Patents by Inventor Miki Hashizume

Miki Hashizume 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: 20230219970
    Abstract: The present invention relates to the compound of formula (I) wherein R1A, R1B, R1C, and R1D are hydrogen atom, etc., R2A and R2B are hydrogen atom, etc., R3A, R3B, R3C, and R3D are hydrogen atom, etc., L is bond, etc., V is C1-6 alkylene, Q is optionally-substituted imidazole, or a pharmaceutically acceptable salt thereof, as a novel anti-tumor agent that targets CSCs which are thought to be closely involved in the persistent proliferation of malignant tumor, metastasis or recurrence of cancer, and resistance to anti-tumor agents.
    Type: Application
    Filed: March 21, 2023
    Publication date: July 13, 2023
    Applicant: Sumitomo Pharma Co., Ltd.
    Inventors: Hitoshi BAN, Seiji KAMIOKA, Yusuke SAWAYAMA, Miki HASHIZUME
  • Patent number: 11661397
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: May 30, 2023
    Assignee: Sumitomo Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 11639357
    Abstract: The present invention relates to the compound of formula (I) wherein R1A, R1B, R1C, and R1D are hydrogen atom, etc., R2A and R2B are hydrogen atom, etc., R3A, R3B, R3C, and R3D are hydrogen atom, etc., L is bond, etc., V is C1-6 alkylene, Q is optionally-substituted imidazole, or a pharmaceutically acceptable salt thereof, as a novel anti-tumor agent that targets CSCs which are thought to be closely involved in the persistent proliferation of malignant tumor, metastasis or recurrence of cancer, and resistance to anti-tumor agents.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 2, 2023
    Assignee: Sumitomo Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Seiji Kamioka, Yusuke Sawayama, Miki Hashizume
  • Publication number: 20210171440
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: October 16, 2020
    Publication date: June 10, 2021
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Publication number: 20210002290
    Abstract: The present invention relates to the compound of formula (I) wherein R1A, R1B, R1C, and R1D are hydrogen atom, etc., R2A and R2B are hydrogen atom, etc., R3A, R3B, R3C, and R3D are hydrogen atom, etc., L is bond, etc., V is C1-6 alkylene, Q is optionally-substituted imidazole, or a pharmaceutically acceptable salt thereof, as a novel anti-tumor agent that targets CSCs which are thought to be closely involved in the persistent proliferation of malignant tumor, metastasis or recurrence of cancer, and resistance to anti-tumor agents.
    Type: Application
    Filed: July 31, 2020
    Publication date: January 7, 2021
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi BAN, Seiji Kamioka, Yusuke Sawayama, Miki Hashizume
  • Patent number: 10807945
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: October 20, 2020
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 10807993
    Abstract: The present invention relates to the compound of formula (I) wherein R1A, R1B, R1C, and R1D are hydrogen atom, etc., R2A and R2B are hydrogen atom, etc., R3A, R3B, R3C, and R3D are hydrogen atom, etc., L is bond, etc., V is C1-6 alkylene, Q is optionally-substituted imidazole, or a pharmaceutically acceptable salt thereof, as a novel anti-tumor agent that targets CSCs which are thought to be closely involved in the persistent proliferation of malignant tumor, metastasis or recurrence of cancer, and resistance to anti-tumor agents.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: October 20, 2020
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Seiji Kamioka, Yusuke Sawayama, Miki Hashizume
  • Publication number: 20200216461
    Abstract: The present invention relates to the compound of formula (I) wherein R1A, R1B, R1C, and R1D are hydrogen atom, etc., R2A and R2B are hydrogen atom, etc., R3A, R3B, R3C, and R3D are hydrogen atom, etc., L is bond, etc., V is C1-6 alkylene, Q is optionally-substituted imidazole, or a pharmaceutically acceptable salt thereof, as a novel anti-tumor agent that targets CSCs which are thought to be closely involved in the persistent proliferation of malignant tumor, metastasis or recurrence of cancer, and resistance to anti-tumor agents.
    Type: Application
    Filed: March 3, 2020
    Publication date: July 9, 2020
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi BAN, Seiji KAMIOKA, Yusuke SAWAYAMA, Miki HASHIZUME
  • Publication number: 20180230085
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: June 21, 2016
    Publication date: August 16, 2018
    Inventors: Hitoshi Ban, Manabu Watanabe, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Patent number: 9828362
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: November 28, 2017
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume
  • Publication number: 20170166552
    Abstract: The present invention provides a 1,4-disubstituted imidazole derivative of formula (1?) wherein ring Q1 is optionally-substituted C6-10 aryl group, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is optionally-substituted C1-4 alkylene group; W2 is —NR3aC(O)— wherein R3a is hydrogen atom or C1-6 alkyl group, etc.; ring Q2 is 5- to 10-membered heteroaryl group, etc.; W3 is optionally-substituted C1-4 alkylene group, etc.; n is 1, 2, 3, 4, or 5; R4 is independently halogen atom, optionally-substituted C1-6 alkyl group, etc.; R5 is hydroxy group, etc.; and a pharmacologically acceptable salt thereof, which have a potent inhibitory effect on the sphere-forming capacity of cancer cells and are useful as an orally-available anti-tumor agent.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Hitoshi Ban, Manabu Watanabe, Shingo Tojo, Futoshi Hasegawa, Miki Hashizume