Patents by Inventor Yijun Sun

Yijun Sun 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: 20240131168
    Abstract: Anaphthalene ring-containing compound, a pharmaceutical composition containing same, and the use thereof. A naphthalene ring-containing compound as represented by formula III, a pharmaceutically acceptable salt thereof, a solvate thereof, or a solvate of the pharmaceutically acceptable salt thereof. The compound is new in structure and has a better activity on cancers.
    Type: Application
    Filed: November 9, 2023
    Publication date: April 25, 2024
    Inventors: Liang WU, Yijun DENG, Zhenhua HE, Qiaoling SUN, Chen ZHOU, Tielin WANG
  • Publication number: 20230370024
    Abstract: Embodiments of this application provide a multiband power amplifier circuit and a radio frequency transceiver, to increase a VBW while ensuring linear correction and reducing a circuit loss. The multiband power amplifier circuit includes a first power transistor, a second power transistor, a first matching circuit, a second matching circuit, a third matching circuit, and a combiner. The first power transistor is coupled to a first input end of the combiner via the first matching circuit. The second power transistor is coupled to a second input end of the combiner via the second matching circuit. A first end of the third matching circuit is coupled to an output end of the first power transistor, and a second end of the third matching circuit is coupled to an output end of the second power transistor.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Hailei Suo, Liang Yi, Yijun Sun, Jie Sun
  • Publication number: 20220200541
    Abstract: A power amplifier circuit, a transmitter, and a network device are provided. The power amplifier circuit includes N input ports, N power amplifier branches, one combiner circuit, and one output port. Each of the N input ports is connected to one power amplifier branch, each of the power amplifier branches is connected to the combiner circuit, and the combiner circuit is further connected to the output port; the N power amplifier branches and the combiner circuit are configured to perform power amplification and combining on N input signals, to generate an output signal. The N power amplifier branches include one first power amplifier branch operates in a class AB or class B operating mode, and N?1 second power amplifier branches operate in a class C operating mode with different gate bias voltages, the gate bias voltages of the N?1 second power amplifier branches become lower in order.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 23, 2022
    Inventors: Jie SUN, Yijun SUN, Hailei SUO, Jinhu CHEN, Song LI
  • Patent number: 11303247
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 12, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Publication number: 20210336579
    Abstract: Disclosed are a rope transmission structure, a solar energy tracker and the application method thereof, relating to the technical field of solar power generation. The rope transmission structure includes a driving wheel, a driven wheel, a main transmission rope and a plurality of tracking units. The main transmission rope is connected end to end, and one end of the main transmission rope is sleeved on the driving wheel and the other end thereof is sleeved on the driven wheel. The plurality of tracking units are provided at intervals along a lengthwise direction of the main transmission rope. A rotating member is hinged on a mounting bracket, and one end of a first branch rope is connected to the rotating member and the other end thereof is connected to the main transmission rope.
    Type: Application
    Filed: July 26, 2019
    Publication date: October 28, 2021
    Inventor: Yijun SUN
  • Publication number: 20200295712
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Application
    Filed: March 26, 2020
    Publication date: September 17, 2020
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Patent number: 10622947
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: April 14, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Patent number: 10525077
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequence of the oligodeoxy nucleotide is TTYSGGAAWT, wherein Y is C or T; S is C or G; and W is A or T. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: January 7, 2020
    Assignees: JIANGSU KEYGEN BIOTECH CORP., LTD, NANJING NEW INDUSTRY INVESTMENT GROUP CO., LTD
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Patent number: 10441600
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequences of the oligodeoxy nucleotide is TTTCSCGCS, wherein S is C or G. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: October 15, 2019
    Assignees: JIANGSU KEYGEN BIOTECH CORP., LTD, NANJING NEW INDUSTRY INVESTMENT GROUP CO., LTD
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Publication number: 20190140594
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Patent number: 10251907
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequence of the oligodeoxy nucleotide is RGGGAHTTYCS, wherein R is G or A; H is A or C or T; Y is C or T; S is C or G. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: April 9, 2019
    Assignees: NANJING NEW INDUSTRY INVESTMENT GROUP CO., LTD, JIANGSU KEYGEN BIOTECH CORP., LTD
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Patent number: 10177712
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: January 8, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Publication number: 20180140627
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequences of the oligodeoxy nucleotide is TTTCSCGCS, wherein S is C or G. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 24, 2018
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Publication number: 20180142238
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequence of the oligodeoxy nucleotide is TTYSGGAAWT, wherein Y is C or T; S is C or G; and W is A or T. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 24, 2018
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Publication number: 20180135047
    Abstract: The present invention provides an oligodeoxy nucleotide for preparing drugs for inhibiting tumor growth and an application thereof. The core sequence of the oligodeoxy nucleotide is RGGGAHTTYCS, wherein R is G or A; H is A or C or T; Y is C or T; S is C or G. The oligodeoxy nucleotide above further comprises an antisense strand and a modified type thereof. The oligodeoxy nucleotide according to the present invention plays a role of inhibiting the tumor growth in vitro and vivo, and is expected to be used for preparing drugs for inhibiting tumor growth, with high specificity and high inhibition ratio.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 17, 2018
    Inventors: Xuegen Wang, Qing Ye, Yijun Sun
  • Patent number: 9666779
    Abstract: A semiconductor light emitting diode chip relates to the field of production technologies of a light emitting diode. In the present invention, corresponding graphical current extension layers are respectively disposed below an N pad and a P pad, and in all light emitting compound areas, there is electronic compound light emitting. Compared with the prior art, an area of a light emitting compound area is increased, which can effectively improve current distribution and light emitting brightness of a chip. In addition, graphical current extension can effectively increase an adhesion of a pad on a surface and improve the reliability of a chip.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: May 30, 2017
    Assignee: Yangzhou Zhongke Semiconductor Lighting Co., Ltd.
    Inventors: Yuzhe Jin, Yaping Feng, Yi Zhang, Jiajia Li, Zhicong Li, Yijun Sun, Guohong Wang
  • Publication number: 20160247989
    Abstract: A semiconductor light emitting diode chip relates to the field of production technologies of a light emitting diode. In the present invention, corresponding graphical current extension layers are respectively disposed below an N pad and a P pad, and in all light emitting compound areas, there is electronic compound light emitting. Compared with the prior art, an area of a light emitting compound area is increased, which can effectively improve current distribution and light emitting brightness of a chip. In addition, graphical current extension can effectively increase an adhesion of a pad on a surface and improve the reliability of a chip.
    Type: Application
    Filed: March 13, 2014
    Publication date: August 25, 2016
    Inventors: Yuzhe Jin, Yaping Feng, Yi Zhang, Jiajia Li, Zhicong Li, Yijun Sun, Guohong Wang
  • Patent number: 9382619
    Abstract: Disclosed herein is an apparatus for cleaning an inner surface of a film growth reaction chamber, including a supporting unit, a cleaning unit, an electric motor and a power supply apparatus. The cleaning unit includes a surface facing the inner surface of the reaction chamber, and the surface is provided with a plurality of scraping structures. The electric motor is provided on the supporting unit and includes a driving shaft. One end of the driving shaft is connected to the cleaning unit so as to drive the cleaning unit to move. The power supply apparatus is connected to the electric motor. The cleaning apparatus of the present application provides a method for cleaning the inner surface of the reaction chamber, which is highly automatic, effective and timesaving, and may ensure the quality and consistency of cleaning process.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: July 5, 2016
    Assignee: Advanced Micro-Fabrication Equipment, Inc.
    Inventors: Yinxin Jiang, Yijun Sun, Zhiyou Du
  • Publication number: 20160079929
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of network equipment. When the network equipment is in an idle state, at least one power amplifier transistor is switched off according to a voltage signal.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 17, 2016
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun
  • Patent number: 9219454
    Abstract: A method and network equipment for controlling power amplification are disclosed. The method for controlling power amplification includes outputting a voltage signal according to the state of an NE. The voltage signal is applied to a grid electrode or a base electrode of at least one power amplifier transistor in a power amplifier.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: December 22, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weimin Yin, Xikun Zhang, Jie Sun, Wei Chen, Yiping Sun, Yijun Sun