Patents by Inventor Changyou Zhou

Changyou Zhou 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: 20240152455
    Abstract: Described are examples for storing data on a storage device, including storing, in a live write stream cache, one or more logical blocks (LBs) corresponding to a data segment, writing, for each LB in the data segment, a cache element of a cache entry that points to the LB in the live write stream cache, where the cache entry includes multiple cache elements corresponding to the multiple LBs of the data segment, writing, for the cache entry, a table entry in a mapping table that points to the cache entry, and when a storage policy is triggered for the cache entry, writing the multiple LBs, pointed to by each cache element of the cache entry, to a stream for storing as contiguous LBs on the storage device, and updating the table entry to point to a physical address of a first LB of the contiguous LBs on the storage device.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 9, 2024
    Inventors: Peng XU, Ping Zhou, Chaohong Hu, Fei Liu, Changyou Xu, Kan Frankie Fan
  • Publication number: 20230167117
    Abstract: An imidazo [2,1-f] [1,2,4] triazin-4-amine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof which are used as a TLR7 agonist in the treatment of cancer are provided. Pharmaceutical compositions comprising the imidazo [2,1-f] [1,2,4] triazin-4-amine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof are also provided.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 1, 2023
    Inventors: Guoliang ZHANG, Jianzhuang MIAO, Changyou ZHOU, Gang CHEN
  • Patent number: 11534431
    Abstract: Disclosed herein is a pharmaceutical combination for use in the prevention, delay of progression or treatment of cancer, wherein the pharmaceutical combination exhibits a synergistic efficacy. The pharmaceutical combination comprises a humanized antagonist monoclonal antibody against PD- and a RAF inhibitor. Also disclosed herein is a combination for use in the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject a therapeutically effective amount of a humanized antagonist monoclonal antibody against PD-1 and a therapeutically effective amount of a RAF inhibitor.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: December 27, 2022
    Assignee: BEIGENE SWITZERLAND GMBH
    Inventors: Jing Song, Lai Wang, Kang Li, Tong Zhang, Lusong Luo, Min Wei, Zhiyu Tang, Guoliang Zhang, Changyou Zhou
  • Patent number: 11472811
    Abstract: Disclosed herein is a pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof useful as an A2A receptor antagonist, and a pharmaceutical composition comprising the same. Also disclosed herein is a method of treating cancer using the pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as an A2A receptor antagonist.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: October 18, 2022
    Assignee: BEIGENE, LTD.
    Inventors: Guoliang Zhang, Changyou Zhou
  • Patent number: 11472788
    Abstract: Disclosed herein are novel benzoimidazoles and pharmaceutical compositions comprising at least one such novel benzoimidazoles, processes for the preparation thereof, and the method for using the same in therapy. In particular, disclosed herein are certain novel benzoimidazoles that are useful for inhibiting indoleamine 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Grant
    Filed: November 24, 2018
    Date of Patent: October 18, 2022
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Yunhang Guo, Zhiwei Wang, Changyou Zhou
  • Publication number: 20220227762
    Abstract: Disclosed herein are amide-substituted imidazo compounds and pharmaceutical compositions comprising at least one such novel benzoimidazoles, processes for the preparation thereof, and the method for using the same in therapy. In particular, disclosed herein are certain amide-substituted imidazo compounds that are useful for inhibiting indoleamine 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Application
    Filed: May 21, 2020
    Publication date: July 21, 2022
    Inventors: Hexiang WANG, Ming QIU, Changyou ZHOU
  • Publication number: 20220119394
    Abstract: Disclosed herein is an imidazo [2, 1-f] [1, 2, 4] triazin-4-amine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof useful as a TLR7 agonist, and a pharmaceutical composition comprising the same. Also disclosed herein is a method of treating cancer using the imidazo [2, 1-f] [1, 2, 4] triazin-4-amine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as TLR7 agonist.
    Type: Application
    Filed: February 6, 2020
    Publication date: April 21, 2022
    Inventors: Guoliang ZHANG, Jianzhuang MIAO, Changyou ZHOU, Gang CHEN, Jing LI
  • Publication number: 20220105033
    Abstract: Disclosed herein is a physically stable solid dispersion comprising Compound 1, i.e., the B-RAF kinase dimer inhibitor 1-((1S, 1aS, 6bS)-5-((7-oxo-5, 6, 7, 8-tetrahydro-1, 8-naphthyridin-4-yl)oxy)-1a,6b-dihydro-1H-cyclopropa [b]benzofuran-1 yl)-3-(2, 4, 5-trifluorophenyl) urea and a specific stabilizing polymer, the method for preparing the same, and the uses of the solid dispersion. Also disclosed herein is the crystalline form of Compound 1.
    Type: Application
    Filed: January 23, 2020
    Publication date: April 7, 2022
    Inventors: Guoliang ZHANG, Changyou ZHOU, Huangbin SUN
  • Patent number: 11202782
    Abstract: Disclosed herein is a method for the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject in need thereof a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with an immune checkpoint inhibitor or a chemotherapeutic agent. Also, disclosed a pharmaceutical combination comprising a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with an immune checkpoint inhibitor, or a chemotherapeutic agent and the use thereof.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 21, 2021
    Assignee: BEIGENE, LTD.
    Inventors: Lai Wang, Zhiyu Tang, Lusong Luo, Min Wei, Kang Li, Jing Song, Tong Zhang, Hexiang Wang, Bo Ren, Changyou Zhou
  • Publication number: 20210300936
    Abstract: Disclosed herein is a pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof useful as A2A receptor antagonist, and a pharmaceutical composition comprising the same. Also disclosed herein is a method of treating cancer using the pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as A2A receptor antagonist.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 30, 2021
    Inventors: Guoliang ZHANG, Hanzi SUN, Changyou ZHOU
  • Publication number: 20210228553
    Abstract: Disclosed herein is a pharmaceutical combination for use in the prevention, delay of progression or treatment of cancer, wherein the pharmaceutical combination exhibits a synergistic efficacy. The pharmaceutical combination comprises a humanized antagonist monoclonal antibody against PD- and a RAF inhibitor. Also disclosed herein is a combination for use in the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject a therapeutically effective amount of a humanized antagonist monoclonal antibody against PD-1 and a therapeutically effective amount of a RAF inhibitor.
    Type: Application
    Filed: November 16, 2020
    Publication date: July 29, 2021
    Inventors: Jing SONG, Lai WANG, Kang LI, Tong ZHANG, Lusong LUO, Min WEI, Zhiyu TANG, Guoliang ZHANG, Changyou ZHOU
  • Publication number: 20210198267
    Abstract: Disclosed herein is a pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof useful as an A2A receptor antagonist, and a pharmaceutical composition comprising the same. Also disclosed herein is a method of treating cancer using the pyrazolotriazolopyrimidine derivative or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof as an A2A receptor antagonist.
    Type: Application
    Filed: April 8, 2019
    Publication date: July 1, 2021
    Inventors: Guoliang ZHANG, Changyou ZHOU
  • Patent number: 10899763
    Abstract: Disclosed herein are salts of (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, and crystalline forms (polymorphs) thereof. Also disclosed herein are methods of preparing those crystalline forms, and methods of using at least one of those crystalline forms in treating a cancer responsive to inhibition of PARP, especially a cancer associated with BRCA1/2 mutant activities or other HR deficiencies, in a subject.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: January 26, 2021
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Xianzhao Kuang, Changyou Zhou
  • Patent number: 10882856
    Abstract: Disclosed herein are 5 or 8-substituted imidazo [1, 5-a] pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo [1, 5-a] pyridines, processes for the preparation thereof and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo [1, 5-a] pyridines that can be useful for inhibiting indoleamine 2, 3-dioxygenase and/or tryptophane 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Grant
    Filed: September 23, 2017
    Date of Patent: January 5, 2021
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Yunhang Guo, Bo Ren, Zhiwei Wang, Guoliang Zhang, Changyou Zhou
  • Patent number: 10864203
    Abstract: Disclosed herein is a pharmaceutical combination for use in the prevention, delay of progression or treatment of cancer, wherein the pharmaceutical combination exhibits a synergistic efficacy. The pharmaceutical combination comprises a humanized antagonist monoclonal antibody against PD- and a RAF inhibitor. Also disclosed herein is a combination for use in the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject a therapeutically effective amount of a humanized antagonist monoclonal antibody against PD-1 and a therapeutically effective amount of a RAF inhibitor.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: December 15, 2020
    Assignee: BEIGENE, LTD.
    Inventors: Jing Song, Lai Wang, Kang Li, Tong Zhang, Lusong Luo, Min Wei, Zhiyu Tang, Guoliang Zhang, Changyou Zhou
  • Publication number: 20200317638
    Abstract: Disclosed herein are novel benzoimidazoles and pharmaceutical compositions comprising at least one such novel benzoimidazoles, processes for the preparation thereof, and the method for using the same in therapy. In particular, disclosed herein are certain novel benzoimidazoles that are useful for inhibiting indoleamine 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Application
    Filed: November 24, 2018
    Publication date: October 8, 2020
    Inventors: Hexiang WANG, Yunhang GUO, Zhiwei WANG, Changyou ZHOU
  • Publication number: 20200157103
    Abstract: Disclosed herein are salts of (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, and crystalline forms (polymorphs) thereof. Also disclosed herein are methods of preparing those crystalline forms, and methods of using at least one of those crystalline forms in treating a cancer responsive to inhibition of PARP, especially a cancer associated with BRCA1/2 mutant activities or other HR deficiencies, in a subject.
    Type: Application
    Filed: February 27, 2018
    Publication date: May 21, 2020
    Inventors: Hexiang WANG, Xianzhao KUANG, Changyou ZHOU
  • Publication number: 20200155567
    Abstract: Disclosed herein is a method for the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject in need thereof a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7, 8, 9, 10, 10a, 11-hexahydro-5, 6, 7a, 11-tetraazacyclohepta [def] cyclopenta [a] fluoren-4 (5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with temozolomide and/or radiation therapy. Also, disclosed a pharmaceutical combination comprising a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7, 8, 9, 10, 10a, 11-hexahydro-5, 6, 7a, 11-tetraazacyclohepta [def] cyclopenta [a] fluoren-4 (5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with temozolomide and the use thereof.
    Type: Application
    Filed: July 17, 2018
    Publication date: May 21, 2020
    Inventors: Lai WANG, Zhiyu TANG, Lusong LUO, Min WEI, Amy PETERSON, Hexiang WANG, Bo REN, Changyou ZHOU
  • Patent number: 10647714
    Abstract: Disclosed herein are 5 or 8-substituted imidazo[1,5-a]pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo[1,5-a]pyridines, processes for the preparation thereof, and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo[1,5-a]pyridines that can be useful for inhibiting indoleamine 2,3-dioxygenase and/or tryptophane 2,3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 12, 2020
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Guoliang Zhang, Yunhang Guo, Bo Ren, Zhiwei Wang, Changyou Zhou
  • Publication number: 20200069666
    Abstract: Disclosed herein is a pharmaceutical combination for use in the prevention, delay of progression or treatment of cancer, wherein the pharmaceutical combination exhibits a synergistic efficacy. The pharmaceutical combination comprises a humanized antagonist monoclonal antibody against PD- and a RAF inhibitor. Also disclosed herein is a combination for use in the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject a therapeutically effective amount of a humanized antagonist monoclonal antibody against PD-1 and a therapeutically effective amount of a RAF inhibitor.
    Type: Application
    Filed: June 14, 2017
    Publication date: March 5, 2020
    Inventors: Jing SONG, Lai WANG, Kang Li, Tong ZHANG, Lusong LUO, Min WEI, Zhiyu TANG, Guoliang ZHANG, Changyou ZHOU