Patents by Inventor Chung Hang Leung

Chung Hang Leung 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: 11958868
    Abstract: Method of inhibiting a protein-protein interaction between Von Hippel-Lindau tumor-suppressor protein and hypoxia-inducible factor 1-alpha useful in the treatment of angiogenesis-related diseases and promoting wound healing.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: April 16, 2024
    Assignees: University of Macau, Hong Kong Baptist University
    Inventors: Chung Hang Leung, Dik Lung Ma, Ligen Lin, Guodong Li, Chung Nga Ko, Dan Li, Chao Yang
  • Patent number: 11864698
    Abstract: A tool that is either hand-guided, or machine-guided, for performing surface treatments, such as mopping, of overhead surfaces includes a head for carrying an agitator having a generally planar face that is applied against the overhead surface being treated in uses. A transmission transmits power from a drive motor to the agitator, and an interface on the head is provided for connection to a mounting device by which the head is oriented and guided.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: January 9, 2024
    Assignee: Logistics and Supply Chain MultiTech R&D Centre Limited
    Inventors: Ka Lun Fan, Chung Hang Leung, Chun On Wong
  • Publication number: 20230391810
    Abstract: Method of inhibiting a protein-protein interaction between Von Hippel-Lindau tumor-suppressor protein and hypoxia-inducible factor 1-alpha useful in the treatment of angiogenesis-related diseases and promoting wound healing.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 7, 2023
    Inventors: Chung Hang LEUNG, Dik Lung MA, Ligen LIN, Guodong LI, Chung Nga KO, Dan LI, Chao YANG
  • Publication number: 20230277026
    Abstract: A tool that is either hand-guided, or machine-guided, for performing surface treatments, such as mopping, of overhead surfaces includes a head for carrying an agitator having a generally planar face that is applied against the overhead surface being treated in uses. A transmission transmits power from a drive motor to the agitator, and an interface on the head is provided for connection to a mounting device by which the head is oriented and guided.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 7, 2023
    Inventors: Ka Lun Fan, Chung Hang Leung, Chun On Wong
  • Publication number: 20230211951
    Abstract: A baggage management system includes: a storage rack including a plurality of receptacles shaped and structured to retain one or more baggage items; a baggage transportation system including a plurality of automated guided vehicles (AGVs) configured to transport one or more baggage items between a pick up point, a drop off point, and the storage rack, each AGV including a a wireless communication unit and a controller configured to control movement of the specific AGV based on received control instructions; and a baggage administration server including a processor, a memory unit, and a wireless communication interface, and configured to receive a request to store or retrieve a baggage item from the storage rack, determine the position of the one or more AGVs, identify the one or more AGVs required to either store or retrieve a baggage item as defined in the request, and transmit control instructions to the AGVs.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 6, 2023
    Inventors: Ka Lun FAN, Chung Hang LEUNG
  • Patent number: 11584181
    Abstract: An autonomous guided vehicle comprising a platform adapted to carry a load thereon in a working position; a plurality of suspension devices connected to the platform, each suspension device having a sensor and an actuator; and a plurality of wheels associated with the suspension devices; wherein a first wheel is associated with a first suspension device such that the sensor of the first suspension device is adapted to provide a signal when a relative position of the first wheel and the platform is altered.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: February 21, 2023
    Assignee: Hong Kong R&D Centre for Logistics and Supply Chain Management Enabling Technologies Limited
    Inventors: Ka Lun Fan, King Sau Wong, Wing Leung Chow, Chung Hang Leung
  • Publication number: 20210114429
    Abstract: An autonomous guided vehicle comprising a platform adapted to carry load thereon in a working position; a plurality of suspension devices connected to the platform, each suspension device having a sensor and an actuator; and a plurality of wheels associated with the suspension devices; wherein a first wheel is associated with a first suspension device such that the sensor of the first suspension device is adapted to provide a sign when a relative position of the first wheel and the platform is altered.
    Type: Application
    Filed: March 15, 2017
    Publication date: April 22, 2021
    Inventors: Ka Lun Fan, King Sau Wong, Wing Leung Chow, Chung Hang Leung
  • Patent number: 10864638
    Abstract: An apparatus or system for reinforcement bar (rebar) joint recognition using artificial intelligence vision includes a rebar tying tool attached to a micro manipulator; and a macro manipulator for moving the position of the micro manipulator; wherein the macro manipulator is adapted to move the micro manipulator on a first plane; the micro manipulator is adapted to move the rebar tying tool on a second plane parallel to the first plane and at a first axis vertical to the second plane.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 15, 2020
    Assignee: Logistics and Supply Chain MultiTech R&D Centre Limited
    Inventors: Ka Lun Fan, Yan Nei Law, King Sau Wong, Chung Hang Leung
  • Publication number: 20200101616
    Abstract: An apparatus or system for reinforcement bar (rebar) joint recognition using artificial intelligence vision includes a rebar tying tool attached to a micro manipulator; and a macro manipulator for moving the position of the micro manipulator; wherein the macro manipulator is adapted to move the micro manipulator on a first plane; the micro manipulator is adapted to move the rebar tying tool on a second plane parallel to the first plane and at a first axis vertical to the second plane.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 2, 2020
    Inventors: Ka Lun Fan, Yan Nei Law, King Sau Wong, Chung Hang Leung
  • Patent number: 10151699
    Abstract: A luminescent Ir(III) complex is used to develop a label-free G-quadruplex-based assay for lead ions in liquid or solution. In particular, the present invention describes method for monitoring lead ion concentration in water.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: December 11, 2018
    Assignees: Hong Kong Baptist University, University of Macau
    Inventors: Dik-Lung Ma, Chung-Hang Leung, Kangning Ren
  • Patent number: 10145825
    Abstract: A luminescent Ir(III) complex it used to develop a label-free G-quadruplex-based assay for lead ions in a liquid or aqueous solution. In particular, the present invention describes method for monitoring lead ion concentration in water.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: December 4, 2018
    Assignees: Hong Kong Baptist University, University of Macau
    Inventors: Dik-Lung Ma, Sheng Lin, Chung-Hang Leung
  • Patent number: 9840526
    Abstract: Bromodomain-containing protein 4 (BRI)) has recently emerged as an attractive epigenetic target for anticancer therapy. Iridium(III) complexes are useful as irreversible inhibitor of BRD4. Complex 1a of the formula: is particularly useful.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: December 12, 2017
    Assignees: University of Macau, Hong Kong Baptist University, Kaohsiung Medical University
    Inventors: Chung-Hang Leung, Hai-Jing Zhong, Dik-Lung Ma, Hui-Min Wang
  • Publication number: 20170145472
    Abstract: The present invention provides a method of detecting helicase activity in a test solution, providing a substrate solution containing a double-stranded DNA, wherein said double-stranded DNA is a substrate for a helicase to be detected; (b) introducing the substrate solution to the test solution to form a reaction solution; (c) applying a luminescent probe into the reaction solution to form a mixture; and (d) measuring a luminescent response of the luminescent probe in the mixture, wherein the luminescent response corresponds to the helicase activity in the test solution. The present invention also refers to a method of screening a potent luminescent probe for detecting helicase activity, and a series of luminescent Ir (III) complexes.
    Type: Application
    Filed: November 24, 2015
    Publication date: May 25, 2017
    Inventors: Dik-Lung Ma, Chung-Hang Leung, Hai-Jing Zhong, Bingyong He
  • Patent number: 9657044
    Abstract: A compound of the formula: Also, a method for antagonizing STAT3 dimerization in a patient in need thereof which by administering to such patient a therapeutically acceptable dose of the compound of Formula I. Further, a method for treating a cancer patient in need thereof by administering a therapeutically effective dose of the compound of Formula I.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: May 23, 2017
    Assignees: University of Macau, Hong Kong Baptist University, Kaohsiung Medical University
    Inventors: Chung-Hang Leung, Dik-Lung Ma, Hui-Min Wang
  • Publication number: 20170102331
    Abstract: A luminescent Ir(III) complex it used to develop a label-free G-quadruplex-based assay for lead ions in a liquid or aqueous solution. In particular, the present invention describes method for monitoring lead ion concentration in water.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Inventors: Dik-Lung MA, Sheng LIN, Chung-Hang LEUNG
  • Publication number: 20170102330
    Abstract: A luminescent Ir(III) complex is used to develop a label-free G-quadruplex-based assay for lead ions in liquid or solution. In particular, the present invention describes method for monitoring lead ion concentration in water.
    Type: Application
    Filed: October 12, 2016
    Publication date: April 13, 2017
    Inventors: Dik-Lung MA, Chung-Hang LEUNG, Kangning REN
  • Publication number: 20160347779
    Abstract: A compound of the formula: Also, a method for antagonizing STAT3 dimerization in a patient in need thereof which by administering to such patient a therapeutically acceptable dose of the compound of Formula I. Further, a method for treating a cancer patient in need thereof by administering a therapeutically effective dose of the compound of Formula I.
    Type: Application
    Filed: May 31, 2016
    Publication date: December 1, 2016
    Applicants: University of Macau, Hong Kong Baptist University, Kaohsiung Medical University
    Inventors: Chung-Hang Leung, Dik-Lung Ma, Hui-Min Wang
  • Publication number: 20090177129
    Abstract: The present invention is a wrist massager particularly applying to the wrist part of human being adopting acupressure theory of Traditional Chinese Medicine (TCM) in order to circumvent wrist musculoskeletal disorders (MSDs). It comprises a wrist band operably engaged a control panel 4 and a motorised cushion housing 2 with protruding massage means3. The wrist band added with size-adjustable mechanism is designed for users to fit their wrist into the massager comfortably and firmly. It contains a motor/motors to produce vibration and deliver reciprocating and/or rotary massaging effect via the massage means3. Alternatively, the wrist massager is a plate 8 with planar bottom and a housing placed on the surface of the plate 8. A detachable massaging means protrudes from the surface of the said housing.
    Type: Application
    Filed: January 4, 2008
    Publication date: July 9, 2009
    Applicant: AVITON CARE LIMITED
    Inventors: Chung Man Chan, Ken Chung Hang Leung, Lok Ting Wong, Ka Lun Fan, Ching Ching Cheung, Hung Keung Tse
  • Publication number: 20090076422
    Abstract: The present invention relates to an acupressure pen and methods of acupressure treatment, wherein said pen is capable of determining the optimal range for treatment on a particular acupoint, and recalling such optimal range during subsequent treatments. Through the use of a grid system, infrared communicator, and microcontroller, the pen is capable of being set and storing results in a matrix.
    Type: Application
    Filed: September 17, 2007
    Publication date: March 19, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Thomas Kwok Shing Wong, Joanne Wai Yee Chung, Shing Yen Chan, Ka Ho Cheung, Wilson Sin Man Lee, Chung Hang Leung, Ka Lun Fan