Patents by Inventor Yi Tsun Richard Kao

Yi Tsun Richard Kao 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: 20230278971
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Publication number: 20230041593
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: September 20, 2022
    Publication date: February 9, 2023
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Publication number: 20220378751
    Abstract: The present invention can inhibit dihydrofolate reductase in a microorganism. In some aspects, it may also suppress pigment formation in gram negative bacteria. The suppression of pigment formation can also mediate virulence suppression on other Gram negative bacteria. As such, the compounds may be used for microbial infections. The compounds can potentiate the effects of one or more antimicrobial agents when co-administered. Compositions including the compounds are provided. The composition can further include at least one antibiotic.
    Type: Application
    Filed: July 22, 2022
    Publication date: December 1, 2022
    Inventors: Yi Tsun Richard KAO, Hin Cheung Bill YAM, Peng GAO, Ho Ting IU
  • Patent number: 11446280
    Abstract: Provided herein are compounds, derivatives thereof, and compositions including one or more of the compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): The present methods include administering to a subject an effective amount of one or more compounds of Formula (I). In one embodiment, the microbial infections are bacterial infections. More specifically, the bacterial infections are staphylococcal infections.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: September 20, 2022
    Assignee: VERSITECH LIMITED
    Inventors: Yi Tsun Richard Kao, Peng Gao, Xuechen Li, Ming Liu
  • Publication number: 20210309622
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Patent number: 11052078
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: July 6, 2021
    Assignee: Versitech Limited
    Inventors: Yi Tsun Richard Kao, Peng Gao, Xuechen Li, Ming Liu
  • Patent number: 11040949
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: June 22, 2021
    Assignee: Versitech Limited
    Inventors: Yi Tsun Richard Kao, Peng Gao, Xuechen Li, Ming Liu
  • Publication number: 20200392095
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 17, 2020
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Patent number: 10792275
    Abstract: The present invention is a method of inhibiting the replication of an influenza virus by using an antiviral compound to inhibit the binding of an influenza-virus PB2 subunit to an RNA cap. The antiviral compound may be 5-iodo-2-[(3-methyl-4-nitrobenzoyl)amino]benzoic acid; 3,3?-[(4-methylphenyl)methylene]bis(4-hydroxy-2H-chromen-2-one); or 7-(4-hydroxy-2-oxo-2H-chromen-3-yl)-6H,7H,8Hchromeno[3,4?:5,6]pyrano[3,2-c]chromene-6,8-dione. The aforementioned antiviral compounds have successfully inhibited the replication of influenza virus in vitro and in vivo in mouse models.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: October 6, 2020
    Assignee: Sinoclone Ltd
    Inventors: Bojian Zheng, Shuofeng Yuan, Yi Tsun Richard Kao, Jie Zhou
  • Publication number: 20200261438
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Publication number: 20200069642
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): The present methods include administering to a subject an effective amount of one or more compounds of Formula (I). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 5, 2020
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Patent number: 10471045
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): The present methods include administering to a subject an effective amount of one or more compounds of Formula (I). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Grant
    Filed: July 22, 2018
    Date of Patent: November 12, 2019
    Assignee: The University of Hong Kong
    Inventors: Yi Tsun Richard Kao, Peng Gao, Xuechen Li, Ming Liu
  • Publication number: 20190307729
    Abstract: Compounds, pharmaceutical compositions, and methods for treatment of microbial infections are provided. The compounds can potentiate the therapeutic effects of one or more antimicrobial agents when co-administered. The compounds have antivirulence properties. Pharmaceutical compositions including the compounds and a pharmaceutically acceptable carrier are provided. The pharmaceutical composition can further include at least one antibiotic, such as, Gentamicin, amikacin, kanamycin, neomycin, spectinomycin, neamine or any combination thereof. The compounds and compositions can be used to treat or prevent microbial infections.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 10, 2019
    Applicant: VERSITECH LIMITED
    Inventors: Yi Tsun Richard KAO, Hin Cheung Bill YAM, Peng GAO, Ho Ting IU
  • Publication number: 20190022060
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): The present methods include administering to a subject an effective amount of one or more compounds of Formula (I). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: July 22, 2018
    Publication date: January 24, 2019
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Publication number: 20190022038
    Abstract: Provided herein are compounds, derivatives thereof, composition comprising one or more of said compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (II): The present methods include administering to a subject an effective amount of one or more compounds of Formula (II). In one embodiment, said microbial infections are bacterial infections. More specifically, said bacterial infections are staphylococcal infections.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 24, 2019
    Inventors: Yi Tsun Richard KAO, Peng GAO, Xuechen LI, Ming LIU
  • Patent number: 9642829
    Abstract: Disclosed herein is a novel antifungal compound, derivatives that are used to treat fungal infections. In a specific embodiment, the compound is a small molecule. In a specific embodiment, the compound described herein inhibits yeast to hypha transition under robust hyphal inducing conditions at lower concentration of the molecule. Also disclosed is a composition comprising the antifungal compound. In a specific embodiment, the composition is a pharmaceutical composition. Also disclosed is a method of treating and/or preventing fungal infection using the disclosed compound. The disclosed compound exhibits antifungal activity against wide range of fungal species at slightly higher concentrations. Antifungal compound disclosed herein is used as anti-biofilm agent against fungal infections.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: May 9, 2017
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Chaminda Jayampath Seneviratne, Yi Tsun Richard Kao, Lakshman Perera Samaranayake, Kwok Yung Yuen, Dan Yang, Yu Wang, Sze Wah Sarah Wong
  • Patent number: 9212177
    Abstract: Compounds which exhibit antiviral activity, particularly against influenza virus, and methods of making and using thereof are described herein. In one embodiment, the compounds are heterocyclic amides containing piperazine and isozazole rings and optionally substituted with one or more substituents. The compounds can be formulated with one or more pharmaceutically acceptable excipients to form compositions suitable for enteral or parenteral administration. The compounds are preferably used to treat or prevent Influenza A infections, such as H1N1, H2N2, H3N2, H5N1, H7N7, H1N2, H9N2, H7N2, H7N3, and H10N7.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: December 15, 2015
    Assignee: Versitech Limited
    Inventors: Yi Tsun Richard Kao, Dan Yang, Kwok-Yung Yuen
  • Publication number: 20140155478
    Abstract: Disclosed herein is a novel antifungal compound, derivatives that are used to treat fungal infections. In a specific embodiment, the compound is a small molecule. In a specific embodiment, the compound described herein inhibits yeast to hypha transition under robust hyphal inducing conditions at lower concentration of the molecule. Also disclosed is a composition comprising the antifungal compound. In a specific embodiment, the composition is a pharmaceutical composition. Also disclosed is a method of treating and/or preventing fungal infection using the disclosed compound. The disclosed compound exhibits antifungal activity against wide range of fungal species at slightly higher concentrations. Antifungal compound disclosed herein is used as anti-biofilm agent against fungal infections.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 5, 2014
    Applicant: The University of Hong Kong
    Inventors: Chaminda Jayampath SENEVIRATNE, Yi Tsun Richard KAO, Lakshman Perera SAMARANAYAKE, Kwok Yung YUEN, Dan YANG, Yu WANG, Sze Wah Sarah WONG
  • Publication number: 20120149715
    Abstract: High throughput and virtual screening methods are disclosed that can identify potential anti-viral agents. The virtual screening methods identify agents that interact with a viral nucleoprotein binding site. The high throughput methods identify compounds that inhibit viral infection by binding to viral nucleoprotein. Also disclosed are pharmaceutical formulations useful for treating or preventing viral infections, especially influenza A.
    Type: Application
    Filed: May 31, 2011
    Publication date: June 14, 2012
    Inventors: Yi Tsun Richard Kao, Kwok-Yung Yuen, Dan Yang, Lihong Hu, Guanhua Chen, Bo-Jian Zheng
  • Publication number: 20120142701
    Abstract: Cell-based and cell-free assays are disclosed that detect compounds that promote aggregation of proteins, glycoproteins, and protein-nucleic acid complexes. Also disclosed are pharmaceutical formulations useful for treating or preventing viral infections, bacterial infections, cancer, and diseases involving hyper-proliferative cells.
    Type: Application
    Filed: May 31, 2011
    Publication date: June 7, 2012
    Inventors: Yi Tsun Richard Kao, Kwok-Yung Yuen