Patents by Inventor Yunfeng Li

Yunfeng Li 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: 20200201690
    Abstract: A method for performing acceleration of simultaneous access to shared data may include providing a plurality of groups of cores and a plurality of shared memory structures, providing a pod comprising the plurality of groups of cores linked by a common broadcast channel, and coordinating each shared memory structure to provide a logically unified memory structure. Each memory structure may be associated with a group of cores, and each group of cores may include one or more cores. The common broadcast channel may be operatively coupled to each shared memory structure. The coordinating each shared memory structure may include identifying a simultaneous read-reuse load to a first shared memory structure, fetching data corresponding to the simultaneous read-reuse load, and forwarding the data to shared memory structures other than the first shared memory structure and to groups of cores other than a first group of cores via the broadcast channel.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicant: SimpleMachines Inc.
    Inventors: Karthikeyan Sankaralingam, Vinay Gangadhar, Anthony Nowatzki, Yunfeng Li
  • Publication number: 20200193964
    Abstract: A method and device for training an acoustic model are provided. The method comprises determining a plurality of tasks for training an acoustic model, obtaining resource occupancies of nodes participating in the training of the acoustic model, and distributing the tasks to the nodes according to the resource occupancies of the nodes and complexities of the tasks. By using computational resources distributed at multiple nodes, tasks for training an acoustic model are performed in parallel in a distributed manner, so as to improve training efficiency.
    Type: Application
    Filed: September 13, 2019
    Publication date: June 18, 2020
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Yunfeng Li, Qingchang Hao, Yutao Gai, Chenxi Sun, Zhiping Zhou
  • Patent number: 10671361
    Abstract: Technologies relating to determining data variable dependencies to facilitate code execution are disclosed. An example method includes: identifying a set of programming statements having a plurality of data parameters; identifying first data parameters associated with a first programming statement in the set of programming statements; determining one or more parameter dependencies associated with the first data parameters; and determining, based on the one or more parameter dependencies, a first execution performance of the first programming statement. The method may further include: determining a second execution performance of the second programming statement and scheduling execution of the first programming statement and of the second programming statement based on the first and second execution performances.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: June 2, 2020
    Assignee: PayPal, Inc.
    Inventors: Xin Li, Weijia Deng, Shuan Yang, Feng Chen, Jin Yao, Zhijun Ling, Yunfeng Li, Xiaohan Yun, Yang Yu
  • Patent number: 10668161
    Abstract: Methods for modifying therapeutic agents such as therapeutic biomolecules, such as proteins for improved oral, rectal or transmucosal delivery, as well as compositions made using such methods and methods of administering such compositions to a subject, are disclosed. Specifically, the therapeutic agents are conjugated to hyperbranched polymers (HBPs), such as hyperbranched polyglycerol (HPG). When such conjugates are administered orally to a subject, the HBP protects the therapeutic agent from the acid environment of the stomach and protease attack in the gastro-intestinal tract, while facilitating the absorption of the therapeutic agent in the higher pH environment of the intestines. The methods and compositions are useful for the improved administration of a variety of therapeutic agents to a subject.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: June 2, 2020
    Assignee: The Regents of the University of California
    Inventors: Yunfeng Lu, Juanjuan Du, Jie Li, Yang Liu
  • Publication number: 20200156668
    Abstract: A waste exhaust ventilation door automatic control device comprises a core body (8), an inner door body (2) and an outer door body (1); wherein the core body is fixed on a ventilation opening of the waste exhaust ventilation door, a top of the outer door body is movably hinged on an outer side of the core body, and a bottom of the inner door body is movably hinged on an inner side of the core body; when there is no pressure fluctuation outside the core body, the outer door body and inner door body will open, and when there is pressure fluctuation outside the core body, the outer door body and/or the inner door body will be closed automatically due to a pressure difference between inside and outside the core body. A vehicle body comprising the waste exhaust ventilation door automatic control device is also provided.
    Type: Application
    Filed: May 4, 2018
    Publication date: May 21, 2020
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Shuanbao Yao, Dawei Chen, Conghui Zhang, Peng Lin, Xin Jiang, Yunfeng Li, Shaoqing Liu, Sansan Ding
  • Patent number: 10659361
    Abstract: After receiving the packet, an operation type of an operation to be performed for a packet is identified, a key value is extracted from the packet and Hash calculation is performed for the extracted key value; a calculation result of the Hash calculation is taken as a Hash entrance, and at least one Hash index table entry is found from a local Hash index table; match operation is performed between the identified operation type and the at least one Hash index table entry; the packet is processed according to a matched Hash index table entry if the matched Hash index table entry is found.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 19, 2020
    Assignee: New H3C Technologies Co., Ltd
    Inventors: Yunfeng Zhao, Jia Li
  • Patent number: 10639843
    Abstract: An enhanced digital light processing-based mask projection stereolithography method and apparatus are disclosed, where the apparatus comprises: a control platform capable of slicing a model of a to-be-prototyped object into layers, converting the layer into a bitmap, and further dividing the layer into a main body area and boundary filling areas; a digital light processing unit that is controlled by the control platform and capable of emitting a first light beam used for the corresponding main body area of the layer of the to-be-prototyped object; and a laser marking unit that is controlled by the control platform and capable of emitting a second light beam used for the corresponding boundary filling areas of the layer of the to-be-prototyped object. The present invention can not only implement high-speed prototyping but also avoid an edge distortion, thereby improving precision of object prototyping.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: May 5, 2020
    Assignee: HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.
    Inventors: Jian Yuan, Xilu Li, Yangting Qi, Hao Yang, Yunfeng Gao
  • Patent number: 10625375
    Abstract: A laser processing method for a sapphire includes: acquiring an image of the sapphire during processing; performing an edge detection to the image to acquire a coordinate of a crack; determining an offset parameter according to the coordinate of the crack; adjusting a laser processing position according to the offset parameter; and further processing the sapphire in accordance with the adjusted laser processing position.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: April 21, 2020
    Assignee: Han's Laser Technology Industry Group Co., Ltd.
    Inventors: Yanhua Wang, Zhixian Chen, Changhui Zhuang, Guodong Ma, Fuhai Li, Wei Zhu, Jiangang Yin, Yunfeng Gao
  • Publication number: 20200104029
    Abstract: Disclosed herein are pressure control systems, comprising: a touch screen electrically connected to industrial computer or embedded operating system; a pressure output channel connected to the touch screen and/or the industrial computer or embedded operating system; and pressure control unit for communicating with the pressure output channel, wherein the pressure control unit can be controlled with the touch screen, and wherein the industrial computer or embedded operating system comprises preinstalled software with User Interface (UI) for pressure control setup and running the system.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 2, 2020
    Inventors: Chen Li, Yunfeng Ling, Cifeng Fang, Yaqi Wang, Yu Liu
  • Patent number: 10563205
    Abstract: This invention discloses a nucleic acid aptamer AS1411 modified DNA tetrahedron. The preparation method includes the steps of (1) binding an AS1411 sequence to the 5? terminal of any DNA single-strand in a DNA tetrahedron, synthesizing the DNA, dissolving obtained DNA powder with ddH2O; (2) measuring an absorbance of the DNA and then calculating a total volume of the four single strands; (3) pipetting the DNA obtained in step (1) according to the calculation results in step (2), mixing the DNA with a TM buffer, mixing the mixture uniformly with vortex vibration, and performing a PCR progress. The preparation method is simple. The produced product can effectively solve the problem that the unmodified DNA tetrahedron cannot enter the nucleus and the problem that the AS1411 cannot carry drugs directly.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: February 18, 2020
    Assignee: SICHUAN UNIVERSITY
    Inventors: Yunfeng Lin, Qianshun Li, Xiaoxiao Cai, Shiyu Lin, Xiaoru Shao
  • Publication number: 20200008090
    Abstract: Provided are a method and device for determining indication signalling of a pilot signal for channel measurement, and method and device for feeding back CSI. The method for determining indication signalling of pilot signal for channel measurement includes: a NodeB sends DL control signalling, which includes transmission resource configuration information of a non-periodic CSI-RS, to a terminal, wherein the transmission resource configuration information of the non-periodic CSI-RS is used for determining a location of the non-periodic CSI-RS, and the non-periodic CSI-RS is used for instructing the terminal to perform channel measurement.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Yijian CHEN, Bo DAI, YuNgok LI, Yunfeng SUN, Senbao GUO
  • Publication number: 20190388608
    Abstract: Disclosed herein are systems comprising a pressure adjustment manifold, a pressure distribution manifold, and an electronic board, each of which are operatively connected. Also provided herein are methods of making and using the same.
    Type: Application
    Filed: June 20, 2019
    Publication date: December 26, 2019
    Inventors: Chen Li, Yunfeng Ling, Cifeng Fang, Yaqi Wang
  • Patent number: 10515854
    Abstract: The present invention relates to a laser lift-off method of wafer. The method includes the steps as follows: focusing laser in an inside for a wafer (10) to form a plurality of cracking points (19), the plurality of cracking points (19) are located on a separating surface (20); and exerting, under a temperature of ?400K to 0K, forces with opposite directions to opposite sides of the wafer (10), thereby dividing the wafer (10) into two pieces along the separating surface (20).
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: December 24, 2019
    Assignee: Han's Laser Technology Industry Group Co., Ltd.
    Inventors: Yanhua Wang, Changhui Zhuang, Fuhai Li, Wei Zeng, Wei Zhu, Jiangang Yin, Yunfeng Gao
  • Publication number: 20190380585
    Abstract: The present invention provides a femtosecond pulse laser modulator and a miniature two-photon microscopic imaging device. The femtosecond pulse laser modulator includes a negative dispersion light path and a positive dispersion light path, wherein the negative dispersion light path includes a laser input fiber, which is configured to transmit laser compensated for through prechirp; the positive dispersion light path is located between a femtosecond pulse laser and the negative dispersion light path, and is configured to compensate for, through prechirp, negative dispersion of the laser produced in the laser input fiber. The femtosecond laser modulator provided in the present invention provides distortion-free transmission for the femtosecond pulse laser with a center wavelength in 920 nm, and effectively excites commonly used biological indicators.
    Type: Application
    Filed: February 11, 2018
    Publication date: December 19, 2019
    Applicant: Peking University
    Inventors: Liangyi Chen, Weijian Zong, Heping Cheng, Runlong Wu, Mingli Li, Yunfeng Zhang, Aimin Wang
  • Patent number: 10507246
    Abstract: This invention discloses a method for preparing TDNs-AS1411-nucleic acid drug nanocomposite based drug delivery system, which includes the following steps: binding AS1411 and nucleic acid drug to a tetrahedral DNA nanostructure respectively; selecting four DNA single strands that respectively carry AS1411 and nucleic acid drug; mixing the four DNA single strands; mixing the DNA single strands and the TM buffer uniformly; putting the mixture into a PCR apparatus; raising the temperature to 95° C. quickly and maintaining for 10 min; and next cooling down to 4° C. and maintaining for 20 min to obtain the TDNs-AS1411-nucleic acid drug nanocomposite based drug delivery system. This drug delivery system can directly act on cell nucleus and will not be degraded by lysosomal. The targeting specificity is good. The drug can take a good efficacy and the pertinency is high.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: December 17, 2019
    Assignee: Sichuan University
    Inventors: Yunfeng Lin, Sirong Shi, Xiaoxiao Cai, Shiyu Lin, Qianshun LI
  • Publication number: 20190372380
    Abstract: A method for controlling a DC bus voltage in a DC bus system, the system including a DC bus and an energy storage unit coupled to the DC bus, includes: detecting a DC bus voltage; detecting, by the energy storage unit, a DC bus voltage of the DC bus; determining, by the energy storage unit, a power reference value based on the DC bus voltage; and adjusting, by the energy storage unit, one of output power and absorbing power based on the power reference value.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 5, 2019
    Applicant: Delta Electronics,Inc.
    Inventors: Guoqiao SHEN, Guojin XU, Changliang LIU, Jian LI, Yunfeng LIU, Jinfa ZHANG
  • Patent number: 10469202
    Abstract: The invention provides an FEC (Forward error correction) mechanism based on media content. The mechanism classifies the media content, and endows it with different importance, and then changes the coding scheme according to the packets belonging to frames of different importance in combination with channel conditions and user experience, to conduct protection according to the importance of corresponding frames. By using the technical scheme of the invention, for the data congestion caused by excessive coding in the current FEC system, the media content is able to be classified and endowed with different importance, and controlled by signaling and indicating bit; different FEC coding strengths is able to be adopted; the duplication-expanding window fountain code with the unequal error protection performance is able to be further adopted, to achieve the maximum guarantee of media content quality and reduce the large amount of data caused by FEC.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: November 5, 2019
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Yiling Xu, Wenjun Zhang, Jun Sun, Xuguo Tang, Wei Huang, Bo Li, Yunfeng Guan, Ning Liu
  • Patent number: 10470266
    Abstract: An LED dimming load sudden change suppression circuit is applied to an LED dimming circuit. The LED dimming load sudden change suppression circuit includes a MOS transistor Q1, a sampling resistor R1, an error amplifier U1, and a DC-DC module U2, which can ensure that the total current of the LED dimming circuit is constant and avoid damage to LEDs.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: November 5, 2019
    Assignee: SI EN TECHNOLOGY (XIAMEN) LIMITED
    Inventors: Yunfeng Li, Liping Xiu
  • Patent number: 10442804
    Abstract: The present disclosure generally relates to compounds and pharmaceutical compositions which may be used in methods of treating a hepatitis B virus infection.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: October 15, 2019
    Assignee: GILEAD SCIENCES, INC.
    Inventors: Evangelos Aktoudianakis, Eda Canales, Kevin S. Currie, Darryl Kato, Jiayao Li, John O. Link, Samuel E. Metobo, Roland D. Saito, Scott D. Schroeder, Nathan Shapiro, Winston C. Tse, Qiaoyin Wu, Yunfeng Eric Hu
  • Patent number: 10440069
    Abstract: A system, apparatus, and method for maintaining the consistency of global information is disclosed herein. In one embodiment, the method includes retrieving current version information associated with the global information from a global information server; retrieving global information from the global information server based on the current version information; updating a period of validity of the current version information based on a status of communication with the global information server; and suspending a network service for the global information when detecting that the period of validity of the current version information has expired.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 8, 2019
    Assignee: ALIBABA GROUP HOLDING LIMITED
    Inventors: Yunfeng Zhu, Yijun Lu, Yanchao Li, Jibin Lei, Yunfeng Tao, Zhiyang Tang, Jun Yu, Jia Feng, DongBai Guo