Patents by Inventor Liangjing Yang

Liangjing Yang 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: 20250229427
    Abstract: The invention pertains to a master-slave teleoperation robot system utilizing force mixed reality, relevant to teleoperation robot technology. The system consists of a master robot linked to a mixed reality device, which receives point cloud information to create a virtual environment. The slave robot features a depth camera that captures point cloud data from the real environment, transmitting it to the master robot in real time. This point cloud information generates a virtual fixture, which produces virtual force applied to the slave robot. The virtual force interacts with the actual environmental forces acting on the slave robot, guiding the operator's behavior at the master side. The system addresses incorrect occlusion between the real dynamic robot and the virtual scene by blending virtual and real elements. Through mixed reality with force guidance and feedback, it minimizes the risk of potentially harmful collisions during operations.
    Type: Application
    Filed: October 18, 2024
    Publication date: July 17, 2025
    Applicant: ZHEJIANG UNIVERSITY
    Inventors: Liangjing YANG, Yunze SHI, Xianhao CHEN, Tengyue WANG, Haonan MAI, Jiawei YU
  • Publication number: 20210059762
    Abstract: A method and a system for registering real-time intra-operative image data of a body to a model of the body, the method comprising, segmenting a plurality of image data of the body obtained using a pre-operative imaging device; constructing the model of the body from the segmented plurality of image data; identifying one or more landmark features on the model of the body; acquiring the real-time intra-operative image data of the body using an intra-operative imaging device; and registering the real-time intra-operative image data of the body to the model of the body by matching one or more landmark features labelled on the real-time intra-operative image data to one or more corresponding landmark features on the model of the body, wherein the one or more landmark features comprises a superior and an inferior pole of the body.
    Type: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Inventors: Foo Cheong NG, Sey Kiat Terence LIM, Subburaj KARUPPPASAMY, U-Xuan TAN, Lujie CHEN, Shaohui FOONG, Liangjing YANG, Hsieh-Yu LI, Ishara Chaminda Kariyawasam PARANAWITHANA, Zhong Hoo CHAU, Muthu Rama Krishnan MOOKIAH
  • Patent number: 8764448
    Abstract: A robotic device for use in image-guided robot assisted surgical training, the robotic device comprising a manual interface structure configured to simulate handling of a surgical tool; a translational mechanism for translational motion of the manual interface structure; a rotational mechanism for rotational motion of the manual interface structure; and a spherical mechanism configured to decouple the orientation of the manual interface structure into spatial coordinates, wherein a linkage between the rotational mechanism, the rotational mechanism and the spherical mechanism, and the manual interface structure are disposed on opposing sides of an intersection of a pitch axis and a yaw axis of the spherical mechanism.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: July 1, 2014
    Assignees: Agency for Science, Technology and Research, National University Hospital (s) PTE Ltd, National University of Singapore
    Inventors: Tao Yang, Liangjing Yang, Jiang Liu, Chee Kong Chui, Weimin Huang, Jing Zhang, Jiayin Zhou, Beng Hai Lee, Ngan Meng Tan, Wing Kee Damon Wong, Fengshou Yin, Kin Yong Chang, Yi Su
  • Publication number: 20130224710
    Abstract: A robotic device for use in image-guided robot assisted surgical training, the robotic device comprising a manual interface structure configured to simulate handling of a surgical tool; a translational mechanism for translational motion of the manual interface structure; a rotational mechanism for rotational motion of the manual interface structure; and a spherical mechanism configured to decouple the orientation of the manual interface structure into spatial coordinates, wherein a linkage between the rotational mechanism, the rotational mechanism and the spherical mechanism, and the manual interface structure are disposed on opposing sides of an intersection of a pitch axis and a yaw axis of the spherical mechanism.
    Type: Application
    Filed: September 1, 2011
    Publication date: August 29, 2013
    Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, NATIONAL UNIVERSITY OF SINGAPORE, NATIONAL UNIVERSITY HOSPITAL (S) PTE LTD
    Inventors: Tao Yang, Liangjing Yang, Jiang Liu, Chee Kong Chui, Weimin Huang, Jing Zhang, Jiayin Zhou, Beng Hai Lee, Ngan Meng Tan, Wing Kee Damon Wong, Fengshou Yin, Kin Yong Chang, Yi Su