Patents by Inventor Yongfeng Wang

Yongfeng Wang 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: 20190375117
    Abstract: The present disclosure relates to a robot, and provides a 3 degree-of-freedom parallel mechanism with 3 branched-chains, which includes a fixed platform, a movable platform, and three arc-shaped connecting rods. The rotation axes of three arc-shaped connecting rods are intersected with each other and each rotation axes is parallel to the fixed platform. Each arc-shaped connecting rod has a sliding slot curved extending along a longitudinal direction. The three connecting shafts one-to-one corresponds to the three arc-shaped connecting rods and are disposed on the movable platform. A first end of each connecting shaft is fixedly connected with the movable platform. A second end is hinged joint with a connecting head. The connecting head is slid and disposed in the corresponding sliding slot.
    Type: Application
    Filed: November 14, 2016
    Publication date: December 12, 2019
    Inventors: Yongfeng Wang, Guoru Zhao, Jing Yang, Xiaojun Zhang
  • Patent number: 10368866
    Abstract: The disclosure relates to a surgical instrument and discloses a flexible drive member, an end-effector, and a surgical instrument. The flexible drive member includes a distal portion, a proximal portion, and a bendable portion therebetween, wherein the bendable portion includes a plurality of wire bundles extending in the length direction of the flexible drive member, and a flexible casing enclosing the plurality of wire bundles. In the technical solutions of the disclosure, the bendable portion is provided with some rigidity and flexibility due to the plurality of wire bundles, and the flexibly casing can fix the plurality of wire bundles relatively and can alleviate friction rate of the surface of the flexible drive member and further improve the rigidity of the flexible drive member.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: August 6, 2019
    Assignee: Reach Surgical, Inc.
    Inventors: Yongfeng Wang, Gan Zhang
  • Publication number: 20190223283
    Abstract: A device for continuously generating high intensity neutrons is provided. The device includes a differential vacuum system, a throttle pipe, a linear target tube and a solid target device arranged in sequence along a moving direction of a beam. The beam and a gaseous medium react in the linear target tube, and the beam and a solid medium react in the solid target device. Two ends of an inner cavity of the linear target tube are hermetically connected to the throttle pipe and a chamber of the solid target device, respectively.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 18, 2019
    Applicant: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CAS
    Inventors: Yican WU, Yongfeng WANG, Xiang JI, Zhumin ZHAO, Wen WANG
  • Patent number: 10307158
    Abstract: Disclosed are an articulating assembly and a surgical instrument using the same. The articulating assembly includes a driver assembly configured to articulate an end effector of said surgical instrument, where said driver assembly includes: a screw portion rotatably mounted in a stationary handle of said surgical instrument, an axis of which is parallel to an axis of an elongated portion of said surgical instrument, wherein said screw portion is provided with at least two segments with opposite threads; two articulation plates in connection with said two thread segments, respectively, wherein a distal end of each articulation plate is in connection with said end effector of said surgical instrument; and a rotating sleeve coaxially sheathed on said screw portion so as to be in connection therewith through a gear assembly when being located at an articulation position.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: June 4, 2019
    Assignee: REACH SURGICAL INC.
    Inventor: Yongfeng Wang
  • Patent number: 10275742
    Abstract: Methods and devices for email management are provided. According to email information of emails in an email box, whether an email box contains advertisement emails is determined. The email information at least contains sender addresses of the emails. When the email box contains the advertisement emails, classification data of the advertisement emails are obtained by obtaining the email information of the advertisement emails and classifying the advertisement emails, according to the sender addresses thereof, to form advertisement-email sets with each set containing at least one advertisement email. The at least one advertisement email in a same advertisement-email set has a same sender address. The advertisement emails are displayed according to the classification data thereof. Accordingly, the email managing device includes a determining module, an obtaining module, and a displaying module.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: April 30, 2019
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Tieming Huang, Yongfeng Wang, Jiajian Xu, Shaohua Luo, Xi Chen
  • Patent number: 10253007
    Abstract: The present invention provides taxanes compounds with a formula (I) or formula (II) structure, a method for preparing the compounds, as well as the use of the compositions containing the compounds, pharmaceutically acceptable salts and solvates thereof as active ingredients in manufacturing oral antitumor medicaments, In formula (I), R1 is —COR6, —COOR6 or —CONR7aR7b; R2 is a C1-C6 alkyl, a C1-C6 alkenyl, a substituted hydrocarbon group, a heterocyclic group, an aromatic group or a substituted aromatic group; R3 is —OR6, —OCOOR6, —OCOSR6 or —OCONR7aR7b; R4 is —OR6, —OCOOR6, —OCOSR6, —OCONR7aR7b or H; wherein, R6 is a C1-C6 alkyl, a C1-C6 alkenyl, a C1-C6 alkynyl, a substituted hydrocarbon group, an aromatic group or a heterocyclic group; R7a and R7b are respectively hydrogen, a hydrocarbon group, a substituted hydrocarbon group or a heterocyclic group.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: April 9, 2019
    Assignee: Jiangsu Tasly Diyi Pharmaceutical Co., Ltd.
    Inventors: Wei Zhou, Yunrong Jing, Yongfeng Wang, Guocheng Wang
  • Patent number: 10238384
    Abstract: A suturing nail includes a first nail body a second nail body being intertwined mutually to form a helix portion; a first nail crown extending from an end of the first nail body; a second nail crown extending from an end of the second nail body and opposite to the first nail crown, the first and the second nail crown being located on the same side of the helix portion and perpendicular to the helix portion; a first nail leg extending from the other end of the first nail body; a second nail leg extending from the other end of the second nail body and being spaced from the first nail, the first and the second nail leg are located on the same side of the helix portion, the first nail leg and the second nail leg are parallel to the helix portion.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: March 26, 2019
    Assignee: Shenzhen Institutes of Advance Technology Chinese Academy of Sciences
    Inventors: Guoru Zhao, Yongfeng Wang
  • Patent number: 9890175
    Abstract: Provided are taxanes compounds having the structure of formula I, preparation method thereof, and uses of compositions having the compound, pharmaceutical salts and solvates thereof as active ingredients in the preparation of oral antitumor drugs. In the formula, R1 is —COR6, —COOR6, and —CONR7aR7b; R2 is C1-C6 alkyl, C1-C6 alkenyl group, a substituted hydrocarbon group, a heterocyclic group, an aromatic group or a substituted aromatic group; R3 is —OR6, —OCOOR6, —OCOSR6, and —OCONR7aR7b; R4 is —OR6, —OCOOR6, —OCOSR6, —OCONR7aR7b, H, and OH; R6 is C1-C6 alkyl, C1-C6 alkenyl, C1-C6 alkynyl group, a substituted hydrocarbon group, an aromatic group or a heterocyclic group; and R7a and R7b are respectively hydrogen, a hydrocarbon group, a substituted hydrocarbon group or a heterocyclic group.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: February 13, 2018
    Assignee: JIANGSU TASLY DIYI PHARMACEUTICAL CO., LTD.
    Inventors: Wei Zhou, Yunrong Jing, Yongfeng Wang, Guocheng Wang
  • Patent number: 9884870
    Abstract: The present application discloses an A-type polymorphic substance of yonkenafil hydrochloride and a preparation method, a composition and use thereof. The powder diffraction pattern of the A-type polymorphic substance of yonkenafil hydrochloride comprises diffraction peaks at three or more 2? values selected from: 8.4±0.2°, 11.3±0.2°, 13.9±0.2°, 14.2±0.2°, 14.7±0.2°, 16.8±0.2°, 17.1±0.2°, 19.7±0.2°, 21.0±0.2°, 21.7±0.2°, 22.4±0.2°, 23.3±0.2°, 23.8±0.2°, 26.8±0.2°, 27.5±0.2°, 28.0±0.2°.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: February 6, 2018
    Assignee: Yangtze River Pharmaceutical Group Co., Ltd.
    Inventors: Haibo Zhang, Lingwu Chen, Xianfeng Lu, Huixing Liang, Yongfeng Wang, Lianyong Shi, Hongpeng Luo
  • Publication number: 20170349592
    Abstract: The present application discloses an A-type polymorphic substance of yonkenafil hydrochloride and a preparation method, a composition and use thereof. The powder diffraction pattern of the A-type polymorphic substance of yonkenafil hydrochloride comprises diffraction peaks at three or more 2? values selected from: 8.4±0.2°, 11.3±0.2°, 13.9±0.2°, 14.2±0.2°, 14.7±0.2°, 16.8±0.2°, 17.1±0.2°, 19.7±0.2°, 21.0±0.2°, 21.7±0.2°, 22.4±0.2°, 23.3±0.2°, 23.8±0.2°, 26.8±0.2°, 27.5±0.2°, 28.0±0.2°.
    Type: Application
    Filed: November 19, 2015
    Publication date: December 7, 2017
    Inventors: Haibo Zhang, Lingwu Chen, Xianfeng Lu, Huixing Liang, Yongfeng Wang, Lianyong Shi, Hongpeng Luo
  • Patent number: 9700307
    Abstract: A suturing nail includes a first nail body a second nail body being intertwined mutually to form a helix portion; a first nail crown extending from an end of the first nail body; a second nail crown extending from an end of the second nail body and opposite to the first nail crown, the first and the second nail crown being located on the same side of the helix portion and perpendicular to the helix portion; a first nail leg extending from the other end of the first nail body; a second nail leg extending from the other end of the second nail body and being spaced from the first nail, the first and the second nail leg are located on the same side of the helix portion, the first nail leg and the second nail leg are parallel to the helix portion. The suturing nail is not deformed easily.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: July 11, 2017
    Assignee: Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences
    Inventors: Guoru Zhao, Yongfeng Wang
  • Publication number: 20170079648
    Abstract: Disclosed are an articulating assembly and a surgical instrument using the same. The articulating assembly includes a driver assembly configured to articulate an end effector of said surgical instrument, where said driver assembly includes: a screw portion rotatably mounted in a stationary handle of said surgical instrument, an axis of which is parallel to an axis of an elongated portion of said surgical instrument, wherein said screw portion is provided with at least two segments with opposite threads; two articulation plates in connection with said two thread segments, respectively, wherein a distal end of each articulation plate is in connection with said end effector of said surgical instrument; and a rotating sleeve coaxially sheathed on said screw portion so as to be in connection therewith through a gear assembly when being located at an articulation position.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 23, 2017
    Inventor: Yongfeng Wang
  • Publication number: 20170049443
    Abstract: A suturing nail includes a first nail body a second nail body being intertwined mutually to form a helix portion; a first nail crown extending from an end of the first nail body; a second nail crown extending from an end of the second nail body and opposite to the first nail crown, the first and the second nail crown being located on the same side of the helix portion and perpendicular to the helix portion; a first nail leg extending from the other end of the first nail body; a second nail leg extending from the other end of the second nail body and being spaced from the first nail, the first and the second nail leg are located on the same side of the helix portion, the first nail leg and the second nail leg are parallel to the helix portion.
    Type: Application
    Filed: November 7, 2016
    Publication date: February 23, 2017
    Inventors: GUORU ZHAO, YONGFENG WANG
  • Publication number: 20170032320
    Abstract: Methods and devices for email management are provided. According to email information of emails in an email box, whether an email box contains advertisement emails is determined. The email information at least contains sender addresses of the emails. When the email box contains the advertisement emails, classification data of the advertisement emails are obtained by obtaining the email information of the advertisement emails and classifying the advertisement emails, according to the sender addresses thereof, to form advertisement-email sets with each set containing at least one advertisement email. The at least one advertisement email in a same advertisement-email set has a same sender address. The advertisement emails are displayed according to the classification data thereof. Accordingly, the email managing device includes a determining module, an obtaining module, and a displaying module.
    Type: Application
    Filed: November 13, 2014
    Publication date: February 2, 2017
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: TIEMING HUANG, YONGFENG WANG, JIAJIAN XU, SHAOHUA LUO, XI CHEN
  • Publication number: 20160340365
    Abstract: Provided are taxanes compounds having the structure of formula I, preparation method thereof, and uses of compositions having the compound, pharmaceutical salts and solvates thereof as active ingredients in the preparation of oral antitumor drugs. In the formula, R1 is —COR6, —COOR6, and —CONR7aR7b; R2 is C1-C6 alkyl, C1-C6 alkenyl group, a substituted hydrocarbon group, a heterocyclic group, an aromatic group or a substituted aromatic group; R3 is —OR6, —OCOOR6, —OCOSR6, and —OCONR7aR7b; R4 is —OR6, —OCOOR6, —OCOSR6, —OCONR7aR7b, H, and OH; R6 is C1-C6 alkyl, C1-C6 alkenyl, C1-C6 alkynyl group, a substituted hydrocarbon group, an aromatic group or a heterocyclic group; and R7a and R7b are respectively hydrogen, a hydrocarbon group, a substituted hydrocarbon group or a heterocyclic group.
    Type: Application
    Filed: November 21, 2014
    Publication date: November 24, 2016
    Inventors: Wei Zhou, Yunrong Jing, Yongfeng Wang, Guocheng Wang
  • Publication number: 20160297784
    Abstract: The present invention provides taxanes compounds with a formula (I) or formula (II) structure, a method for preparing the compounds, as well as the use of the compositions containing the compounds, pharmaceutically acceptable salts and solvates thereof as active ingredients in manufacturing oral antitumor medicaments, In formula (I), R1 is —COR6, —COOR6 or —CONR7aR7b; R2 is a C1-C6 alkyl, a C1-C6 alkenyl, a substituted hydrocarbon group, a heterocyclic group, an aromatic group or a substituted aromatic group; R3 is —OR6, —OCOOR6, —OCOSR6 or —OCONR7aR7b; R4 is —OR6, —OCOOR6, —OCOSR6, —OCONR7aR7b or H; wherein, R6 is a C1-C6 alkyl, a C1-C6 alkenyl, a C1-C6 alkynyl, a substituted hydrocarbon group, an aromatic group or a heterocyclic group; R7a and R7b are respectively hydrogen, a hydrocarbon group, a substituted hydrocarbon group or a heterocyclic group.
    Type: Application
    Filed: November 21, 2014
    Publication date: October 13, 2016
    Inventors: Wei Zhou, Yunrong Jing, Yongfeng Wang, Guocheng Wang
  • Publication number: 20160296231
    Abstract: The disclosure relates to a surgical instrument and discloses a flexible drive member, an end-effector, and a surgical instrument. The flexible drive member includes a distal portion, a proximal portion, and a bendable portion therebetween, wherein the bendable portion includes a plurality of wire bundles extending in the length direction of the flexible drive member, and a flexible casing enclosing the plurality of wire bundles. In the technical solutions of the disclosure, the bendable portion is provided with some rigidity and flexibility due to the plurality of wire bundles, and the flexibly casing can fix the plurality of wire bundles relatively and can alleviate friction rate of the surface of the flexible drive member and further improve the rigidity of the flexible drive member.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 13, 2016
    Inventors: Yongfeng WANG, Gan Zhang
  • Publication number: 20160270782
    Abstract: A suturing nail includes a first nail body a second nail body being intertwined mutually to form a helix portion; a first nail crown extending from an end of the first nail body; a second nail crown extending from an end of the second nail body and opposite to the first nail crown, the first and the second nail crown being located on the same side of the helix portion and perpendicular to the helix portion; a first nail leg extending from the other end of the first nail body; a second nail leg extending from the other end of the second nail body and being spaced from the first nail, the first and the second nail leg are located on the same side of the helix portion, the first nail leg and the second nail leg are parallel to the helix portion. The suturing nail is not deformed easily.
    Type: Application
    Filed: February 13, 2014
    Publication date: September 22, 2016
    Inventors: GUORU ZHAO, YONGFENG WANG
  • Patent number: 8821913
    Abstract: The present invention relates to a controlled release system, in particular to a controlled release system containing temozolomide.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: September 2, 2014
    Assignee: Tasly Holding Group Co., Ltd.
    Inventors: Yongfeng Wang, Dan Fei
  • Patent number: 8461165
    Abstract: The invention relates to the compounds of formula I, their preparation and the pharmaceutical compositions containing the compounds. The invention also relates to the use of the compounds of formula I in preparing medicines, which can treat sexual dysfunction of animals including human (male and female), especially erectile dysfunction of male and the diseases in which the function of phospholipase 5 (cGMP PDE5) is involved.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: June 11, 2013
    Assignees: Yangtze River Pharmaceutical (Group) Co., Ltd, Tianjin North Pharma Sci-Tech Co., Ltd
    Inventors: Yongfeng Wang, Kejun Zhao