical contact material comprising silver (Ag) and tungsten (W). The contact tip further comprises a graphene material (Gr) additively mixed in Ag as being denoted as AgGr0.3% or AgGr0.5% which is mixed with tungsten (W) to form (AgGr0.3)W50 or (AgGr0.5)W50 called a silver-graphene tungsten composite material.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: September 7, 2021
    Assignee: Siemens Industry, Inc.
    Inventors: Hai Chen, Jesus Hernandez
  • Publication number: 20210268875
    Abstract: A method of mitigating refrigerant leaks within a refrigeration system that includes: detecting a leak of a refrigerant from a refrigeration system; closing a first valve to inhibit a fluid flow of the refrigerant between an evaporator and a condenser fluidly connected to the evaporator; and operating a compressor to direct another fluid flow of the refrigerant from the evaporator to the compressor.
    Type: Application
    Filed: September 5, 2019
    Publication date: September 2, 2021
    Inventors: Paul V. WEYNA, Jason D. SCARCELLA, Mark J. PERKOVICH, Lei CHEN, Hai TIAN
  • Publication number: 20210266721
    Abstract: A method for electromagnetic interference adjustment and related products are provided. A current first operating frequency of a MIPI of the display is obtained by the AP, and in response to detecting that a screen state is a screen-on state and the Bluetooth assembly is enabled, a current second operating frequency of the Bluetooth assembly is obtained by the AP. Electromagnetic interference in the electronic device is detected by the AP according to the first operating frequency and the second operating frequency. In response to the detected electromagnetic interference, a target operating frequency of the MIPI is determined, and the operating frequency of the MIPI is adjusted from the first operating frequency to the target operating frequency by the AP.
    Type: Application
    Filed: May 13, 2021
    Publication date: August 26, 2021
    Inventors: Kai TANG, Zhengpeng TAN, Yun CHEN, Lizhong WANG, Hai YANG
  • Publication number: 20210266077
    Abstract: A method for electromagnetic interference control and related devices are provided. The method includes the following. Electromagnetic interference between a Wi-Fi module and a MIPI of a display of the electronic device is detected in response to detecting a request for screen-projection to a target screen-projection device. In response to the detected electromagnetic interference, the display is turned off, and screen-projection to the target screen-projection device is performed, where the first prompt message indicates that the electronic device is turning off the display and performing screen-projection to the target screen-projection device.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Kai TANG, Zhengpeng TAN, Yun CHEN, Lizhong WANG, Hai YANG
  • Publication number: 20210249199
    Abstract: A circuit breaker including at least two contact tip that comprise an electrical contact material comprising silver (Ag) and tungsten (W). The contact tip further comprises a graphene material (Gr) additively mixed in Ag as being denoted as AgGr0.3% or AgGr0.5% which is mixed with tungsten (W) to form (AgGr0.3)W50 or (AgGr0.5)W50 called a silver-graphene tungsten composite material.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 12, 2021
    Inventors: Hai Chen, Jesus Hernandez